CN214929139U - Non-contact split-phase insulator - Google Patents
Non-contact split-phase insulator Download PDFInfo
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- CN214929139U CN214929139U CN202120958042.1U CN202120958042U CN214929139U CN 214929139 U CN214929139 U CN 214929139U CN 202120958042 U CN202120958042 U CN 202120958042U CN 214929139 U CN214929139 U CN 214929139U
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- insulating rod
- contact
- rod
- insulating
- slideways
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Abstract
A non-contact split-phase insulator comprises two symmetrically arranged mounting seats, wherein an upper insulating rod and a lower insulating rod which are arranged in parallel up and down are fixed between the inner ends of the mounting seats, and a pair of insulating slideways are symmetrically fixed on two sides of the upper insulating rod and the lower insulating rod; a pair of metal slideways are symmetrically fixed on two sides of the mounting seat, the inner ends of the metal slideways extend to the outer sides of the end parts of the insulated slideways to form non-contact continuous connection, and arc extinguishing angles are arranged at the inner ends of the metal slideways; the outer end of the mounting seat is horizontally connected with a contact wire clamp, and the upper end of the mounting seat is horizontally fixed with a cross rod; the bottom surfaces of the insulating slide way and the metal slide way and the bottom of the contact line clamped by the contact line clamp are positioned on the same plane, and the bottom surface of the lower insulating rod is higher than the bottom surface of the insulating slide way. The utility model discloses in order to overcome prior art not enough.
Description
Technical Field
The utility model belongs to the technical field of electronic railway connecting net equipment, concretely relates to non-contact split-phase insulator.
Background
Because U, V, W three-phase alternating current is transmitted by the power grid, but the electrified railway contact network adopts a single-phase alternating current power supply mode, in order to avoid the adverse effect of the single-phase power supply mode on the power grid, the electrified railway contact network needs to carry out phase-changing and alternate power supply by arranging split-phase insulators in a subsection mode so as to ensure the balance among three-phase loads of the power grid U, V, W. The existing split-phase insulator is divided into a contact type split-phase insulator and a non-contact type split-phase insulator, wherein the phenomena that a locomotive pantograph is in contact with a main insulator, a locomotive passes through the locomotive for a long time and at high frequency, and the phenomenon of breakdown and the like caused by carbon deposition on the surface of the main insulator exists; the non-contact split-phase insulator has the defects of small air gap, easy flashover and breakdown in driving in a heavy pollution environment and easy penetration of accumulated carbon in an insulation slideway, and influences the driving safety.
SUMMERY OF THE UTILITY MODEL
The utility model provides a non-contact split-phase insulator to overcome the not enough of prior art.
The utility model adopts the technical proposal that: a non-contact split-phase insulator comprises two symmetrically arranged mounting seats, wherein an upper insulating rod and a lower insulating rod which are arranged in parallel up and down are fixed between the inner ends of the mounting seats, and a pair of insulating slideways are symmetrically fixed on two sides of the upper insulating rod and the lower insulating rod; a pair of metal slideways are symmetrically fixed on two sides of the mounting seat, the inner ends of the metal slideways extend to the outer sides of the end parts of the insulated slideways to form non-contact continuous connection, and arc extinguishing angles are arranged at the inner ends of the metal slideways; the outer end of the mounting seat is horizontally connected with a contact wire clamp, and the upper end of the mounting seat is horizontally fixed with a cross rod; the bottom surfaces of the insulating slide way and the metal slide way and the bottom of the contact line clamped by the contact line clamp are positioned on the same plane, and the bottom surface of the lower insulating rod is higher than the bottom surface of the insulating slide way.
The section of the upper insulating rod is rectangular or oval, and the section of the lower insulating rod is circular; the inner end of the mounting seat is provided with a mounting hole matched with the cross sections of the upper insulating rod and the lower insulating rod, and the two ends of the upper insulating rod and the two ends of the lower insulating rod are respectively mounted in the mounting hole through riveting and gluing.
Grooves are uniformly distributed on the lower end face of the insulating slide way, and an air gap not smaller than 550mm is formed between the inner ends of the metal slide ways on the same side.
The outer end of the mounting seat is provided with a mounting groove, and the inner end of the contact wire clamp is inserted in the mounting groove.
Two ends of the cross rod are respectively connected with the lower ends of the hanging strings through adjusting bolts, the upper ends of the hanging strings are connected with the carrier cables at two ends of the carrier cable insulating rod through sliding hanging string wire clamps, and the carrier cables are connected with the carrier cable insulating rod through terminal anchoring wire clamps.
Compared with the prior art, the utility model discloses beneficial effect who has:
1. the utility model discloses a symmetrical formula structure, low in manufacturing cost, simple to operate, and air gap is not less than 550mm, satisfies the electric split-phase isolation air gap requirement between the different double-phases among the three-phase power supply system, has guaranteed driving safety.
2. The utility model arranges the upper and lower insulating rods in parallel along the vertical direction, and the upper insulating rod adopts a rectangular or elliptical section, thereby improving the bending resistance; and the upper and lower insulating rods and the mounting seat are compounded into a whole by gluing and riveting, so that the structure is safe and reliable, and the circuit installation is convenient.
3. The utility model discloses insulating slide bottom equipartition recess effectively prevents insulating slide carbon deposit and link up, guarantees driving safety.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a front view of the structure of the present invention;
fig. 4 is a schematic structural diagram of the mounting base of the present invention;
fig. 5 is a usage state diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1-5 and the detailed description thereof.
A non-contact split-phase insulator comprises two symmetrically arranged mounting seats 4, wherein an upper insulating rod 1 and a lower insulating rod 2 which are arranged in parallel up and down are fixed between the inner ends of the mounting seats 4, and a pair of insulating slideways 3 are symmetrically fixed on two sides of the upper insulating rod 1 and the lower insulating rod 2; a pair of metal slideways 5 are symmetrically fixed on two sides of the mounting seat 4, the inner ends of the metal slideways 5 extend to the outer sides of the end parts of the insulating slideways 3 to form non-contact continuous connection, and arc extinguishing angles 6 are arranged at the inner ends of the metal slideways 5; the outer end of the mounting seat 4 is horizontally connected with a contact wire clamp 7, and the upper end of the mounting seat 4 is horizontally fixed with a cross rod 8. The bottom surfaces of the insulating slide ways 3 and the metal slide ways 5 and the bottom of the contact wire clamped by the contact wire clamp 7 are positioned on the same plane, and the bottom surface of the lower insulating rod 2 is higher than the bottom surface of the insulating slide ways 3, so that the pantograph is prevented from contacting with the lower insulating rod 2 when passing through.
Two ends of the cross rod 8 are respectively connected with the lower ends of the hanging strings 11 through adjusting bolts, the upper ends of the hanging strings 11 are connected with carrier cables 14 at two ends of a carrier cable insulating rod 13 through sliding hanging string clamps 12, and the carrier cables 14 are connected with the carrier cable insulating rod 13 through terminal anchoring clamps 15.
In one embodiment, the cross section of the upper insulating rod 1 is rectangular or elliptical, and the cross section of the lower insulating rod 2 is circular; the inner end of the mounting seat 4 is provided with a mounting hole 9 matched with the sections of the upper insulating rod 1 and the lower insulating rod 2, and the two ends of the upper insulating rod 1 and the lower insulating rod 2 are respectively mounted in the mounting hole 9 through riveting and gluing. The lower end face of the insulating slide 3 is uniformly provided with grooves, and the grooves are perpendicular to the line direction or have a certain included angle with the line direction. And an air gap of not less than 550mm is formed between the inner ends of the metal slide ways 5 on the same side. The outer end of the mounting seat 4 is provided with a mounting groove 10, and the inner end of the contact wire clamp 7 is inserted in the mounting groove 10.
During the use, will the utility model discloses the series connection installation is three, can realize that electric railway contact net commutation takes turns to the power supply to guarantee the balance between the electric wire netting U, V, W three-phase load.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. A non-contact split-phase insulator, characterized in that: the insulating device comprises two symmetrically arranged mounting seats (4), wherein an upper insulating rod (1) and a lower insulating rod (2) which are arranged in parallel up and down are fixed between the inner ends of the mounting seats (4), and a pair of insulating slideways (3) are symmetrically fixed on two sides of the upper insulating rod (1) and the lower insulating rod (2); a pair of metal slideways (5) are symmetrically fixed on two sides of the mounting seat (4), the inner ends of the metal slideways (5) extend to the outer side of the end part of the insulating slideway (3) to form non-contact continuous connection, and arc extinguishing angles (6) are arranged at the inner ends of the metal slideways (5); the outer end of the mounting seat (4) is horizontally connected with a contact wire clamp (7), and the upper end of the mounting seat (4) is horizontally fixed with a cross rod (8); the bottom surfaces of the insulating slide ways (3) and the metal slide ways (5) and the bottom of the contact wire clamped by the contact wire clamp (7) are positioned on the same plane, and the bottom surface of the lower insulating rod (2) is higher than the bottom surface of the insulating slide ways (3); and an air gap of not less than 550mm is formed between the inner ends of the metal slide ways (5) on the same side.
2. A non-contact split-phase insulator according to claim 1, wherein: the section of the upper insulating rod (1) is rectangular or oval, and the section of the lower insulating rod (2) is circular; the inner end of the mounting seat (4) is provided with a mounting hole (9) matched with the cross sections of the upper insulating rod (1) and the lower insulating rod (2), and the two ends of the upper insulating rod (1) and the lower insulating rod (2) are respectively mounted in the mounting hole (9) through riveting and gluing.
3. A non-contact split-phase insulator according to claim 1 or claim 2, wherein: grooves are uniformly distributed on the lower end face of the insulating slide way (3).
4. A non-contact split-phase insulator according to claim 3, wherein: the outer end of the mounting seat (4) is provided with a mounting groove (10), and the inner end of the contact wire clamp (7) is inserted in the mounting groove (10).
5. A non-contact split-phase insulator according to claim 4, wherein: two ends of the cross rod (8) are respectively connected with the lower ends of the hanging strings (11) through adjusting bolts, the upper ends of the hanging strings (11) are connected with carrier cables (14) at two ends of a carrier cable insulating rod (13) through sliding hanging string clamps (12), and the carrier cables (14) are connected with the carrier cable insulating rod (13) through terminal anchoring clamps (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958042.1U CN214929139U (en) | 2021-05-07 | 2021-05-07 | Non-contact split-phase insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958042.1U CN214929139U (en) | 2021-05-07 | 2021-05-07 | Non-contact split-phase insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214929139U true CN214929139U (en) | 2021-11-30 |
Family
ID=79062632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120958042.1U Active CN214929139U (en) | 2021-05-07 | 2021-05-07 | Non-contact split-phase insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214929139U (en) |
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2021
- 2021-05-07 CN CN202120958042.1U patent/CN214929139U/en active Active
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