CN211592255U

CN211592255U - Carbon slide

Info

Publication number: CN211592255U
Application number: CN201922232640.6U
Authority: CN
Inventors: 潘高; 刘树坤; 郭梦磊
Original assignee: Vanguard Beijing Technology Joint Stock Ltd
Current assignee: Vanguard Beijing Technology Joint Stock Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-29
Anticipated expiration: 2029-12-12

Abstract

A carbon slide, comprising: a bracket; the carbon strip is arranged on the bracket, and a catheter accommodating cavity is arranged on the bracket and/or the carbon strip; the air duct, detachably sets up on the bracket, the air duct includes: the two ends of the first pipe are respectively provided with a connector, and the connectors are suitable for being arranged on the bracket in a penetrating way; the second pipe is arranged on at least one part of the first pipe, the bending property of the second pipe is greater than that of the first pipe, and the problem that the metal pipe is easy to crack due to fatigue vibration under the premise that the carbon sliding plate is not damaged by impact when the existing carbon sliding plate is in a high-frequency vibration state is solved by providing the carbon sliding plate.

Description

Carbon slide

Technical Field

The utility model relates to a rail transit field and electric railway technical field mainly relate to a carbon slide.

Background

The carbon slide board is applied to rail transit rolling stock, such as vehicles such as high-speed railway motor car, electric locomotive, subway, installs on the roof pantograph, contacts with overhead electric wire netting and conduction current supplies the vehicle to use, and the carbon slide board of present wide application mainly includes carbon strip, air flue, metal bracket to bond compound formation wholly through the gluing agent. The carbon strip is breakable, appears damaging in the use easily, lays the air flue in its inside, when making carbon strip and slide whole appear damaging under specific operating mode, and the air flue is damaged gas leakage along with it, triggers the discharge valve of automatic bow device that falls, and the guide pantograph falls automatically, breaks away from the contact net, avoids having the carbon slide of damage to continue to use and arouse more serious accident. Therefore, the air channel is an important part of the carbon slide plate and plays an important role in the use of the carbon slide plate.

At present, a metal pipe is mostly adopted for an air passage, and metal joints are welded at two ends of the metal pipe through brazing; the metal joint is fixedly arranged on the carbon sliding plate metal bracket, and the metal pipe is arranged in the carbon strip and is in a partially suspended state. In the actual use process, the whole carbon sliding plate is in a high-frequency vibration state, and then the suspended metal pipe is driven to vibrate in the high-frequency vibration state, under the condition, fatigue vibration cracking of the metal pipe is easy to occur, and the metal pipe is particularly suitable for high-speed train motor train units with higher running speed and lines with poor contact network cable erection quality. The carbon sliding plate can cause the condition that the air passage cracks and leaks under the premise of not being damaged by collision in the normal operation process, and can cause the train to be late, disturb the line operation order and even have more serious consequences.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is that when the existing carbon sliding plate is in a high-frequency vibration state, the metal tube is easy to crack due to fatigue vibration on the premise that the carbon sliding plate is not damaged by impact; therefore, the utility model provides a carbon slide, include: a bracket; the carbon strip is arranged on the bracket, and a catheter accommodating cavity is arranged on the bracket and/or the carbon strip; the air duct, detachably sets up on the bracket, the air duct includes: the two ends of the first pipe are respectively provided with a connector, and the connectors are suitable for being arranged on the bracket in a penetrating way; a second tube disposed over at least a portion of the first tube, the second tube having a bending property greater than a bending property of the first tube.

The second pipe is close to the connector.

One end of the second pipe is abutted against the connecting head.

The ratio of the length of the second tube to the length of the first tube is: 1/20 to 1/10.

The number of the second pipes is two.

The second tube is connected to the first tube by a connector.

The outer diameter of the second pipe is provided with a first groove, and the connecting piece is suitable for being arranged in the first groove.

And a second groove is formed in the part, corresponding to the first groove, of the first pipe.

The first tube is a metal tube.

The second pipe is a rubber pipe.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a carbon slide, include: a bracket; the carbon strip is arranged on the bracket, and a catheter accommodating cavity is arranged on the bracket and/or the carbon strip; the air duct, detachably sets up on the bracket, the air duct includes: the two ends of the first pipe are respectively provided with a connector, and the connectors are suitable for being arranged on the bracket in a penetrating way; the second pipe sets up on at least some of first pipe, the bending property of second pipe is greater than the bending property of first pipe, current carbon slide in the in-service use, owing to travel along with the high speed of motor car, high-speed railway, carbon slide is whole in high-frequency vibration's state, and then drives unsettled tubular metal resonator and shake under high-frequency vibration's state, under the above-mentioned condition, the tubular metal resonator is very easily appeared tired vibration fracture, especially takes place on the high-speed railway EMUs vehicle that the operating speed is higher and contact the not good circuit of net twine erectting quality. According to the scheme, the second pipe is further arranged on at least one part of the first pipe, when the carbon sliding plate is wholly in a high-frequency vibration state, the first pipe is driven to vibrate in the high-frequency vibration state, and the bending performance of the second pipe is larger than that of the first pipe, so that the vibration of one part of the first pipe can be absorbed, the vibration frequency of the air guide pipe is reduced, the air passage can be effectively prevented from cracking in the normal operation process on the premise that the carbon sliding plate is not damaged by impact, and the equipment cost is reduced.

2. The utility model provides a carbon slide plate, wherein the second pipe is arranged close to the connector; because the first pipe is being close to there is some first pipes to be in unsettled state connector department, so work as the second pipe is close to when the connector, first pipe with the connector links to each other, the second pipe can reduce first pipe is close to the vibration frequency of connector department unsettled part to can prevent effectively that the carbon slide from taking place the fracture at the normal operating in-process air flue under the prerequisite that does not receive the striking damage, reduction equipment cost.

3. The utility model provides a carbon slide plate, one end of the second pipe is propped against the connecting head; one end of the second pipe is abutted against the connecting head, and the other end of the second pipe is connected with the first pipe, so that the bending performance of the second pipe is greater than that of the first pipe, the vibration frequency of the first pipe can be directly reduced, the air channel of the carbon sliding plate can be effectively prevented from cracking under the premise of not being damaged by impact in the normal operation process, and the equipment cost is reduced.

4. The utility model provides a carbon slide, the second pipe passes through the connecting piece to be connected on the first pipe, connect through the connecting piece the second pipe with first pipe makes two pipes inseparabler, prevents to take place to drop.

5. The utility model provides a carbon slide, be provided with first recess on the external diameter of second pipe, the connecting piece is suitable for the setting and is in first recess, through the connecting piece with first recess closely cooperates, prevents the second pipe under the high frequency state with the connecting piece takes place to drop, causes the accident.

6. The utility model provides a carbon slide plate, wherein a second groove is arranged on the first pipe corresponding to the first groove; through the close fit of the first groove and the second groove, in addition to the fixation of the connecting piece, the connection degree of the first pipe and the second pipe can be increased, and the first pipe and/or the second pipe are prevented from being separated under the high-frequency vibration, so that safety accidents are caused.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a carbon slide plate provided by the present invention;

fig. 2 is a schematic view of a connection structure of the first pipe and the second pipe with the metal pipe according to the present invention;

fig. 3 is a schematic cross-sectional view of a carbon slide plate according to the present invention.

Description of reference numerals:

1-a connector; 2-a bracket; 3-a second tube; 4-carbon strips; 5-a first tube; 6-a catheter containment lumen; 9-connecting piece.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a carbon sliding plate, as shown in fig. 1, 2, and 3, including: a bracket 2; and the carbon strip 4 is arranged on the bracket 2, and the bracket 2 and/or the carbon strip 4 are/is provided with a catheter accommodating cavity 6.

In this embodiment, the catheter accommodation chamber is provided on the carrier. In a variant embodiment, the conduit housing chamber 6 may be provided on the carbon strip, or may be provided on the surface of the carrier contacting the carbon strip.

In this embodiment, the air duct is detachably provided on the bracket 2, and the air duct includes: a first pipe 5, in this embodiment, the first pipe 5 is a metal pipe, two ends of the first pipe 5 are respectively provided with a connector 1, and the connectors 1 are adapted to penetrate through the bracket 2; the second pipe 3, in this embodiment the second pipe 3 is the rubber tube, the second pipe 3 sets up in at least a part of first pipe 5 is gone up, the bending property of second pipe 3 is greater than the bending property of first pipe 5, current carbon slide in the in-service use process, owing to travel along with the high speed of motor car, high-speed railway, the whole state that is in high-frequency vibration of carbon slide, and then drive unsettled tubular metal resonator vibrations under high-frequency vibration's state, under the above-mentioned condition, the tubular metal resonator easily appears fatigue vibration fracture, especially takes place on the higher high-speed railway motor train unit vehicle of running speed and the not good circuit of contact network cable erection quality. According to the scheme, the second pipe 3 is further arranged on at least one part of the first pipe 5, when the carbon sliding plate is wholly in a high-frequency vibration state, the first pipe 5 is driven to vibrate in a high-frequency vibration state, and the bending performance of the second pipe 3 is larger than that of the first pipe 5, so that the vibration of one part of the first pipe 5 can be absorbed, the vibration frequency of the air guide pipe is reduced, the air channel of the carbon sliding plate can be effectively prevented from cracking in the normal operation process on the premise that the carbon sliding plate is not damaged by impact, and the equipment cost is reduced.

As shown in fig. 2, the second tubes 3 are disposed close to the connector 1, and the number of the second tubes 3 is two; because the first pipe 5 is in a suspended state when being close to the connector 1, part of the first pipe 5 is in a suspended state, when the second pipe 3 is close to the connector 1, the first pipe 5 is connected with the connector 1, and the second pipe 3 can reduce the vibration frequency of the suspended part of the first pipe 5 close to the connector 1, so that the air passage can be effectively prevented from cracking and the equipment cost can be reduced on the premise that the carbon sliding plate is not damaged by impact in the normal operation process, and in addition, one end of the second pipe 3 can also be directly abutted against the connector 1; one end of the second pipe 3 is abutted against the connector 1, and the other end of the second pipe is connected with the first pipe 5, so that the bending performance of the second pipe 3 is greater than that of the first pipe 5, a part of the vibration of the first pipe 5 can be absorbed, and the vibration frequency of the first pipe 5 is directly reduced, so that the cracking of an air passage under the premise that the carbon sliding plate is not damaged by impact in the normal operation process can be effectively prevented, the equipment cost is reduced, and in addition, the ratio of the length of the second pipe 3 to the length of the first pipe 5 is as follows: 1/20 to 1/10 of a polymer having a structure of,

as shown in fig. 2, the second tube 3 is connected to the first tube 5 through a connecting member 9, and the second tube 3 is connected to the first tube 5 through the connecting member 9, so that the two tubes are more compact and prevented from falling off, wherein a first groove is formed in the outer diameter of the second tube 3, the connecting member 9 is suitable for being arranged in the first groove, and the second tube 3 is prevented from falling off from the connecting member 9 in a high-frequency state and causing an accident by tightly matching the connecting member 9 with the first groove.

Of course, the present invention is not limited to the connecting member 9, and is preferably a tie, and as a modified embodiment, other fastening members such as iron wires may be used as long as both the first pipe 5 and the second pipe 3 can be fastened and connected.

In this embodiment, the second tube and the first tube may adopt the following material combination mode: the first pipe 5 is a metal pipe, and the second pipe 3 is a rubber pipe; the first pipe 5 is a hard ceramic pipe, and the second pipe 3 is a rubber pipe. As long as the bending property of the second tube 3 is greater than that of the first tube 5.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A carbon slide, comprising:

a bracket (2);

the carbon strip (4) is arranged on the bracket (2), and a catheter accommodating cavity (6) is arranged on the bracket (2) and/or the carbon strip (4);

the air duct, detachably sets up on bracket (2), the air duct includes:

the two ends of the first pipe (5) are respectively provided with a connector (1), and the connectors (1) are suitable for being arranged on the bracket (2) in a penetrating mode;

a second tube (3) disposed on at least a portion of the first tube (5), the second tube (3) having a bending property greater than a bending property of the first tube (5).

2. Carbon slide according to claim 1, wherein the second pipe (3) is arranged close to the connection head (1).

3. Carbon slide according to claim 2, wherein one end of the second tube (3) bears against the connection head (1).

4. The carbon slide according to any of the claims 1 to 3, wherein the ratio of the length of the second tube (3) to the length of the first tube (5) is: 1/20 to 1/10.

5. Carbon slide according to claim 4, wherein the number of second tubes (3) is two.

6. Carbon slide according to claim 1 or 2, wherein the second pipe (3) is connected to the first pipe (5) by means of a connection (9).

7. Carbon slide according to claim 6, wherein the second tube (3) is provided with a first groove on its outer diameter, the connection piece (9) being adapted to be arranged in the first groove.

8. The carbon slide according to claim 7, wherein the first tube (5) is provided with a second groove at a location corresponding to the first groove.

9. Carbon slide according to claim 1 or 2, wherein the first tube (5) is a metal tube.

10. The carbon slide of claim 9, wherein the second tube (3) is a rubber tube.