CN113799612B - Rigid contact net current collector, pantograph and rail transit vehicle - Google Patents

Rigid contact net current collector, pantograph and rail transit vehicle Download PDF

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Publication number
CN113799612B
CN113799612B CN202111214294.4A CN202111214294A CN113799612B CN 113799612 B CN113799612 B CN 113799612B CN 202111214294 A CN202111214294 A CN 202111214294A CN 113799612 B CN113799612 B CN 113799612B
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CN
China
Prior art keywords
bracket
plate
current collector
sliding plate
carbon strip
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Application number
CN202111214294.4A
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Chinese (zh)
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CN113799612A (en
Inventor
许万涛
武丛
邓超月
王长青
谢立军
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Priority to CN202111214294.4A priority Critical patent/CN113799612B/en
Publication of CN113799612A publication Critical patent/CN113799612A/en
Priority to PCT/CN2022/124067 priority patent/WO2023066043A1/en
Priority to ARP220102816A priority patent/AR127383A1/en
Priority to FR2210650A priority patent/FR3128166A1/en
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Publication of CN113799612B publication Critical patent/CN113799612B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/20—Details of contact bow
    • B60L5/205—Details of contact bow with carbon contact members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/28—Devices for lifting and resetting the collector
    • B60L5/32—Devices for lifting and resetting the collector using fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

The invention provides a rigid contact net current collector, a pantograph and a rail transit vehicle, which comprise a main slide plate carbon strip, an auxiliary slide plate, a spring, a bottom plate, a top plate and a bracket, wherein: the middle part of the bracket is provided with a concave part relative to two ends, and a top plate, a bottom plate and a main sliding plate carbon strip are sequentially arranged in the concave part from bottom to top; the top plate is elastically connected with the middle part of the bracket through a plurality of springs; the convex parts at the two ends of the bracket are in sliding connection with the corresponding ends of the carbon strips of the main sliding plate and serve as auxiliary sliding plate current receiving parts; the bottom of the carbon strip is provided with an automatic bow-lowering system metal gas pipeline. The invention has good current-carrying performance, is particularly suitable for the operation of overhead rigid contact networks, and meets the current-carrying trend of rigid contact networks of rail trains in the urban area.

Description

Rigid contact net current collector, pantograph and rail transit vehicle
Technical Field
The invention belongs to the technical field of rigid contact net current collection, and particularly relates to a rigid contact net current collection device, a pantograph and a rail transit vehicle.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Along with the rapid development of the railway vehicle industry, the current-carrying of an alternating-current rigid contact net is a general trend, and an alternating-current market railway vehicle is different from the design modes of a motor train unit of a flexible contact net and an alternating-current pantograph and a subway of a rigid contact net and a direct-current pantograph, and mostly adopts a bow net matching mode of a rigid-flexible mixed contact net and an alternating-current pantograph, so that the operation characteristics of the railway vehicle are considered at the same time; however, actual running data of the existing urban line show that the bow net spark under the existing contact net (especially the new line) is serious and the bow net vibration is severe.
Disclosure of Invention
In order to solve the problems, the invention provides a rigid contact net current collector, a pantograph and a rail transit vehicle, and the current-carrying and net-following performance is good, so that the current-carrying and net-following device is particularly suitable for running overhead rigid contact nets and meets the current-carrying trend of rigid contact nets of rail trains in the market.
According to some embodiments, the present invention employs the following technical solutions:
the utility model provides a rigidity contact net current collector, includes main slide carbon strip, auxiliary slide, spring, bottom plate, roof and bracket, wherein:
the middle part of the bracket is provided with a concave part relative to two ends, and a top plate, a bottom plate and a main sliding plate carbon strip are sequentially arranged in the concave part from bottom to top;
the top plate is elastically connected with the middle part of the bracket through a plurality of springs;
the convex parts at the two ends of the bracket are in sliding connection with the corresponding ends of the carbon strips of the main sliding plate and serve as auxiliary sliding plate current receiving parts;
the bottom of the carbon strip is provided with an automatic bow-lowering system metal gas pipeline.
Alternatively, the bottom plate is a metal bottom plate.
Alternatively, the bottom plate and the top plate are fixed by bolts.
Alternatively, the top plate, the spring and the bracket are integrally welded.
Alternatively, the bracket is a metal bracket.
As an alternative implementation mode, the side face of the end part of the carbon strip of the main sliding plate is provided with a sliding block protruding outwards, the bottom of the sliding block is connected with the bottom plate, and the inner wall of the end part of the bracket is provided with a sliding groove matched with the sliding block.
And the longitudinal deflection of the carbon strips of the main sliding plate is limited by the connection mode of the sliding groove and the sliding block.
As an alternative embodiment, an ADD air hose is led out from the middle position of the carbon strip of the main sliding plate, a through hole is arranged at the corresponding position of the bracket, and the ADD air hose passes through the bracket downwards through the through hole.
Alternatively, the bottom of the bracket is in the form of an airfoil. Has better streamline shape, small aerodynamic resistance and good current-receiving and net-following performance.
As an alternative implementation mode, the main sliding plate carbon strip is made of metal-immersed materials. The hardness is slightly lower than the contact wire hardness.
A pantograph is provided with the rigid contact net collector device on a pantograph corner.
As an alternative embodiment, the two ends of the bracket are fixedly connected with the bow angle through bolts.
A rail transit vehicle comprising the pantograph or the rigid catenary collector.
Compared with the prior art, the invention has the beneficial effects that:
the novel rigid contact net current collecting device provided by the invention ensures the strength of the carbon strip mounting structure by utilizing the conductive spring, slows down the vibration of the bow net, has good conductivity and ensures reliable drainage from the contact net.
According to the novel rigid contact net current collecting device, the main sliding plate carbon strips and the auxiliary sliding plates are connected in a sliding manner, namely, the front-back offset of the main sliding plate carbon strips caused by hard points or foreign matters in the contact net is restrained, the gap between the main sliding plate carbon strips and the auxiliary sliding plate carbon strips is ensured to be far larger than the outer diameter of the cross section of the contact net wire, the gap is reduced along with the pressure of the net wire, the reliable friction contact of the contact net wire between the main sliding plate and the auxiliary sliding plate can be ensured, and safe current receiving is realized.
According to the novel rigid contact net current collector provided by the invention, the hardness of the carbon strips of the main sliding plate is slightly lower than that of the contact net wires, and stable current receiving between the arch nets is realized on the basis of meeting the abrasion requirement of the arch nets.
The novel rigid contact net current collector is internally provided with the ADD metal gas pipeline, and has an ADD automatic triggering bow lowering function.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a front view of a rigid catenary collector of at least one embodiment of the present disclosure;
FIG. 2 is a top view of a rigid catenary collector of at least one embodiment of the present disclosure;
FIG. 3 is a side view of a rigid catenary collector apparatus according to at least one embodiment of the present disclosure;
the device comprises a main sliding plate, a main sliding plate carbon strip, a spring, a sliding block, a top plate, a bottom plate, an ADD metal air pipe, a bolt, a bracket, a bow angle, a bolt, a bracket, a 10 bow angle, an ADD air pipe, a 11 auxiliary sliding plate and an auxiliary sliding plate.
In the figure: the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustrations are used for illustration only.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular forms also are intended to include the plural forms unless the present invention clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if they mean only the directions of upper, lower, left and right in correspondence with the drawings themselves, are not limiting in structure, but merely serve to facilitate description of the present invention and simplify description, rather than to indicate or imply that the apparatus or elements 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.
The terms "mounted," "connected," "secured," and the like as used herein are to be construed broadly and construed as either fixedly connected, detachably connected, or as a unit, for example; the terms are used herein as specific meanings as understood by those of ordinary skill in the art, and are not limited to the following terms.
As introduced by the background technology, the defects of serious bow net spark and severe bow net vibration exist in the prior art, and in order to solve the technical problems, the invention provides a rigid contact net collector, a pantograph and a rail transit vehicle.
Example 1
In a typical embodiment of the invention, as shown in fig. 1, a rigid contact net current collector comprises a main sliding plate carbon strip 1, an auxiliary sliding plate, a spring 2, a bracket 8 and the like, wherein a metal bottom plate 5 is arranged at the bottom of the main sliding plate carbon strip 1, and the metal bottom plate 5 and a top plate 4 are fixed through bolts 7. A plurality of springs 2 are arranged between the top plate 4 and the bracket 8, one end of each spring 2 is abutted against the top plate 4, and the other end is abutted against the bracket 8.
The two ends of the bracket 8 extend upwards to protrude and are connected with the end parts of the carbon strips 1 of the main sliding plate in a sliding way to form an auxiliary sliding plate.
In this embodiment, the springs 2 are integrally welded to the top plate 4 and the bottom bracket 8, and can be replaced as a whole.
In the present embodiment, the springs 2 are arranged at even intervals along the extending direction of the bracket 8, so that the stress average can be ensured.
In this embodiment, the carbon skateboard (i.e. the main skateboard carbon strip 1, hereinafter referred to as carbon strip) is made of metal impregnated material, and has good electrical and mechanical abrasion performance, simple structural design, light weight, small resistance, and good current-carrying performance, and is particularly suitable for running overhead rigid contact systems, and meets the current-carrying trend of rigid contact systems of rail trains in the market.
The bracket 8 is made of conductive metal, the parts of the two ends of the bracket, which are close to the carbon strips, can be used as auxiliary sliding plates 11 for current receiving, and are fixedly connected with the bow corners 9 through bolts 7, and the parts of the bracket are polished.
An ADD air pipe 10 is led out from the middle of the carbon strip, and penetrates downwards through a hole of the bracket 8 to be connected to the side of the vehicle, and in the embodiment, the hose is made of polytetrafluoroethylene.
The integral body of the rigid contact net current collector provided by the embodiment adopts streamline design, the contact height is gentle, and the flow resistance is small.
As shown in fig. 2, protruding portions, that is, sliding blocks 3 are arranged on the side surfaces of two ends of the carbon strip, the sliding blocks 3 are embedded into sliding grooves formed in the auxiliary sliding plates to form a limiting structure in the vertical direction, and the sliding plates can be prevented from shifting back and forth due to hard points or foreign matters in the contact net.
In this embodiment, the slider 3 is made of metal and is connected to the bottom plate 5 at the bottom of the carbon strip.
The bottom of the bracket 8 adopts an airfoil design, has good streamline, small aerodynamic resistance and good current-carrying and net-following performance.
As shown in fig. 3, the carbon strip is near the bottom, an ADD metal gas pipe 6 is arranged in the carbon strip, and the collector device has an ADD automatic trigger bow-lowering function.
Of course, in other implementations, the materials, shapes and dimensions of the components may be adjusted or changed according to the specific circumstances.
Embodiment two:
a pantograph is provided with a rigid contact net collector device in the first embodiment on a pantograph corner 9, and two ends of a bracket 8 are fixedly connected with the pantograph corner 9 through bolts 7.
Embodiment III:
a rail transit vehicle comprises a pantograph of the second embodiment or a rigid contact net current collector of the first embodiment.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A rigid contact net current collector is characterized in that: including main slide carbon strip, auxiliary slide, spring, bottom plate, roof and bracket, wherein:
the middle part of the bracket is provided with a concave part relative to two ends, and a top plate, a bottom plate and a main sliding plate carbon strip are sequentially arranged in the concave part from bottom to top;
the top plate is elastically connected with the middle part of the bracket through a plurality of springs;
the convex parts at the two ends of the bracket are in sliding connection with the corresponding ends of the carbon strips of the main sliding plate and serve as auxiliary sliding plate current receiving parts;
the side surface of the end part of the main sliding plate carbon strip is provided with a sliding block protruding outwards, the bottom of the sliding block is connected with the bottom plate, the inner wall of the end part of the bracket is provided with a sliding groove matched with the sliding block, the sliding block is embedded into the sliding groove arranged in the auxiliary sliding plate to form a limiting structure in the vertical direction, and the sliding plate is prevented from shifting forwards and backwards due to hard points or foreign matters in the contact net;
the bottom of the carbon strip is provided with an automatic bow-lowering system metal gas pipeline.
2. A rigid catenary current collector according to claim 1, wherein: the bottom plate is a metal bottom plate.
3. A rigid catenary current collector according to claim 1, wherein: the bottom plate and the top plate are fixed through bolts.
4. A rigid catenary current collector according to claim 1, wherein: the top plate, the spring and the bracket are integrally welded.
5. A rigid catenary current collector according to claim 1 or 4, wherein: the bracket is a metal bracket;
or, the bottom of the bracket is in an airfoil shape.
6. A rigid catenary current collector according to claim 1, wherein:
the main sliding plate carbon strip is made of metal-immersed materials.
7. A rigid catenary current collector according to claim 1, wherein: an ADD air hose is led out from the middle position of the carbon strip of the main sliding plate, a through hole is formed in the corresponding position of the bracket, and the ADD air hose passes through the bracket downwards through the through hole.
8. A pantograph, characterized by: a rigid catenary collector device according to any one of claims 1-7 arranged on the bow angle.
9. A pantograph as set forth in claim 8, wherein: the two ends of the bracket are fixedly connected with the bow corners through bolts.
10. A rail transit vehicle, characterized by: a pantograph comprising the device of claim 8 or 9 or the rigid catenary collector of any one of claims 1-7.
CN202111214294.4A 2021-10-19 2021-10-19 Rigid contact net current collector, pantograph and rail transit vehicle Active CN113799612B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202111214294.4A CN113799612B (en) 2021-10-19 2021-10-19 Rigid contact net current collector, pantograph and rail transit vehicle
PCT/CN2022/124067 WO2023066043A1 (en) 2021-10-19 2022-10-09 Rigid catenary current collector, pantograph, and rail transit vehicle
ARP220102816A AR127383A1 (en) 2021-10-19 2022-10-17 RIGID CATENARY, PANTOGRAPH AND RAIL TRANSIT VEHICLE SENSOR DEVICE
FR2210650A FR3128166A1 (en) 2021-10-19 2022-10-17 RIGID CATENARY MANIFOLD DEVICE, PANTOGRAPH AND RAIL TRANSPORT VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111214294.4A CN113799612B (en) 2021-10-19 2021-10-19 Rigid contact net current collector, pantograph and rail transit vehicle

Publications (2)

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CN113799612A CN113799612A (en) 2021-12-17
CN113799612B true CN113799612B (en) 2023-05-23

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CN202111214294.4A Active CN113799612B (en) 2021-10-19 2021-10-19 Rigid contact net current collector, pantograph and rail transit vehicle

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CN (1) CN113799612B (en)
AR (1) AR127383A1 (en)
FR (1) FR3128166A1 (en)
WO (1) WO2023066043A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113799612B (en) * 2021-10-19 2023-05-23 中车青岛四方机车车辆股份有限公司 Rigid contact net current collector, pantograph and rail transit vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5473847B2 (en) * 2010-09-17 2014-04-16 公益財団法人鉄道総合技術研究所 Pantograph hull and pantograph having the same
CN208359935U (en) * 2018-02-11 2019-01-11 北京海冬青机电设备有限公司 A kind of reinforced slide plate of pantograph
CN208035964U (en) * 2018-04-02 2018-11-02 大同新成新材料股份有限公司 A kind of carbon slipper being easily installed
CN113291157B (en) * 2021-05-27 2022-06-14 中车株洲电力机车有限公司 Carbon slide and use its single carbon slide structure bow
CN113799612B (en) * 2021-10-19 2023-05-23 中车青岛四方机车车辆股份有限公司 Rigid contact net current collector, pantograph and rail transit vehicle

Also Published As

Publication number Publication date
CN113799612A (en) 2021-12-17
WO2023066043A1 (en) 2023-04-27
FR3128166A1 (en) 2023-04-21
AR127383A1 (en) 2024-01-17

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