Carbon contact strip and pantograph

By introducing a copper second support plate and a protective section design into the carbon slide plate, the problems of easy damage to the carbon slide plate and poor current flow under extreme weather conditions are solved, thus achieving stability and safety in power transmission.

CN223631380UActive Publication Date: 2025-12-05VANGUARD BEIJING TECH DEV
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Patent Information

Application Number
CN202423317837.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-05
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing carbon sliding plates are prone to damage or poor electrical connection under extreme weather conditions, posing a safety hazard.

Method used

A carbon slide plate structure was designed, including a first support plate, a carbon strip, and a copper second support plate. One side of the second support plate is folded upward to form a protective section for scraping ice off the power grid lines. The slide plate is connected by welding and fasteners. By utilizing the conductivity and protective properties of copper, power loss is reduced and service life is extended.

Benefits of technology

It effectively protects the carbon strip, reduces damage from extreme weather, ensures smooth power transmission, extends the service life of the carbon slide plate, and improves safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of railway transportation, and discloses a carbon contact strip and a pantograph, which comprise a first supporting plate, a carbon strip and a second supporting plate. The carbon strip is arranged on the side, away from the train, of the first supporting plate. The second supporting plate is arranged between the first supporting plate and the carbon strip, at least one side of the second supporting plate is folded upwards to form a protection section, the protection section at least wraps the side, facing the train running direction, of the carbon strip, the second supporting plate is made of copper, and the second supporting plate is electrically connected with electric equipment in the train. The carbon slide plate can effectively reduce the damage of extreme conditions to the carbon strip, prolongs the service life of the carbon strip, and ensures the safety of a train during operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to railway transportation technical field, concretely relates to a carbon slide plate and pantograph. BACKGROUND

[0002] Carbon slide plate is a kind of high-strength, high-rigidity sliding material made of carbon fiber and resin and other materials, with excellent wear resistance, high temperature resistance and conductivity.Carbon slide plate is widely used in rail transportation and industrial fields, especially in high-speed railway, subway, light rail and other rail transportation fields, it is installed in the pantograph head, and plays the current collection role in the contact with wire.

[0003] The existing carbon slide plate may be damaged or cause poor current connection when encountering large current load environment, continuous large arc environment, more contact network hard point environment, coastal high salt and high humidity environment, freezing rain and rime weather, and further may cause train operation problems, with great safety hazard. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a carbon slide plate and pantograph to solve the problem that the existing carbon slide plate may be damaged or cause poor current connection in extreme weather.

[0005] In the first aspect, the utility model provides a carbon slide plate, comprising:

[0006] First supporting plate;

[0007] Carbon strip, set up in the side of the first supporting plate away from train;

[0008] Second supporting plate, the second supporting plate is set up between the first supporting plate and the carbon strip, at least one side of the second supporting plate is folded upward to form a protection section, the protection section is at least coated on the side of the carbon strip facing the train running direction, the second supporting plate is made of copper, and the second supporting plate is electrically connected with the electric equipment in the train.

[0009] Beneficial effects: The carbon slide plate comprises a first supporting plate, a carbon strip and a second supporting plate. The carbon strip is used to contact the power grid line to obtain electric energy from the power grid line. The second supporting plate made of copper is arranged between the first supporting plate and the carbon strip. By using the characteristics of the copper material, the second supporting plate and the carbon strip are connected to the power grid line and the electric equipment on the train, so that the connection effect is improved and the loss of electric energy is reduced. At the same time, at least one side of the second supporting plate is upwardly folded to form a protection section. The protection section is wrapped on at least one side of the carbon strip. When the power grid line is frozen due to extreme weather, the protection section first contacts the ice and effectively reduces the possibility of damage to the carbon strip after the ice is removed. The carbon strip is effectively protected, and the contact between the carbon strip and the power grid line is effectively ensured after the ice is removed, so that the smooth delivery of electric energy is ensured. At the same time, the second supporting plate made of copper has a low cost, and the replacement cost is lower when the second supporting plate is damaged. The carbon slide plate can effectively reduce the damage of the carbon strip in extreme conditions, prolong the service life of the carbon strip and ensure the safety of the train operation.

[0010] In an optional embodiment, the height of the top surface of the protection section towards the side of the train running direction is the same as the height of the top surface of the carbon strip.

[0011] Beneficial effects: The height of the top surface of the protection section towards the side of the train running direction is the same as the height of the top surface of the carbon strip, so that the protection section can first contact the ice to ensure the protection of the carbon strip. At the same time, the carbon strip can form a good sliding contact with the power grid line after the ice is removed to ensure the delivery of electric energy.

[0012] In an optional embodiment, the carbon strip and the second supporting plate are connected by welding.

[0013] Beneficial effects: The carbon strip and the second supporting plate are connected by welding, so that the connection strength is high and the electric conductivity between the carbon strip and the second supporting plate is ensured to ensure the delivery of electric energy to the electric equipment of the train.

[0014] In an optional embodiment, the second supporting plate and the first supporting plate are detachably connected by a fastener. The first supporting plate is provided with a plurality of first connecting holes, the second supporting plate is provided with a plurality of second connecting holes, and the fastener is arranged in the first connecting hole and the second connecting hole.

[0015] Beneficial effects: The first supporting plate and the second supporting plate are connected by the fastener, so that the connection is tight and the disassembly is convenient. When the second supporting plate and / or the carbon strip is damaged and needs to be replaced, the second supporting plate and the first supporting plate can be separated by disassembling the fastener, and the first supporting plate and the second supporting plate can be tightly connected by connecting the first connecting hole and the second connecting hole through the fastener, which is simple and fast.

[0016] In an alternative embodiment, the carbon strip is provided with an avoiding groove extending along the length direction of the carbon strip, and the fastener is arranged in the avoiding groove near one end of the carbon strip.

[0017] Beneficial effects: By setting the avoiding groove, the interference between the fastener and the carbon strip can be avoided, and the close connection between the carbon strip and the first supporting plate and the close connection between the first supporting plate and the second supporting plate are ensured.

[0018] In an alternative embodiment, the carbon strip is provided with a first extension section at each end, and the top surface of the first extension section is arranged at an angle to the horizontal direction.

[0019] Beneficial effects: By arranging the first extension section at an angle to the horizontal direction, the area of the carbon slide plate that can be in contact with the power grid line is extended, and the power grid line is prevented from being separated from the carbon slide plate. By arranging the angle, the pressure of the first extension section on the power grid line can be reduced, and damage to the power grid line is avoided. At the same time, the power grid line is facilitated to return to the original position.

[0020] In an alternative embodiment, the angle is in the range of [1°, 5°].

[0021] Beneficial effects: By setting the angle in the range of [1°, 5°], the pressure of the first extension section on the power grid line can be reduced, and damage to the power grid line is avoided. At the same time, the power grid line is facilitated to return to the original position. The angle of the angle is preferably 1°, 2°, 3°, 4°, or 5°.

[0022] In an alternative embodiment, the protection section is provided with a second extension section, and the second extension section covers at least one side of the first extension section.

[0023] Beneficial effects: By arranging the second extension section on the protection section, the first extension section can also be protected, and it is ensured that the ice hanging on the power grid line will not damage the first extension section when the power grid line is in contact with the first extension section, while maintaining the electrical connection between the first extension section and the power grid line. In an alternative embodiment, one side of the second supporting plate is provided with an electrical connector.

[0024] Beneficial effects: By means of the electrical connector, the second supporting plate is connected to the electrical equipment of the train, and the good conductivity of copper is utilized to enhance the conductivity of the carbon slide plate.

[0025] In a second aspect, the utility model also provides a pantograph, which comprises a connecting assembly and the above-mentioned carbon slide plate, and the carbon slide plate is connected to the train through the connecting assembly.

[0026] Beneficial effects: The pantograph prolongs its service life by means of the above-mentioned carbon slide plate, ensures the connection with the power grid line in extreme conditions, ensures the power supply of the train during operation, and ensures the operation safety of the train. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0028] Fig. 1 It is a front view structural exploded view of the carbon slide plate of the embodiment of the present application.

[0029] Fig. 2 It is a structural schematic exploded view of the carbon slide plate of the embodiment of the present application.

[0030] Fig. 3 It is a sectional view of the carbon strip and the second supporting plate of the embodiment of the present application.

[0031] Explanation of reference signs:

[0032] 1, first supporting plate;

[0033] 2, carbon strip; 21, avoiding groove; 22, first extension section;

[0034] 3, second supporting plate; 31, protection section; 32, second extension section; 33, electrical connecting piece;

[0035] 4, fastener. Specific embodiments

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0037] The embodiments of the present application will be described below in combination with Figs. 1 to 3 .

[0038] According to the embodiments of the present application, on the one hand, a carbon slide plate is provided, which comprises a first supporting plate 1, a carbon strip 2 and a second supporting plate 3. The carbon strip 2 is arranged on the side of the first supporting plate 1 away from the train; the second supporting plate 3 is arranged between the first supporting plate 1 and the carbon strip 2, at least one side of the second supporting plate 3 is upwardly folded to form a protection section 31, the protection section 31 at least covers one side of the carbon strip 2 facing the running direction of the train, the second supporting plate 3 is made of copper, and the second supporting plate 3 is electrically connected with the electrical equipment in the train.

[0039] The carbon slide provided by the embodiment comprises a first supporting plate 1, a carbon strip 2 and a second supporting plate 3. The carbon strip 2 is used to contact the power grid line to obtain electric energy from the power grid line. The second supporting plate 3 made of copper is arranged between the first supporting plate 1 and the carbon strip 2. By using the characteristics of the copper material, the power grid line and the electric equipment on the train are connected through the carbon strip 2 and the second supporting plate 3, so that the connection effect can be improved and the loss of electric energy can be reduced. At the same time, at least one side of the second supporting plate 3 is upwardly folded to form a protection section 31. The protection section 31 is wrapped on at least one side of the carbon strip 2. When the power grid line is frozen due to extreme weather, the protection section 31 contacts the ice first and can effectively reduce the possibility of damage to the carbon strip 2 after the ice is removed. The carbon strip 2 is effectively protected, and the contact between the carbon strip 2 and the power grid line can be effectively ensured after the ice is removed, so that the smooth delivery of electric energy is ensured. At the same time, the second supporting plate 3 made of copper has a low cost, and the replacement cost is lower after the second supporting plate 3 is damaged. The carbon slide can effectively reduce the damage of the carbon strip 2 in extreme conditions, prolong the service life of the carbon strip 2 and ensure the safety of train operation.

[0040] It should be noted that the specific materials of the carbon strip 2 and the second supporting plate 3 are not limited here. In the embodiment, the carbon strip 2 is supported by a metal-impregnated carbon strip, and the second supporting plate 3 is made of red copper, so that the conductivity of the carbon slide is ensured.

[0041] In one embodiment, the height of the top surface of the protection section 31 towards the side of the train running direction is the same as the height of the top surface of the carbon strip 2. The height of the top surface of the protection section 31 towards the side of the train running direction is the same as the height of the top surface of the carbon strip 2, so that the protection section 31 can contact the ice first during the train operation, and the carbon strip 2 is protected. At the same time, the carbon strip 2 can form a good sliding contact with the power grid line from which the ice has been removed, so that the delivery of electric energy is ensured.

[0042] In other embodiments, the top surface of the protection section 31 can be slightly lower than the top surface of the carbon strip 2 to avoid damage to the power grid line caused by the protection section 31.

[0043] In one embodiment, the carbon strip 2 and the second supporting plate 3 are connected by welding. The carbon strip 2 and the second supporting plate 3 are connected by welding, so that the connection strength is high, the conductivity between the carbon strip 2 and the second supporting plate 3 is ensured, and the delivery of electric energy to the electric equipment of the train is ensured.

[0044] In one embodiment, the second supporting plate 3 is detachably connected with the first supporting plate 1 through the fastener 4, the first supporting plate 1 is provided with a plurality of first connecting holes, the second supporting plate 3 is provided with a plurality of second connecting holes, and the fastener 4 is arranged in the first connecting hole and the second connecting hole. The first supporting plate 1 is connected with the second supporting plate 3 through the fastener 4, the connection is close, and the disassembly is convenient. When the second supporting plate 3 and / or the carbon strip 2 needs to be replaced due to damage, the second supporting plate 3 can be separated from the first supporting plate 1 only by disassembling the fastener 4, and the first supporting plate 1 and the second supporting plate 3 can be tightly connected only by connecting the first connecting hole and the second connecting hole through the fastener 4, which is simple and fast.

[0045] In one embodiment, the carbon strip 2 is provided with an avoiding groove 21 extending along the length direction of the carbon strip 2, and the fastener 4 is arranged in the avoiding groove 21 close to one end of the carbon strip 2. By arranging the avoiding groove, interference between the fastener 4 and the carbon strip 2 can be avoided, and the close connection between the carbon strip 2 and the first supporting plate 1 and the close connection between the first supporting plate 1 and the second supporting plate 3 can be ensured.

[0046] In one embodiment, the carbon strip 2 is provided with a first extension section 22 at both ends, and the top surface of the first extension section 22 is arranged at an angle with the horizontal direction. By arranging the first extension section 22 at an angle with the horizontal direction, the area of the carbon slide plate that can contact the power grid wire can be extended, the power grid wire can be prevented from being separated from the carbon slide plate, the pressure of the first extension section 22 on the power grid wire can be reduced by arranging the angle, the power grid wire can be prevented from being damaged, and the power grid wire can be conveniently returned to the original position.

[0047] In one embodiment, the angle is in the range of [1°, 5°]. By arranging the angle in the range of [1°, 5°], the pressure of the first extension section 22 on the power grid wire can be reduced, the power grid wire can be prevented from being damaged, and the power grid wire can be conveniently returned to the original position. The angle is preferably 1°, 2°, 3°, 4°, or 5°.

[0048] In one embodiment, the protection section 31 is provided with a second extension section 32, and the second extension section 32 covers at least one side of the first extension section 22. By arranging the second extension section 32 on the protection section 31, the first extension section 22 can also be protected, the first extension section 22 can be prevented from being damaged by ice when the power grid wire contacts the first extension section 22, and the electrical connection between the first extension section 22 and the power grid wire can be maintained.

[0049] In one embodiment, one side of the second supporting plate 3 is provided with an electrical connector 33. The second supporting plate 3 is connected with the electrical equipment of the train through the electrical connector 33, the good conductivity of copper is utilized, and the conductivity of the carbon slide plate is strengthened.

[0050] According to the embodiment of the utility model, on the other hand, a pantograph is also provided, which comprises a connecting assembly and the above-mentioned carbon slide plate, and the carbon slide plate is connected with the train through the connecting assembly.

[0051] The pantograph provided by the embodiment prolongs the service life of the pantograph through the carbon slide plate, guarantees the connection with the power grid line in extreme cases, ensures the power consumption of the train in the running process, and ensures the running safety of the train.

[0052] Although the embodiments of the utility model are described in combination with the drawings, various modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A carbon slide plate characterized by, The utility model relates to a carbon slide plate for train, which comprises: a first supporting plate (1); a carbon strip (2) arranged on the side of the first supporting plate (1) away from the train; a second supporting plate (3) arranged between the first supporting plate (1) and the carbon strip (2), at least one side of the second supporting plate (3) being folded upward to form a protection section (31), the protection section (31) covering at least one side of the carbon strip (2) facing the running direction of the train, the second supporting plate (3) being made of copper and electrically connected with the electrical equipment in the train.

2. The carbon slide plate of claim 1, wherein, The height of the top surface of the protection section (31) on the side facing the running direction of the train is the same as the height of the top surface of the carbon strip (2).

3. The carbon slideboard of claim 1, wherein, The carbon strip (2) and the second supporting plate (3) are connected by welding.

4. The carbon slideboard of claim 3, wherein, The second supporting plate (3) and the first supporting plate (1) are detachably connected by fasteners (4), the first supporting plate (1) is provided with a plurality of first connecting holes, the second supporting plate (3) is provided with a plurality of second connecting holes, and the fasteners (4) are arranged in the first connecting holes and the second connecting holes.

5. The carbon slideboard of claim 4, wherein, The carbon strip (2) is provided with an avoiding groove (21) extending along the length direction of the carbon strip (2), and one end of the fastener (4) close to the carbon strip (2) is arranged in the avoiding groove (21).

6. The carbon slideboard of claim 1, wherein, Both ends of the carbon strip (2) are provided with first extension sections (22), and the top surface of the first extension section (22) is arranged at an angle with the horizontal direction.

7. The carbon slideboard of claim 6, wherein, The angle is in the range of [1°, 5°].

8. The carbon slide plate of claim 6, wherein, The protection section (31) is provided with a second extension section (32) covering at least one side of the first extension section (22).

9. The carbon slideboard of claim 1, wherein, One side of the second supporting plate (3) is provided with an electrical connector (33).

10. A pantograph comprising a connecting assembly and the carbon slide plate according to any one of claims 1-9, characterized in that, The carbon slide plate is connected with the train through the connecting assembly.