CN210174673U

CN210174673U - Sectional insulator for high-altitude electrified circuit contact network

Info

Publication number: CN210174673U
Application number: CN201921095705.0U
Authority: CN
Inventors: Yong Chen; 陈勇; Min Ye; 叶敏; Jianjun You; 尤健军; Haiyang Li; 李海洋; Lina Hu; 胡丽娜
Original assignee: ZHEJIANG WANGLONG RAIL TRANSPORTATION EQUIPMENT CO Ltd
Current assignee: ZHEJIANG WANGLONG RAIL TRANSPORTATION EQUIPMENT CO Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-03-24
Anticipated expiration: 2029-07-12

Abstract

The utility model provides a section insulator for high-altitude electric circuit contact net belongs to track traffic technical field. The sectional insulator solves the problem that the sectional insulator of the existing high-altitude high-pollution electrified railway contact network is unstable in use. This a section insulator for electronic circuit contact net of high altitude, including the insulating rod, this section insulator still includes long guide plate and short guide plate, the length of long guide plate is greater than the length of short guide plate, the both ends of insulating rod all have long guide plate and short guide plate, the tail end of the same long guide plate of end of insulating rod passes through the auxiliary wire clamp with the tail end of short guide plate and is connected, this section insulator is still including fixing terminal fixture and two pairs of fixed bolsters at the insulating rod tip, every pair of fixed bolsters all sets up the tip at the insulating rod. The sectional insulator for the high-altitude electrified circuit contact network can ensure the use reliability of the sectional insulator in the high-altitude environment.

Description

Sectional insulator for high-altitude electrified circuit contact network

Technical Field

The utility model belongs to the technical field of the rail transit, especially a section insulator for high altitude electric circuit contact net.

Background

With the continuous development of science and technology, people use rail transit more and more, and some areas that present rail transit was walked through are high-altitude areas, therefore have higher requirement to the performance of each part of rail transit.

The existing rail transit is provided with a rigid suspension contact system, an insulating rod is arranged on the contact system, a guide plate with the same length is arranged on the insulating rod, a pantograph is arranged on an electric car or a subway at the moment, and the pantograph slides along the guide plate.

But when trolley-bus or subway were in the operation in high altitude area, because the air in high altitude area is thin, air pressure reduces for its breakdown voltage also descends, in order to guarantee enough resistant breakdown capability when plateau environment uses, had led to increasing the electric clearance, thereby increased the distance between long guide plate and the short guide plate, make the pantograph can produce when the operation and rock, lead to the pantograph can not smooth-going pass through, when using, the transmission of electric current is unstable yet.

The sectional insulator that is used for high altitude electric circuit contact net is equipped with on the insulating rod to current design, a sectional insulator for high altitude electric circuit contact net is a straight-bar, the both ends of straight-bar are connected with the guide plate of two relative settings respectively, can guarantee guide plate and pantograph steady contact when normal area moves, but when high altitude district moves, the electric power clearance is longer, caused the contact with the guide plate that the pantograph can not be stable, thereby the reliability that the sectional insulator that is used for high altitude electric circuit contact net uses under high altitude district has been reduced.

Disclosure of Invention

The utility model aims at having above-mentioned problem to current technique, provided a segmentation insulator for high altitude electric circuit contact net, the utility model aims to solve the technical problem that: how to ensure the reliability of the use of the sectional insulator in a high-altitude environment.

The purpose of the utility model can be realized by the following technical proposal:

the sectional insulator is characterized by further comprising a long guide plate and a short guide plate, wherein the length of the long guide plate is greater than that of the short guide plate, the long guide plate and the short guide plate are arranged at the two ends of the insulating rod, the tail end of the long guide plate at the same end of the insulating rod is connected with the tail end of the short guide plate through an auxiliary wire clamp, the sectional insulator further comprises a terminal clamp and two pairs of fixing supports, the terminal clamp is fixed to the end portion of the insulating rod, each pair of fixing supports are arranged at the end portion of the insulating rod, the front end of one fixing support of each pair of fixing supports is fixedly connected with the long guide plate at the end, the front end of the other fixing support of each pair of fixing supports is fixedly connected with the short guide plate at the end, and the middle portions of the two fixing supports are fixedly connected with the terminal clamp.

In this case, both ends of the insulating rod are provided with a long guide plate and a short guide plate.

The working principle is as follows: through being provided with the longer long guide plate of length and the short guide plate of length, the one end of will long guide plate and short guide plate is fixed through the auxiliary wire clamp, and still be equipped with two fixed bolsters on the insulating rod, two fixed bolsters pass through terminal anchor clamps fixed connection, one of them fixed bolster can link firmly with long guide plate, another fixed bolster can link firmly with short guide plate, through the setting that is provided with two fixed bolsters and auxiliary wire clamp, make the connection of long guide plate and short guide plate more stable, guaranteed under high altitude environment, long guide plate or short guide plate can be stable with the contact of pantograph, and through setting up long guide plate and short guide plate that differ in length, make the contact ability of pantograph with long guide plate or short guide plate more stable, thereby guaranteed under the high altitude environment reliability that section insulator used.

In the sectional insulator for the high-altitude electrified circuit contact network, the outer end of the long flow guide plate is provided with the first horizontal part, the outer end of the short flow guide plate is provided with the second horizontal part, and the lower surface of the first horizontal part and the lower surface of the second horizontal part are flush with the lower surface of the insulating rod.

The setting of this structure for the pantograph can receive the guide effect of insulating rod at the removal in-process, thereby the pantograph can be stable remove along the insulating rod, further improvement the stability that the pantograph is connected with long guide plate or short guide plate.

In the sectional insulator for the high-altitude electrified circuit contact network, the sectional insulator further comprises a main wire clamp, and the tail ends of the two fixing supports are connected through the main wire clamp.

The setting of this structure for the setting of fixed bolster is more stable, further improvement the stability of segmentation insulator.

In the sectional insulator for the high-altitude electrified circuit contact network, the fixed support is provided with a horizontal part three, an inclined part I, a horizontal part four, an inclined part II and a horizontal part five which are sequentially connected from the outer end to the tail end, the inclined part I and the inclined part II are both inclined downwards, the horizontal part three is fixedly connected with the horizontal part I or the horizontal part II, the horizontal part four is fixedly connected with the terminal clamp, and the horizontal part five is fixedly connected with the main wire clamp.

The fixed bolster adopts the form setting that the multistage was buckled for the horizontal required mounting area of fixed bolster is less, also makes simultaneously that the fixed bolster can be stable be connected with terminal fixture and thread clamp, and further improvement is used for the stability of the section insulator of high altitude electric circuit contact net.

In the sectional insulator for the high-altitude electrified circuit contact network, the length of the connection between the horizontal part three and the horizontal part one is longer than that of the connection between the horizontal part three and the horizontal part two.

The structure is arranged, so that the supporting force of the fixing support on the long guide plate or the short guide plate is stronger, the long guide plate or the short guide plate is prevented from shaking in the operation process, and the stability of the sectional insulator is improved.

Compared with the prior art, this a section insulator for electrified circuit contact net of high altitude has the advantage: through being provided with length guide plate and short guide plate different in size for the contact ability of pantograph and length guide plate or short guide plate is more stable, thereby has guaranteed the reliability that the section insulator used under the high height above sea level environment.

Drawings

Fig. 1 is a top view of the sectional insulator for a high altitude electrified circuit catenary.

In the figure, 1, an insulating rod; 2. a long baffle; 21. the horizontal part I; 3. a short flow guide plate; 31. a second horizontal part; 4. an auxiliary wire clamp; 5. fixing a bracket; 51. a horizontal part III; 52. a first inclined part; 53. a horizontal part IV; 54. a second inclined part; 55. a horizontal part V; 6. a terminal fixture; 7. main fastener.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the sectional insulator for the overhead line system of the high-altitude electrified circuit comprises an insulating rod 1, and further comprises a long guide plate 2 and a short guide plate 3.

Specifically, as shown in fig. 1, the length of the long guide plate 2 is greater than that of the short guide plate 3, the long guide plate 2 and the short guide plate 3 are respectively disposed at two ends of the insulating rod 1, the tail end of the long guide plate 2 at the same end of the insulating rod is connected to the tail end of the short guide plate 3 through the auxiliary clamp 4, the sectional insulator further includes a terminal clamp 6 and two pairs of fixing brackets 5, each pair of fixing brackets 2 is disposed at the end of the insulating rod 1, the front end of one fixing bracket 5 of each pair of fixing brackets 5 is fixedly connected to the long guide plate 2 at the end, the front end of the other fixing bracket 5 of each pair of fixing brackets 5 is fixedly connected to the short guide plate 3 at the end, and the middle portions of the two fixing brackets 5 are fixedly connected to the terminal clamp 6.

In the scheme, two ends of the insulating rod 1 are respectively provided with a long guide plate 2 and a short guide plate 3.

The working principle is as follows: one end of the long guide plate 2 and one end of the short guide plate 3 are fixed through the auxiliary wire clamps 4 by arranging the long guide plate 2 with longer length and the short guide plate 3 with shorter length, the insulating rod 1 is also provided with two fixed brackets 5, the two fixed brackets 5 are fixedly connected through a terminal clamp 6, one of the fixed brackets 5 can be fixedly connected with the long guide plate 2, the other fixed bracket 5 can be fixedly connected with the short guide plate 3, the arrangement of the two fixing brackets 5 and the auxiliary wire clamps 4 ensures that the connection between the long guide plate 2 and the short guide plate 3 is more stable, ensures that the long guide plate 2 or the short guide plate 3 can be stably contacted with the pantograph in a high-altitude environment, and through setting up long guide plate 2 and short guide plate 3 that differ in size for the contact of pantograph and long guide plate 2 or short guide plate 3 can be more stable, thereby has guaranteed the reliability that the section insulator used under the high height above sea level environment.

The outer end of the long flow guide plate 2 is provided with a first horizontal part 21, the outer end of the short flow guide plate 3 is provided with a second horizontal part 22, and the lower surface of the first horizontal part 21 and the lower surface of the second horizontal part 22 are flush with the lower surface of the insulating rod 1.

The sectional insulator also comprises a main wire clamp 7, and the tail ends of the two fixing supports 5 are connected through the main wire clamp 7.

The fixing support 5 is provided with a horizontal part three 51, an inclined part one 52, a horizontal part four 53, an inclined part two 54 and a horizontal part five 55 which are sequentially connected from the outer end to the tail end, wherein the inclined part one 52 and the inclined part two 54 are obliquely arranged downwards, the horizontal part three 51 is fixedly connected with the horizontal part one 21 or the horizontal part two 22, the horizontal part four 53 is fixedly connected with the terminal clamp 6, and the horizontal part five 55 is fixedly connected with the main wire clamp 7.

The length of the connection between the third horizontal part 51 and the first horizontal part 21 is longer than the length of the connection between the third horizontal part 51 and the second horizontal part 22.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A sectional insulator for an electrified circuit contact net at high altitude comprises an insulating rod (1) and is characterized by further comprising a long guide plate (2) and a short guide plate (3), wherein the length of the long guide plate (2) is larger than that of the short guide plate (3), the two ends of the insulating rod (1) are respectively provided with the long guide plate (2) and the short guide plate (3), the tail end of the long guide plate (2) at the same end of the insulating rod (1) is connected with the tail end of the short guide plate (3) through an auxiliary wire clamp (4), the sectional insulator further comprises a terminal clamp (6) fixed at the end part of the insulating rod (1) and two pairs of fixing supports (5), each pair of fixing supports (5) is arranged at the end part of the insulating rod (1), the front end of one fixing support (5) of each pair of fixing supports (5) is fixedly connected with the long guide plate (2), the front end of the other fixing support (5) of each pair of fixing supports (5) is fixedly connected with the short flow guide plate (3), and the middle parts of the two fixing supports (5) are fixedly connected with the terminal clamp (6).

2. The sectionalized insulator for a high-altitude electrified circuit contact network is characterized in that the outer end of the long deflector (2) is provided with a first horizontal part (21), the outer end of the short deflector (3) is provided with a second horizontal part (22), and the lower surface of the first horizontal part (21) and the lower surface of the second horizontal part (22) are flush with the lower surface of the insulating rod (1).

3. The sectionalizing insulator for a high-altitude electrified circuit contact network according to claim 2, characterized in that the sectionalizing insulator further comprises a main wire clamp (7), and the tail ends of the two fixing brackets (5) are connected through the main wire clamp (7).

4. The section insulator for the high-altitude electrified circuit contact network according to claim 3, characterized in that the fixed support (5) is provided with a third horizontal part (51), a first inclined part (52), a fourth horizontal part (53), a second inclined part (54) and a fifth horizontal part (55), which are sequentially connected from the outer end to the tail end, the first inclined part (52) and the second inclined part (54) are both arranged in a downward inclination manner, the third horizontal part (51) is fixedly connected with the first horizontal part (21) or the second horizontal part (22), the fourth horizontal part (53) is fixedly connected with the terminal clamp (6), and the fifth horizontal part (55) is fixedly connected with the main clamp (7).

5. The sectionalizing insulator for a high-altitude electrified circuit contact network according to claim 4, wherein the length of the connection between the third horizontal part (51) and the first horizontal part (21) is longer than the length of the connection between the third horizontal part (51) and the second horizontal part (22).