CN115476694A - Pantograph and vehicle system - Google Patents

Pantograph and vehicle system Download PDF

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Publication number
CN115476694A
CN115476694A CN202211190858.XA CN202211190858A CN115476694A CN 115476694 A CN115476694 A CN 115476694A CN 202211190858 A CN202211190858 A CN 202211190858A CN 115476694 A CN115476694 A CN 115476694A
Authority
CN
China
Prior art keywords
pull rod
pantograph
end ring
assembly
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211190858.XA
Other languages
Chinese (zh)
Inventor
王喜亮
吴彩秀
龚文平
张艳芳
蒋聪健
孙善峰
庄舜雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Zhuzhou Locomotive Co Ltd
Original Assignee
CRRC Zhuzhou Locomotive Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRRC Zhuzhou Locomotive Co Ltd filed Critical CRRC Zhuzhou Locomotive Co Ltd
Priority to CN202211190858.XA priority Critical patent/CN115476694A/en
Publication of CN115476694A publication Critical patent/CN115476694A/en
Priority to PCT/CN2023/100143 priority patent/WO2024066484A1/en
Pending legal-status Critical Current

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Classifications

    • 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

Abstract

The invention discloses a pantograph and a vehicle system, wherein the pantograph comprises a pull rod assembly; the pull rod assembly comprises a pull rod assembly welding and an end ring assembly welding positioned at the end part of the pull rod assembly welding; the end ring assembly welding is characterized by comprising an end ring with a screw rod and a thread seat which is connected with the screw rod in a sliding way; the pull rod assembly welding comprises a pull rod, a limiting seat fixed with the end part of the pull rod and a sleeve nested with the outer ring of the limiting seat; the screw rod is connected with the pull rod through threads, and the threaded seat is connected with the sleeve through threads. The invention also discloses a vehicle system comprising the pantograph. According to the pantograph, the end ring assembly welding and the pull rod assembly welding are fixedly connected through the two groups of threads, so that the protection pull rod can be supported when the end ring is broken, and the pantograph is protected.

Description

Pantograph and vehicle system
Technical Field
The invention relates to the technical field of rail transit, in particular to a pantograph. Furthermore, the invention also relates to a vehicle system comprising the pantograph.
Background
The pantograph is a key part of the rail transit rolling stock, can contact with an overhead contact system and take current, and ensures the safe operation of the rolling stock.
The current pantograph structure commonly used is a four-bar mechanism, and the four-bar mechanism has a simple structure and is convenient to manufacture. The draw bar is a key part of the pantograph and can draw up the upper frame with the pantograph head to reach a certain pantograph lifting height. The tie rods are usually made of stainless steel tubes and end rings with bearings at both ends. When the pantograph receives the contact net when assaulting unusually, the end ring condition of splitting appears easily, can lead to going up the frame assembly around the rotation of underarm pole and contact with the contact net, destroys the contact net, influences traffic safety.
In summary, an urgent need exists in the art to provide a stable pantograph.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a pantograph including a drawbar assembly with an anti-slip device, the anti-slip device forming the drawbar by connecting and fixing the end ring assembly welding and the screw assembly welding, and when the drawbar is broken, the anti-slip device can pull both ends of the drawbar, thereby protecting the pantograph drawbar.
Another object of the present invention is to provide a vehicle system including the pantograph described above.
In order to achieve the above purpose, the invention provides the following technical scheme:
a pantograph comprising a drawbar assembly; the pull rod assembly comprises a pull rod assembly welding part and an end ring assembly welding part positioned at the end part of the pull rod assembly welding part; the end ring assembly welding comprises an end ring with a screw rod and a thread seat which is connected with the screw rod in a sliding way; the pull rod assembly welding comprises a pull rod, a limiting seat fixed with the end part of the pull rod and a sleeve nested with the outer ring of the limiting seat; the screw rod is connected with the pull rod through threads, and the threaded seat is connected with the sleeve through threads.
Preferably, the screw rod is in threaded connection with an inner hole of the pull rod, and the threaded seat is in threaded connection with an inner hole of the sleeve.
Preferably, the pull rod assembly further comprises a nut for fixing the screw rod and the pull rod and a limit screw for fixing the threaded seat and the sleeve.
Preferably, the sleeve and the limiting seat are both provided with through holes matched with the limiting screws in the radial direction.
Preferably, both ends of the pull rod assembly welding are provided with end ring assembly welding, and the two groups of end ring assembly welding are symmetrically arranged relative to the perpendicular bisector of the pull rod assembly welding.
Preferably, the end ring assembly welding further comprises a U-shaped plate welded with the threaded seat, and the U-shaped plate and the threaded seat are matched and cover the periphery of the circular ring of the end ring.
Preferably, the spacing between the U-shaped plate and the end rings is greater than 2mm.
Preferably, the pantograph further comprises a stress sensor attached to a surface of the U-shaped plate.
Preferably, the pantograph further comprises an alarm device and a controller, the stress sensor is connected with the controller, and the controller is connected with the alarm device.
The invention also provides a vehicle system comprising the pantograph described in any one of the above.
The pantograph provided by the invention comprises a pull rod assembly with an anti-falling device, wherein an end ring assembly welding and a screw rod assembly welding are fixedly connected through two groups of threads to form the anti-falling device of the pull rod, the screw rod is in threaded connection with the pull rod, and a threaded seat is in threaded connection with a sleeve. In the use, when the end ring broke, the screw thread seat still with sleeve fixed connection, can support and fixed pull rod to the realization is to the pantograph and protection.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a pantograph according to the present invention;
FIG. 2 is a schematic structural view of a drawbar assembly according to the present invention;
FIG. 3 is a cross-sectional view of a drawbar assembly provided in the present invention;
FIG. 4 is a schematic structural view of an end ring assembly weld provided by the present invention;
FIG. 5 is a cross-sectional view of an end ring tack weld provided by the present invention;
FIG. 6 is a schematic structural view of a tie bar assembly weld provided by the present invention;
fig. 7 is a cross-sectional view of a tie rod assembly weld provided by the present invention.
Wherein:
the device comprises a pull rod assembly 1, an underframe assembly 2, a bow 3, a lower arm rod assembly 4 and an upper frame assembly 5;
the method comprises the following steps of (1) end ring assembly welding 11, pull rod assembly welding 12, self-aligning ball bearing 13, gasket 14, nut 15, limiting gasket 16, limiting screw 17 and sensor 18;
the end ring 111, the threaded seat 112, the U-shaped plate 113, the pull rod 121, the limiting seat 122, the sleeve 123 and the screw 1111.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a pantograph which comprises a pull rod assembly 1 with an anti-drop device, wherein the anti-drop device of a pull rod 121 is formed by connecting and fixing an end ring assembly welding 11 and a screw rod assembly welding 12, and when a pull ring is broken, the anti-drop device can pull two ends of the pull rod 121, so that the protection of the pull rod 121 of the pantograph is realized. Another core of the present invention is to provide a vehicle system including the pantograph described above.
The pantograph provided by the invention mainly comprises a pull rod assembly 1, and further comprises an underframe assembly 2, a pantograph head 3, a lower arm rod assembly 4 and an upper frame assembly 5. Wherein, the pull rod assembly 1 is a main structure and is used for connecting the underframe assembly 2 and the upper frame assembly 5.
Referring to fig. 1, fig. 1 is a schematic view of a pantograph structure. In the actual working process, one end of the pull rod assembly 1 is fixed on the chassis assembly 2, the other end of the pull rod assembly 1 is fixed on the upper frame assembly 5, and when the pantograph is lifted, the pull rod assembly 1 is fixedly connected with the chassis assembly 2 and the upper frame assembly 5 to pull up the upper frame assembly 5 with the pantograph head 3. The pull rod assembly 1 is fixed to the underframe assembly 2 and the upper frame assembly 5 by means of a through bolt.
Optionally, in different implementation manners, the underframe assembly 2, the bow 3, the lower arm assembly 4, and the upper frame assembly 5 may also be of other structures, and correspondingly, the portions of the tie rod assembly 1 that need to be correspondingly connected are fixedly connected.
The pull rod assembly 1 comprises a pull rod assembly welding 12 and an end ring assembly welding 11 positioned at the end part of the pull rod assembly welding 12; the end ring assembly welding 11 comprises an end ring 111 with a screw 1111 and a thread seat 112 connected with the screw 1111 in a sliding way; the pull rod assembly welding 12 comprises a pull rod 121, a limiting seat 122 fixed with the end part of the pull rod 121, and a sleeve 123 nested with the outer ring of the limiting seat 122; the screw 1111 is connected with the pull rod 121 in a threaded manner, and the threaded seat 112 is connected with the sleeve 123 in a threaded manner.
In the present embodiment, the tie rod assembly 1 includes an end ring assembly weld 11 and a tie rod assembly weld 12, wherein the end ring assembly weld 11 is provided at an end of the tie rod assembly weld 12. The end ring assembly welds 11 may have one set attached to the ends of the tie bar assembly welds 12 or two sets attached to the ends of the tie bar assembly welds 12.
Optionally, two ends of the pull rod assembly 1 are further connected with self-aligning ball bearings 13 for connecting the upper frame assembly 5 and the underframe assembly 2.
The end ring 111 is a circular ring structure and has a screw 1111 at the outer side along the axial extending direction, the screw seat 112 is slidably connected with the screw 1111, that is, the screw 1111 passes through the through hole of the screw seat 112 and can move to adapt to the installation process, as shown in fig. 4.
The end of the pull rod 121 is fixedly connected to a limiting seat 122, and the pull rod 121 is of a common rod structure, that is, the limiting seat 122 is fixedly connected to the peripheral edge of the pull rod 121. The movement of the sleeve 123 relative to the pull rod 121 can be restricted by setting the stopper seat 122. Optionally, the fixed connection may be welding or other fixing methods.
The sleeve 123 is nested on the outer ring of the limiting seat 122, the sleeve 123 and the limiting seat 122 can be in a clamping connection relationship, the sleeve 123 is directly installed at two ends of the pull rod 121 in advance, and then the limiting seat 122 is fixed. The fixing manner of the limiting seat 122 and the pull rod 121 may be welding. In this way, the sleeve 123 can slide along only one side of the limiting seat 122, and the sleeve 123 is limited from sliding down from the two ends of the pull rod 121, as shown in fig. 5. The rear end of the limiting seat 122 is provided with a protrusion which can be clamped into the inner wall of the sleeve 123, so that the sleeve 123 is limited from sliding down to the outer side of the pull rod 121.
Referring to fig. 2 and 3, the screw 1111 of the end ring 111 is threadedly coupled to the pull rod 121, and the screw base 112 is threadedly coupled to the sleeve 123. That is, the end ring assembly welding 11 and the pull rod assembly welding 12 are fixedly connected by two sets of threads, so that even if the end ring 111 is broken, the threaded seat 112 at the outer end of the end ring 111 is still fixedly connected with the sleeve 123, and the pull rod 121 is supported and fixed, thereby maintaining the stability of the whole pantograph.
The pantograph fixedly connects the end ring assembly welding 11 and the pull rod assembly welding 12 through two sets of threads, when the end ring 111 is broken, the thread seat 112 at the outer end of the end ring 111 can still be fixedly connected with the sleeve 123, and two ends of the pull rod 121 can be supported under the fixation of the sleeve 123, so that the pull rod 121 is prevented from falling off due to the breakage of the end ring 111, and danger is prevented.
On the basis of the above embodiment, the screw 1111 of the end ring 111 is screwed with the inner hole of the pull rod 121, that is, the screw 1111 of the end ring 111 has an external thread, and the screw 1111 is inserted into the inner hole of the pull rod 121 to be matched and fixedly connected with the internal thread of the pull rod 121. The threaded seat 112 is threadedly coupled to the inner bore of the sleeve 123, that is, the threaded seat 112 is provided with an external thread which can be screwed into the inner bore of the sleeve 123 to be fixedly coupled thereto.
Alternatively, the base of the threaded seat 112 sleeved with the end ring 111 may be a square bottom plate with holes, or may be a bottom plate with holes of other shapes.
Optionally, the distance that the threaded seat 112 is screwed into the inner hole of the sleeve 123 may be determined according to actual conditions, and it is sufficient to ensure a stable connection.
Alternatively, a thread may be provided on the outer side of the sleeve 123 to be in threaded connection with the inner hole of the threaded seat 112, so that two sets of threaded connections can be formed between the end ring assembly welding 11 and the screw assembly welding 12.
On the basis of any of the above embodiments, the pull rod assembly 1 further includes a nut 15 for fixing the screw 1111 and the pull rod 121, and a limit screw 17 for fixing the threaded seat 112 and the sleeve 123. After the screw 1111 of the end ring 111 is screwed and fixed to the tie rod 121, the nut 15 is screwed to the screw 1111 of the end ring 111 on both sides of the tie rod 121, thereby limiting the length of the tie rod 121 and also limiting the movement of the end ring 111 and the tie rod 121.
Preferably, the nut 15 is a hexagonal nut, but not limited to a hexagonal nut, and can be firmly connected.
Furthermore, a washer 14 should be provided to distribute the pressure of the nut 15 against the tie rod 121, preventing deformation of the connecting surface of the tie rod 121. The gasket 14 is preferably a flat elastic gasket or a metal ring, and the specific number may be single or plural.
After the threaded seat 112 and the sleeve 123 are screwed and fixed, the limit screw 17 is inserted into the sleeve 123, and the sleeve 123 is fixed in a direction perpendicular to the cylinder wall, so that the sleeve 123 is prevented from moving or rotating.
In addition, a stop washer 16 may be provided in cooperation with the stop screw 17, also to distribute the pressure of the stop screw 17 against the sleeve 123.
Alternatively, the thickness and material of the washers 14 and the spacing washers 16 are not limited to metal rings or elastomeric washers, as the case may be.
On the basis of any of the above embodiments, the sleeve 123 and the limiting seat 122 are provided with through holes in the radial direction for matching with the limiting screws 17.
When the limit screw 17 is used for fixing the sleeve 123, the limit screw 17 is directly inserted into the through holes of the sleeve 123 and the limit seat 122, and under the nesting relation between the limit seat 122 and the sleeve 123 and the combined action of the limit screw 17, the axial movement and the rotation of the sleeve 123 are limited at the same time, the sleeve 123 is prevented from being taken out of the pull rod 121, and the end ring assembly welding 11 and the pull rod assembly welding 12 are fixed more stably and safely.
Alternatively, the shape of the through hole may be square, kidney-shaped or circular.
Optionally, the number of the through holes is at least one, and may be multiple.
Optionally, the through hole is disposed in an axial direction, preferably, in the axial direction of the middle of the sleeve 123 and the limiting seat 122, or in other positions.
On the basis of any of the above embodiments, the end ring assembly welds 11 are disposed at both ends of the tie rod assembly welds 12, and the two sets of end ring assembly welds 11 are disposed symmetrically with respect to the perpendicular bisector of the tie rod assembly welds 12.
In addition to the symmetry in position, the angles of the two end ring assembly welds 11 with respect to the pull rod assembly welds 12 can also be symmetrical.
The end ring assembly welds 11 are arranged at the two ends of the pull rod assembly weld 12, so that the two ends of the pull rod 121 can be supported when the end ring 111 is broken, and the pantograph is further protected.
On the basis of any of the above embodiments, the end ring 11 further includes a U-shaped plate 113 welded to the threaded seat 112, and the U-shaped plate 113 and the threaded seat 112 cooperate to cover the outer ring of the circular ring of the end ring 111.
Referring to fig. 4 and 5, the u-shaped plate 113 and the threaded seat 112 enclose an annular structure, and the circular ring of the end ring 111 is wrapped inside the enclosed annular structure; the U-shaped plate 113 is welded with the threaded seat 112, the base of the threaded seat 112 is arranged at the tail end of the opening end of the U-shaped plate 113, the tail end of the opening end is the end opposite to the arc end face of the U-shaped plate 113, and in addition, a certain welding hole is formed between the threaded seat 112 and the U-shaped plate 113.
Above, the screw base 112 is fixedly connected with the U-shaped plate 113, the screw base 112 is further connected with the sleeve 123 through screw threads, and further, the sleeve 123 is fixedly connected with the U-shaped plate 113.
On the basis of any of the above embodiments, the distance between the U-shaped plate 113 and the end ring 111 is greater than 2mm.
The distance between the two is set to ensure that a certain gap is reserved between the arc end surface of the U-shaped plate 113 and the arc outer surface of the end ring 111, so that a certain relative movement space is reserved between the welded U-shaped plate 113 and the thread seat 112 and the end ring 111. It should be noted that the relative movement herein refers to the movement of the end ring 111 relative to the welded integral structure of the U-shaped plate 113 and the threaded seat 112.
Referring to fig. 3, the pantograph is screwed by an end ring 111 and a pull rod 121, and is fixed by a washer 14 and a nut 15; the end ring assembly welding 11 and the pull rod assembly welding 12 are firmly and fixedly connected through the threaded seat 112 and the sleeve 123 which are in threaded connection and are fixed through the limiting washer 16 and the limiting screw 17. After the end ring 111 is broken, the fixed connection between the threaded seat 112 and the sleeve 123 can further support the pull rod 121, which plays a role in protecting the pantograph.
On the basis of any of the above embodiments, the pantograph further comprises a stress sensor 18, and the stress sensor 18 is connected to the surface of the U-shaped plate 113. The stress sensor 18 can be used for detecting the pressure change of the U-shaped plate 113 in real time, transmitting the signal of the stress sensor 18 to the outside, finding out the fault condition of the pull rod 121 of the pantograph in time, and particularly transmitting the signal to a controller, a display or the like so as to process in time.
Alternatively, the stress sensor 18 may be a mechanical or electronic sensor.
Alternatively, the stress sensor 18 may be adhered to the U-shaped plate 113, such as a film sensor; or may be welded or removably secured to U-shaped plate 113, such as a piezoelectric pressure sensor.
On the basis of any one of the above embodiments, the structure further comprises an alarm device and a controller, wherein the stress sensor 18 is connected with the controller, and the controller is connected with the alarm device. When the end ring 111 is broken, the U-shaped plate 113 installed on the outer ring of the circular ring of the end ring 111 bears the pressure of the pull rod 121, the stress sensor 18 receives a pressure signal and reports the pressure signal to the controller, and the controller controls the alarm device to give an alarm, so that measures are taken in time to protect the pantograph.
The pantograph having the pull rod coming-off preventing device is provided as described above, and the method of detecting the failure of the pantograph will be described in detail below.
When the pantograph head 4 is pulled up by the normal operation of the pull rod 121, the U-shaped plate 113 is not in contact with the pull rod 121, the pressure of the pull rod 121 is borne by the end ring 111, the stress sensor 18 welded on the surface of the U-shaped plate 113 cannot sense the change of force, and the pantograph normally operates at the moment;
when the end ring 111 is broken, the U-shaped plate 113 installed on the outer ring of the circular ring of the end ring 111 bears the pressure of the pull rod 121, the stress sensor 18 receives a pressure signal and reports the pressure signal to the controller, and the controller controls the alarm device to give an alarm, so that the pantograph is protected in time.
In addition to the pantograph, the invention further provides a vehicle system including the pantograph disclosed in the above embodiment, specifically including the pantograph, a vehicle, an automatic guidance system, a vehicle signal control system, and the like.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The pantograph and the vehicle system provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. A pantograph comprising a drawbar assembly (1); the tie rod assembly (1) comprises a tie rod assembly weld (12) and an end ring assembly weld (11) located at the end of the tie rod assembly weld (12); characterized in that the end ring assembly welding (11) comprises an end ring (111) with a screw rod (1111) and a thread seat (112) which is connected with the screw rod (1111) in a sliding way; the pull rod assembly welding (12) comprises a pull rod (121), a limiting seat (122) fixed with the end part of the pull rod (121), and a sleeve (123) nested with the outer ring of the limiting seat (122); the screw rod (1111) is in threaded connection with the pull rod (121), and the threaded seat (112) is in threaded connection with the sleeve (123).
2. Pantograph according to claim 1, characterized in that said threaded rod (1111) is threaded with the inner hole of said tie rod (121); the threaded seat (112) is in threaded connection with an inner hole of the sleeve (123).
3. Pantograph according to claim 2, characterized in that said tie rod assembly (1) further comprises a nut (15) for fixing said threaded rod (1111) with said tie rod (121) and a limit screw (17) for fixing said threaded seat (112) with said sleeve (123).
4. Pantograph according to claim 3, characterized in that said sleeve (123) and said stop seat (122) are radially provided with through holes for cooperating with said stop screws (17).
5. Pantograph according to claim 1, characterized in that the end ring assembly welds (11) are provided at both ends of the stay assembly welds (12), and in that the two sets of end ring assembly welds (11) are arranged symmetrically with respect to the perpendicular bisector of the stay assembly welds (12).
6. Pantograph according to one of claims 1 to 5, characterised in that the end ring assembly weld (11) further comprises a U-shaped plate (113) welded to the threaded seat (112), the U-shaped plate (113) cooperating with the threaded seat (112) to cover the outer ring of the circular ring of the end ring (111).
7. Pantograph according to claim 6, characterized in that the spacing between the U-shaped plate (113) and the end ring (111) is greater than 2mm.
8. Pantograph according to claim 7, characterized in that it further comprises a stress sensor (18), which stress sensor (18) is connected to the surface of the U-shaped plate (113).
9. The pantograph according to claim 8, wherein the pantograph further comprises an alarm device, a controller; the stress sensor (18) is connected with the controller, and the controller is connected with the alarm device.
10. A vehicle system characterized by comprising the pantograph of any one of claims 1 to 9.
CN202211190858.XA 2022-09-28 2022-09-28 Pantograph and vehicle system Pending CN115476694A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202211190858.XA CN115476694A (en) 2022-09-28 2022-09-28 Pantograph and vehicle system
PCT/CN2023/100143 WO2024066484A1 (en) 2022-09-28 2023-06-14 Pantograph and vehicle system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211190858.XA CN115476694A (en) 2022-09-28 2022-09-28 Pantograph and vehicle system

Publications (1)

Publication Number Publication Date
CN115476694A true CN115476694A (en) 2022-12-16

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WO (1) WO2024066484A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024066484A1 (en) * 2022-09-28 2024-04-04 中车株洲电力机车有限公司 Pantograph and vehicle system

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Publication number Priority date Publication date Assignee Title
CH403837A (en) * 1963-01-05 1965-12-15 Bbc Brown Boveri & Cie Pantographs for electric traction vehicles
CN201325337Y (en) * 2008-12-23 2009-10-14 北京赛德高科铁道电气科技有限责任公司 Light rail pantograph joint and pantograph with the joint
CN203651491U (en) * 2013-10-31 2014-06-18 北京赛德高科铁道电气科技有限责任公司 Electric automobile applied pantograph
CN215370578U (en) * 2021-07-21 2021-12-31 全椒县润华机械有限公司 Connecting rod assembly that can multi-angle was adjusted
CN115476694A (en) * 2022-09-28 2022-12-16 中车株洲电力机车有限公司 Pantograph and vehicle system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024066484A1 (en) * 2022-09-28 2024-04-04 中车株洲电力机车有限公司 Pantograph and vehicle system

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