CN219838444U - Pantograph insulation supporting device, pantograph and motor car vehicle - Google Patents

Abstract

The utility model discloses a pantograph insulating and supporting device, a pantograph and a motor car; the pantograph insulation supporting device comprises a plurality of supporting insulators and high-voltage cables, and the high-voltage cables penetrate through at least one supporting insulator. In the process of using the pantograph insulating and supporting device provided by the utility model, a high-voltage cable passes through the supporting insulator to be arranged, so that the supporting insulator has high-voltage conductivity; after the supporting insulator is integrated with the high-voltage cable, the position of the pantograph is more concise, the number of parts exposed outside the vehicle is reduced, the aerodynamic resistance of a pantograph area is reduced, and the aerodynamic performance is optimized; and the high-voltage cable is prevented from being exposed outside, the reliability of the high-voltage cable is improved, and the daily maintenance cost is reduced.

Description

Pantograph insulation supporting device, pantograph and motor car vehicle

Technical Field

The utility model relates to the technical field of high-speed motor trains, in particular to a pantograph insulation supporting device. In addition, the utility model also relates to a pantograph and a motor car comprising the pantograph insulating and supporting device.

Background

Along with continuous high-speed development of economy and increasing progress of technology in China, the modern and high-speed processes of railways in China are accelerated. The real-time speed of the high-speed motor train unit currently operated in China reaches 350km/h, and the high-speed motor train unit becomes the country with the highest operation speed in the world. However, as train speeds increase, there are more and more aerodynamic problems that are exposed.

The pantograph is used as the only part of the top of the train, which is exposed outside, so that the problem of drag reduction design of the pantograph area is increasingly outstanding.

In summary, how to reduce the air resistance at the pantograph is a problem to be solved by those skilled in the art.

Disclosure of Invention

Therefore, the utility model aims to provide the pantograph insulating and supporting device, which is used for arranging the high-voltage cable through the supporting insulator, so that the number of parts exposed outside of the motor car is reduced, and the air resistance at the pantograph is reduced.

Another object of the present utility model is to provide a pantograph and a motor vehicle including the above-described pantograph insulating support device.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a pantograph insulation support device, includes a plurality of support insulators and high voltage cable, just high voltage cable wears to locate wherein at least one support insulator is inside.

Optionally, the number of the supporting insulators is three, and the three supporting insulators are distributed in a triangle shape, and the high-voltage cable is arranged inside the supporting insulators in a penetrating manner at the front part.

Optionally, the support insulator completely surrounds the high-voltage cable located inside the support insulator in the circumferential direction.

Optionally, the cross section of the supporting insulator is elliptical or square.

Optionally, the supporting insulator has a truncated cone-shaped structure with a cross section gradually increasing from top to bottom.

Optionally, the high voltage cable is passed through at a central axis of the support insulator.

Optionally, the supporting insulator is a ceramic supporting insulator or an epoxy resin supporting insulator.

Optionally, the high-voltage cable is provided with a high-voltage interface, and the high-voltage interface is used for being embedded in the vehicle body.

A pantograph comprising a pantograph insulating support as claimed in any one of the preceding claims.

A motor car vehicle comprises the pantograph.

In the process of using the pantograph insulating and supporting device provided by the utility model, a high-voltage cable passes through the supporting insulator to be arranged, so that the supporting insulator has high-voltage conductivity; after the supporting insulator is integrated with the high-voltage cable, the position of the pantograph is more concise, the number of parts exposed outside the vehicle is reduced, the aerodynamic resistance of a pantograph area is reduced, and the aerodynamic performance is optimized; and the high-voltage cable is prevented from being exposed outside, the reliability of the high-voltage cable is improved, and the daily maintenance cost is reduced.

In addition, the utility model also provides a pantograph and a motor car comprising the pantograph insulation support device.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art high voltage cable arrangement;

fig. 2 is a schematic structural view of a pantograph insulating and supporting device provided by the utility model;

FIG. 3 is a side view of the insulated support of the pantograph of FIG. 2;

fig. 4 is a schematic installation diagram of the pantograph insulating and supporting device provided by the utility model on a motor car.

In fig. 1:

01 is a high voltage cable;

in fig. 2-4:

1 is a supporting insulator and 2 is a bottom frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a pantograph insulating support device, which is characterized in that a high-voltage cable is arranged through a support insulator, so that the number of parts exposed outside of a motor car is reduced, and the air resistance at the pantograph is reduced.

The utility model further provides a pantograph and a motor vehicle comprising the pantograph insulating and supporting device.

Please refer to fig. 2-4.

The embodiment discloses insulating strutting arrangement of pantograph, including a plurality of support insulators 1 and high-voltage cable, and high-voltage cable wears to locate inside at least one of them support insulator 1.

The number of the supporting insulators 1 may be one or a plurality, and is specifically determined according to practical situations.

According to the actual size and the number of the high-voltage cables, the high-voltage cables can be only arranged on one of the support insulators 1 in a penetrating way, and two, three or all of the support insulators 1 can be selected to be arranged on the high-voltage cables in a penetrating way, and the high-voltage cables are determined according to the actual situation.

The high-voltage cable is arranged inside the support insulator 1 in a penetrating manner, a corresponding through hole can be formed in the support insulator 1, so that the high-voltage cable can pass through the support insulator, and a corresponding fixing structure and a corresponding sealing structure can be arranged inside the support insulator 1 so as to prevent impurities or water from entering the support insulator 1. Specifically, the sealing structure can be sealant, a sealing ring and the like; the fixing structure can be a fixing clamp, a fixing buckle and the like, and is specifically determined according to actual conditions.

The distribution manner of the supporting insulators 1 on the underframe 2 can be triangular distribution as shown in fig. 2, or can be quadrilateral or circular distribution, and is specifically determined according to practical situations, and details are not described herein.

In the process of using the pantograph insulating and supporting device provided by the embodiment, a high-voltage cable is arranged through the supporting insulator 1, so that the supporting insulator 1 has high-voltage conductivity; after the supporting insulator 1 is integrated with the high-voltage cable, compared with the arrangement mode of the high-voltage cable shown in fig. 1 in the prior art, the position of the pantograph is more concise, the number of parts exposed outside the vehicle is reduced, the aerodynamic resistance of a pantograph area is reduced, and the aerodynamic performance is optimized; and the high-voltage cable is prevented from being exposed outside, the reliability of the high-voltage cable is improved, the daily maintenance of the pantograph area part is reduced, and the daily maintenance cost is reduced.

In another embodiment, as shown in fig. 2, the number of the supporting insulators 1 is three, and the three supporting insulators 1 are distributed in a triangle shape, and the high-voltage cable is arranged inside the supporting insulator 1 at the front part in a penetrating way.

It should be noted that, as shown in fig. 2 and 4, three support insulators 1 are distributed in a triangle, and the support insulator 1 disposed at the front portion refers to the support insulator 1 disposed at the left side of fig. 4, and since the high-voltage cable needs to be threaded into the support insulator 1, in a specific process of disposing, the size of the support insulator 1 may need to be increased appropriately, which is determined according to practical situations.

Preferably, the support insulator 1 wraps the high-voltage cable inside the support insulator completely along the circumferential direction, so that the high-voltage cable inside the support insulator 1 is not exposed in the circumferential direction, the high-voltage cable can be effectively protected, the long-term exposure of the high-voltage cable is avoided, the service life is shortened, and the maintenance cost is effectively reduced.

Further, can make high-voltage cable pass by the central axis department that supports insulator 1 to convenient processing and installation to the protection high-voltage cable of maximum scope avoids high-voltage cable to expose in the outside as far as possible, prolongs high-voltage cable's life.

In a specific embodiment, the cross section of the supporting insulator 1 may be elliptical or square, and of course, according to the actual situation, the supporting insulator 1 may be set to other shapes that meet the requirements, which is determined according to the actual situation.

In order to improve the stability of the support insulator 1, the support insulator 1 may be provided in a truncated cone-like structure with a cross-sectional dimension gradually increasing from top to bottom; of course, the support insulator 1 may be provided in other shapes as required, specifically determined according to the actual situation.

In a specific embodiment, the high voltage cable is provided with a high voltage interface which is embedded in the vehicle body when being installed.

In addition to the above-mentioned pantograph insulating and supporting device, the present utility model further provides a pantograph including the pantograph insulating and supporting device disclosed in the above-mentioned embodiment, and the structure of each other portion of the pantograph is referred to the prior art, and will not be repeated herein.

Specifically, as shown in fig. 2, the pantograph includes a chassis 2 and a supporting insulator 1 disposed at a lower portion of the chassis 2, wherein one supporting insulator 1 is combined with a high-voltage cable, so that the high-voltage cable is inserted into the supporting insulator 1.

In addition to the pantograph, the utility model also provides a motor vehicle comprising the pantograph, and the structures of other parts of the motor vehicle refer to the prior art, and are not repeated herein.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. Any combination of all the embodiments provided in the present utility model is within the protection scope of the present utility model, and will not be described herein.

The pantograph insulating and supporting device, the pantograph and the motor vehicle provided by the utility model are described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The utility model provides a pantograph insulation support device which characterized in that includes a plurality of support insulators (1) and high-voltage cable, just high-voltage cable wears to locate wherein at least one support insulator (1) is inside.

2. The pantograph insulating and supporting device according to claim 1, wherein the number of the supporting insulators (1) is three, and the three supporting insulators (1) are distributed in a triangle shape, and the high-voltage cable is arranged inside the supporting insulators (1) at the front part in a penetrating manner.

3. The pantograph insulating support device according to claim 2, characterized in that the support insulator (1) completely envelopes the high-voltage cable located inside it in the circumferential direction.

4. The pantograph insulating support device according to claim 1, characterized in that the cross section of the support insulator (1) is oval or square.

5. The pantograph insulating support device according to claim 1, characterized in that the support insulator (1) is of a truncated cone-like structure with a cross-sectional dimension gradually increasing from top to bottom.

6. A pantograph insulating support according to any one of claims 1-5, characterized in that the high voltage cable is passed at the central axis of the support insulator (1).

7. The pantograph insulating support device according to claim 6, wherein the support insulator (1) is a ceramic support insulator or an epoxy support insulator.

8. The pantograph insulating support of claim 6, wherein the high voltage cable is provided with a high voltage interface for embedding within a vehicle body.

9. A pantograph comprising a pantograph insulating support according to any one of claims 1 to 8.

10. A motor vehicle comprising the pantograph of claim 9.