WO2020037722A1 - Rail transit vehicle - Google Patents

Rail transit vehicle Download PDF

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Publication number
WO2020037722A1
WO2020037722A1 PCT/CN2018/104560 CN2018104560W WO2020037722A1 WO 2020037722 A1 WO2020037722 A1 WO 2020037722A1 CN 2018104560 W CN2018104560 W CN 2018104560W WO 2020037722 A1 WO2020037722 A1 WO 2020037722A1
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WO
WIPO (PCT)
Prior art keywords
traction transformer
rail transit
vehicle body
fuel tank
transit vehicle
Prior art date
Application number
PCT/CN2018/104560
Other languages
French (fr)
Chinese (zh)
Inventor
胡贵
钟珩
朱莉莉
何泽海
吴勇
阳清泉
刘婷
Original Assignee
中车株洲电机有限公司
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 中车株洲电机有限公司 filed Critical 中车株洲电机有限公司
Priority to ROA202100026A priority Critical patent/RO135054B1/en
Publication of WO2020037722A1 publication Critical patent/WO2020037722A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C3/00—Electric locomotives or railcars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H01F27/025—Constructional details relating to cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling

Definitions

  • the present invention relates to the technical field of rail transit, and particularly to a rail transit vehicle.
  • Traction transformer for rail transit vehicles is a special voltage grade power transformer. It is usually used to convert the 25KV high-voltage obtained on the contact network into a suitable voltage for traction motors and other motors and electrical appliances. The requirements of drastic load changes, meanwhile, it is necessary to suppress harmonic currents and limit short-circuit currents to ensure the safe, stable, and reliable operation of rail transit vehicles. Therefore, traction transformers are the core and key components of rail transit vehicles.
  • Existing traction transformers usually include iron cores, windings, fuel tanks, oil storage tanks, cooling systems, bushings, transformer oil, etc., where the iron cores and windings generate voltage drops through electromagnetic induction, and transformer oil is stored in the oil tank.
  • the cabinet is used to prevent the oil pressure in the tank from being too high or lacking oil due to the thermal expansion and contraction of the transformer oil.
  • the cooling system reduces the temperature of the transformer oil through heat exchange.
  • the existing traction transformer is usually installed on the bottom of the rail transit vehicle.
  • This arrangement requires a certain height and space on the bottom of the rail transit vehicle to accommodate the traction transformer, which limits the convenience of installation and maintenance of the traction transformer.
  • it is easy to be contaminated and blocked by muddy water at the bottom of the vehicle, and it is also easy to be scratched and damaged by the hard object at the bottom of the vehicle, which seriously affects the service life of the traction transformer and thus affects the reliability of the rail transit vehicle.
  • the height of the bottom surface of the rail transit vehicle from the ground is high, and a certain height platform is usually required for passengers to get on and off the vehicle conveniently, making the use environment of rail transit vehicles limited and applicable. Worse.
  • the existing setting of the traction transformer makes the work of the rail transit vehicle less reliable and less adaptable.
  • the object of the present invention is to provide a rail transit vehicle, which changes the traction transformer from the bottom of the vehicle to the top of the vehicle, which is beneficial to improving its working reliability and adaptability.
  • the invention provides a rail transit vehicle, which includes a vehicle body and a traction transformer, the traction transformer is fixed on the top of the vehicle body, and the outer contour of the traction transformer is located at a place protruding in a direction away from the bottom surface of the vehicle body.
  • the outline of the roof is not limited to a rail transit vehicle.
  • it further comprises:
  • a support seat fixedly connected to the top of the vehicle body
  • a fixing device fixedly connected to the bottom of the traction transformer to support the traction transformer
  • a vibration damping device fixedly connected between the support base and the fixing device for buffering vibration.
  • the traction transformer includes a fuel tank
  • the fixing device includes:
  • Two load-bearing rods located on both sides of the fuel tank and staggered along the width direction of the vehicle body;
  • Stiffener plates respectively fixed between two bearing rods and the fuel tank;
  • a plurality of fixing frames are fixed on one side of the two bearing rods away from the stiffener plate, and are staggered and distributed along the length direction corresponding to the bearing rods, for fixing the vibration damping device.
  • the traction transformer further includes an oil storage tank welded to the top of the oil tank.
  • the traction transformer further includes a cooling device located between the two load bearing rods and installed on a side of the fuel tank.
  • the width of the oil storage tank and the width of the cooling device are both smaller than the width of the fuel tank
  • the rib plate is specifically a right-angle trapezoid stiffener plate, and the hypotenuse of the right-angle trapezoid stiffener plate is opposite
  • the extension lines intersect above the fuel tank.
  • the traction transformer further includes a connection cable and a connection oil pipe, and a protective cover covering the connection cable and an outer periphery of the connection oil pipe.
  • a rail transit vehicle includes a vehicle body and a traction transformer, the traction transformer is fixed to the top of the vehicle body, and the outer contour of the traction transformer is convex in a direction away from the bottom surface of the vehicle body Inside the roof contour.
  • the traction transformer is disposed on the top of the vehicle body, on the one hand, it is beneficial to reduce the risk of the traction transformer from being polluted, blocked, and scratched, and it is beneficial to reduce the failure rate of the traction transformer and extend its service life, thereby Conducive to improving the working reliability of rail transit vehicles;
  • the traction transformer is located on the top of the car body, which helps to reduce the height of the bottom of the car body from the ground, without the need to add a platform with a certain height The use conditions are less affected by the height of the platform, which is conducive to improving its adaptability to a certain extent.
  • the rail transit vehicle provided by the present invention is beneficial to improving its working reliability and adaptability.
  • FIG. 1 is a schematic diagram of a partial structure of a rail transit vehicle provided by a specific embodiment of the present invention
  • FIG. 2 is a top view of FIG. 1;
  • the supporting rod 41, the rib 42 and the fixing frame 43 are identical to each other.
  • FIG. 1 and FIG. 2 is a schematic diagram of a partial structure of a rail transit vehicle according to a specific embodiment of the present invention
  • FIG. 2 is a top view of FIG. 1.
  • a rail transit vehicle which comprises a vehicle body and a traction transformer.
  • a rail transit vehicle includes a plurality of car bodies connected end to end and at least one traction transformer.
  • each traction transformer is installed on the top of one of the car bodies.
  • the top of the vehicle body has a roof contour line 1 that is convex with respect to the bottom surface of the vehicle body facing away from the bottom surface of the vehicle body.
  • the roof contour line refers to the maximum dynamic envelope formed by all equipment on the top of the vehicle body.
  • the common roof contour line 1 is a convex formed by connecting multiple arc segments with different radii.
  • the arc starting line, or the convex arc line formed by the smooth transition connection of multiple straight lines and multiple arcs, is specifically referred to FIG. 1.
  • the traction transformer is fixed on the top of the vehicle body, and the outer contour of the traction transformer is located in the roof contour line 1. Specifically, by adjusting the ratio between the length, width, and height of each component in the traction transformer, the cross section of the traction transformer in the direction perpendicular to the length of the vehicle body can be completely enveloped within the roof contour line 1 or with the roof
  • the contour line 1 coincides so that the vehicle contour line is completely within the vehicle limit, where the vehicle limit refers to the maximum dynamic envelope formed by the vehicle under normal operating conditions, in order to prevent the vehicle body from running with straight lines or curved lines with external buildings and Contact or collision of related equipment to ensure safe passage.
  • the conversion of the traction transformer from the bottom of the vehicle body to the top of the vehicle body ensure that the outer contour of the traction transformer is located within the contour line 1 of the vehicle roof, which is not only conducive to avoiding the traction transformer from pollution, blockage and scratch And other damage, so as to increase the service life by reducing the failure rate to improve the working reliability of rail transit vehicles; and it is beneficial to reduce the height of the bottom surface of the car body from the ground, avoid the addition of higher platforms, and weaken the influence of the platform height, thus Conducive to improving its adaptability. Therefore, the rail transit vehicle provided by the present invention is beneficial to improving its working reliability and adaptability.
  • the present invention further includes a support base 3, a fixing device 4, and a vibration reduction device.
  • the fixing device 4 is fixedly connected to the bottom of the traction transformer, and is used for supporting the traction transformer.
  • the width of the fixing device 4 is generally smaller than the width of the vehicle body so as to cooperate with the support base 3 to fix the traction transformer.
  • the vibration damping device is fixedly connected between the support base 3 and the fixing device 4 and is mainly used for buffering shock vibration, so as not to affect the service life of the traction transformer due to severe fluctuations, which is beneficial to further improving the working reliability of rail transit vehicles.
  • the vibration damping device preferably has a cylindrical compression coil spring damper with a circular spring section.
  • it is not limited to this. The use of other types of vibration damping devices does not affect the realization of the object of the present invention.
  • the traction transformer in the present invention includes an oil tank 21 for storing transformer oil.
  • a tank cover for sealing the fuel tank 21 is provided on the top of the fuel tank 21, and the cross-sectional area of the tank cover is larger than the cross-sectional area of the fuel tank 21.
  • the fuel tank 21 is preferably a cube-shaped or rectangular parallelepiped fuel tank.
  • the tank cover is a square steel plate or a rectangular steel plate.
  • the structure of the fuel tank 21 and the tank cover is not limited to this, but regardless of the structure of the two, the fuel tank must be guaranteed
  • the opening of 21 is completely covered by the tank cover, and the thickness of the tank cover fully meets the strength requirements of the fuel tank 21.
  • the fixing device 4 includes a bearing rod 41, a stiffener plate 42, and a fixing frame 43.
  • the load-bearing rods 41 specifically include two load-bearing rods 41 located on both sides of the fuel tank 21, and the two load-bearing rods 41 are staggered and distributed along the width direction of the vehicle body.
  • the two load-bearing rods 41 are preferably long metal rods made of a square hollow steel pipe, and their lengths are greater than the length of the fuel tank 21.
  • the structure and material of the bearing rod 41 are not limited to this.
  • each of the rib plates 42 is preferably a right-angled trapezoidal rib plate made of a metal steel plate, and the right-angled right-angled sides thereof are fixed to one side of the fuel tank 21 by welding.
  • the inclined plates of the right-angle trapezoidal stiffener plate are oppositely arranged, and the extension lines of the two oblique sides intersect at a certain point above the fuel tank 21.
  • the side of the plurality of reinforcing rib plates 42 are respectively provided with an avoidance groove for avoiding the bearing rod 41, and the two bearing rods 41 are correspondingly welded into the escape grooves of the reinforcing rib plates 42 connected to them.
  • the structure of the rail transit vehicle is more compact, so as to achieve weight reduction and miniaturization.
  • the structure and number of the ribs 42 are not limited to this.
  • the fixing brackets 43 include a plurality of fixing brackets 43 which are respectively fixed on the two bearing rods 41 away from the reinforcing rib plate 42 and staggered along the length direction of the corresponding bearing rods 41 so as to fix the vibration damping device, that is, fixed.
  • the number of frames 43 and the number of vibration damping devices are the same.
  • each fixing frame 43 is specifically composed of two right-angled triangular metal plates and a metal flat plate welded to the bottom of the two right-angled triangular metal plates, and the metal flat plate is provided with a fixing for receiving and fixing one end of the vibration damping device. hole.
  • This embodiment specifically includes at least four fixing brackets 43 for fixing the vibration damping device, and each two fixing brackets 43 are respectively welded to two ends of one of the bearing rods 41.
  • each two fixing brackets 43 are respectively welded to two ends of one of the bearing rods 41.
  • the structure, quantity and installation of the fixing brackets 43 The locations are not limited to this.
  • the traction transformer further includes an oil storage tank 22 welded to the top of the oil tank 21.
  • the connection by welding is more conducive to simplifying the track.
  • the structure of the traffic vehicle is conducive to light weight and miniaturization; at the same time, the welding method is used to improve the strength of the connection between the fuel tank 21 and the oil storage tank 22, so as to prevent the oil storage tank 22 from being exposed to the fuel tank due to severe vibration. 21 loosening is conducive to reducing the failure rate and improving work reliability.
  • the connection manner of the oil storage tank 22 and the fuel tank 21 may also be other connection manners such as bolt connection.
  • the cross-sectional area of the oil storage tank 22 is preferably smaller than the cross-sectional area of the tank cover of the fuel tank 21, and the outer contours of the oil storage tank 22 and the fuel tank 21 are both located within the roof contour line 1.
  • the present invention further includes a cooling device 23 located between the two bearing rods 41 and installed on the side of the oil tank 21.
  • the fuel tank 21 and the cooling device 23 are fixedly connected together by using a bolt connection, which is beneficial to further make the structure of the rail transit vehicle more compact, so as to achieve light weight and miniaturization, and at the same time can also strengthen the cooling device 23 and The strength of the connection between the fuel tanks 21 prevents relative shaking between the two to reduce the failure rate, which is conducive to prolonging the service life, thereby effectively improving the working reliability.
  • the outer contour of the cooling device 23 is also located within the roof contour line 1.
  • the cooling device 23 also includes a connecting oil pipe, a cooler and an oil pump, wherein the connecting oil pipe is mainly connected between the oil tank 21 and the cooling device 23, and the oil pump is provided on the connecting oil pipe so that the oil pump drives the coolant to circulate between the oil tank 21 and the cooler.
  • the heat of the transformer oil is taken away by heat exchange, thereby effectively reducing the temperature of the transformer oil.
  • the width of the oil storage tank 22 and the width of the cooling device 23 are smaller than the width of the fuel tank 21.
  • the external contours of the fixing device 4 and the traction transformer are completely enveloped by the roof contour line 1. Inside to ensure the safety of rail vehicles.
  • the present invention also includes connecting cables and protective sleeves, in which the number of protective sleeves is several, so as to cover the outer periphery of the connecting cables one by one to prevent the connecting cables from being exposed to sunlight. Damage or rupture due to aging or rain and snow erosion, thereby effectively enhancing the ability of the traction transformer to resist the external climate, so as to reduce the failure rate of the traction transformer, prolong its service life, and improve its reliability.
  • the protection method is not limited to this.
  • the structure of the traction transformer is not limited to this.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Transformer Cooling (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A rail transit vehicle comprises a vehicle body and a traction transformer. The traction transformer is fixed at a top portion of the vehicle body. A contour of an outer portion of the traction transformer is located inside a vehicle top contour line (1) protruding away from a bottom surface of the vehicle body. The traction transformer is disposed at the top portion of the vehicle body, and the contour of the outer portion of the traction transformer is located inside the vehicle top contour line (1), thereby protecting a traction transformer from damage, such as pollution, blockage, and scratches, reducing failure rate, improving service life, and improving working reliability of a rail transit vehicle. In addition, the height of a bottom surface of a vehicle body from the ground is reduced, avoiding the provision of a high platform, and reducing the impact of platform height, thereby improving the adaptability of a rail transit vehicle.

Description

一种轨道交通车辆Rail transit vehicle
本申请要求于2018年08月20日提交中国专利局、申请号为201810947858.7、发明名称为“一种轨道交通车辆”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims priority from a Chinese patent application filed with the Chinese Patent Office on August 20, 2018 with an application number of 201810947858.7 and an invention name of "a rail vehicle", the entire contents of which are incorporated herein by reference.
技术领域Technical field
本发明涉及轨道交通技术领域，特别涉及一种轨道交通车辆。The present invention relates to the technical field of rail transit, and particularly to a rail transit vehicle.
背景技术Background technique
用于轨道交通车辆的牵引变压器是一种特殊电压等级的电力变压器，通常用来把接触网上取得的25KV高压电压变换为供给牵引电机及其他电机、电器工作所适合的电压，工作时需满足牵引负荷变化剧烈的要求，同时需抑制谐波电流并限制短路电流，以保证轨道交通车辆安全、稳定、可靠地运行，因此牵引变压器是轨道交通车辆的核心、关键部件。Traction transformer for rail transit vehicles is a special voltage grade power transformer. It is usually used to convert the 25KV high-voltage obtained on the contact network into a suitable voltage for traction motors and other motors and electrical appliances. The requirements of drastic load changes, meanwhile, it is necessary to suppress harmonic currents and limit short-circuit currents to ensure the safe, stable, and reliable operation of rail transit vehicles. Therefore, traction transformers are the core and key components of rail transit vehicles.
现有的牵引变压器通常包括铁芯、绕组、油箱、储油柜、冷却***、套管、变压器油等，其中，铁芯和绕组通过电磁感应产生压降，油箱内存储有变压器油，储油柜用于防止因变压器油热胀冷缩引起的油箱油压过高或缺油，冷却***通过热交换降低变压器油的温度。Existing traction transformers usually include iron cores, windings, fuel tanks, oil storage tanks, cooling systems, bushings, transformer oil, etc., where the iron cores and windings generate voltage drops through electromagnetic induction, and transformer oil is stored in the oil tank. The cabinet is used to prevent the oil pressure in the tank from being too high or lacking oil due to the thermal expansion and contraction of the transformer oil. The cooling system reduces the temperature of the transformer oil through heat exchange.
然而，现有牵引变压器通常安装于轨道交通车辆的底部，这种布置方式需轨道交通车辆的底部具有一定的高度及空间来容纳牵引变压器，这使得牵引变压器的安装及维护的便捷性受到限制，且易被车底的泥水污染及堵塞，同时也容易被车底的硬物刮擦损伤，严重影响牵引变压器的使用寿命，从而影响轨道交通车辆的工作可靠性。另外，又由于牵引变压器等部件的安装使轨道交通车辆的车厢底面距离地面的高度较高，使用时通常需增设一定高度的站台供乘客方便上下车，使得轨道交通车辆的使用环境有限，适用性较差。However, the existing traction transformer is usually installed on the bottom of the rail transit vehicle. This arrangement requires a certain height and space on the bottom of the rail transit vehicle to accommodate the traction transformer, which limits the convenience of installation and maintenance of the traction transformer. And it is easy to be contaminated and blocked by muddy water at the bottom of the vehicle, and it is also easy to be scratched and damaged by the hard object at the bottom of the vehicle, which seriously affects the service life of the traction transformer and thus affects the reliability of the rail transit vehicle. In addition, due to the installation of traction transformers and other components, the height of the bottom surface of the rail transit vehicle from the ground is high, and a certain height platform is usually required for passengers to get on and off the vehicle conveniently, making the use environment of rail transit vehicles limited and applicable. Worse.
因此，现有的牵引变压器的设置使得轨道交通车辆的工作可靠性较低、适应性较差。Therefore, the existing setting of the traction transformer makes the work of the rail transit vehicle less reliable and less adaptable.
发明内容Summary of the Invention
本发明的目的在于提供一种轨道交通车辆，将牵引变压器由车底改放至车顶，有利于提升其工作可靠性和适应性。The object of the present invention is to provide a rail transit vehicle, which changes the traction transformer from the bottom of the vehicle to the top of the vehicle, which is beneficial to improving its working reliability and adaptability.
其具体方案如下：The specific scheme is as follows:
本发明提供一种轨道交通车辆，包括车体和牵引变压器，所述牵引变压器固定于所述车体的顶部且所述牵引变压器的外部轮廓位于向远离所述车体底面的方向凸起的所述车顶轮廓线内。The invention provides a rail transit vehicle, which includes a vehicle body and a traction transformer, the traction transformer is fixed on the top of the vehicle body, and the outer contour of the traction transformer is located at a place protruding in a direction away from the bottom surface of the vehicle body. The outline of the roof.
优选地，还包括：Preferably, it further comprises:
与所述车体的顶部相固连的支撑座；A support seat fixedly connected to the top of the vehicle body;
与所述牵引变压器的底部相固连以支撑所述牵引变压器的固定装置；A fixing device fixedly connected to the bottom of the traction transformer to support the traction transformer;
固连于所述支撑座与所述固定装置之间、用于缓冲振动的减振装置。A vibration damping device fixedly connected between the support base and the fixing device for buffering vibration.
优选地，所述牵引变压器包括油箱，所述固定装置包括：Preferably, the traction transformer includes a fuel tank, and the fixing device includes:
两条分别位于所述油箱两侧且沿所述车体的宽度方向错开分布的承载杆；Two load-bearing rods located on both sides of the fuel tank and staggered along the width direction of the vehicle body;
分别固定于两条承载杆与所述油箱之间的加强筋板；Stiffener plates respectively fixed between two bearing rods and the fuel tank;
若干分别固设于两条所述承载杆远离所述加强筋板的一侧且沿对应所述承载杆的长度方向错开分布、用于固定所述减振装置的固定架。A plurality of fixing frames are fixed on one side of the two bearing rods away from the stiffener plate, and are staggered and distributed along the length direction corresponding to the bearing rods, for fixing the vibration damping device.
优选地，所述牵引变压器还包括焊接于所述油箱顶部的储油柜。Preferably, the traction transformer further includes an oil storage tank welded to the top of the oil tank.
优选地，所述牵引变压器还包括位于两条所述承载杆之间且安装于所述油箱侧面的冷却装置。Preferably, the traction transformer further includes a cooling device located between the two load bearing rods and installed on a side of the fuel tank.
优选地，所述储油柜的宽度和所述冷却装置的宽度均小于所述油箱的宽度，所述加强筋板具体为直角梯形加强筋板，所述直角梯形加强筋板的斜边相对设置且延长线在所述油箱的上方相交。Preferably, the width of the oil storage tank and the width of the cooling device are both smaller than the width of the fuel tank, the rib plate is specifically a right-angle trapezoid stiffener plate, and the hypotenuse of the right-angle trapezoid stiffener plate is opposite And the extension lines intersect above the fuel tank.
优选地，所述牵引变压器还包括连接电缆和连接油管，以及包覆于所述连接电缆与所述连接油管外周的防护套。Preferably, the traction transformer further includes a connection cable and a connection oil pipe, and a protective cover covering the connection cable and an outer periphery of the connection oil pipe.
相对于背景技术，一种轨道交通车辆，包括车体和牵引变压器，所述牵引变压器固定于所述车体的顶部且所述牵引变压器的外部轮廓位于向远离所述车体底面的方向凸起的所述车顶轮廓线内。Relative to the background, a rail transit vehicle includes a vehicle body and a traction transformer, the traction transformer is fixed to the top of the vehicle body, and the outer contour of the traction transformer is convex in a direction away from the bottom surface of the vehicle body Inside the roof contour.
由于所述牵引变压器设置于所述车体的顶部，一方面有利于降低所述 牵引变压器遭受污染、堵塞和刮伤的风险，有利于降低所述牵引变压器的故障率，延长其使用寿命，从而有利于提升轨道交通车辆的工作可靠性；另一方面，将所述牵引变压器设于所述车体的顶部，有利于降低所述车体底部距离地面的高度，可无需增设具有一定高度的站台，使用条件受站台高度的影响较小，有利于在一定程度上提升其适应性。Because the traction transformer is disposed on the top of the vehicle body, on the one hand, it is beneficial to reduce the risk of the traction transformer from being polluted, blocked, and scratched, and it is beneficial to reduce the failure rate of the traction transformer and extend its service life, thereby Conducive to improving the working reliability of rail transit vehicles; On the other hand, the traction transformer is located on the top of the car body, which helps to reduce the height of the bottom of the car body from the ground, without the need to add a platform with a certain height The use conditions are less affected by the height of the platform, which is conducive to improving its adaptability to a certain extent.
因此，本发明所提供的轨道交通车辆有利于提升其工作可靠性和适应性。Therefore, the rail transit vehicle provided by the present invention is beneficial to improving its working reliability and adaptability.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。In order to more clearly explain 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 introduced below. Obviously, the drawings in the following description are merely It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without paying creative labor.
图1为本发明一种具体实施方式所提供轨道交通车辆的局部结构示意简图；FIG. 1 is a schematic diagram of a partial structure of a rail transit vehicle provided by a specific embodiment of the present invention; FIG.
图2为图1的俯视图；FIG. 2 is a top view of FIG. 1;
附图标记如下：The reference signs are as follows:
车顶轮廓线1、油箱21、储油柜22、冷却装置23、支撑座3和固定装置4；Roof contour line 1, fuel tank 21, oil storage tank 22, cooling device 23, support base 3 and fixing device 4;
承载杆41、加强筋板42和固定架43。The supporting rod 41, the rib 42 and the fixing frame 43.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
为了使本技术领域的人员更好地理解本发明方案，下面结合附图和具体实施方式对本发明作进一步的详细说明。In order to enable those skilled in the art to better understand the solutions of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
请参考图1和图2，图1为本发明一种具体实施方式所提供轨道交通车辆的局部结构示意简图；图2为图1的俯视图。Please refer to FIG. 1 and FIG. 2, which is a schematic diagram of a partial structure of a rail transit vehicle according to a specific embodiment of the present invention; FIG. 2 is a top view of FIG. 1.
本发明实施例公开了一种轨道交通车辆，包括车体和牵引变压器。通常情况下轨道交通车辆包含若干节首尾相接的车体和至少一个牵引变压器，优选地，每个牵引变压器安装于其中一节车体的顶部。The embodiment of the invention discloses a rail transit vehicle, which comprises a vehicle body and a traction transformer. Generally, a rail transit vehicle includes a plurality of car bodies connected end to end and at least one traction transformer. Preferably, each traction transformer is installed on the top of one of the car bodies.
车体的顶部具有相对于车体底面向远离车体底面的方向凸起的车顶轮廓线1。其中，车顶轮廓线是指车体顶部所有设备形成的最大动态包络线。一般地，不同区域、不同型号的轨道交通车辆的车顶通常存在差异，导致车顶轮廓线1存在一定差异，常见的车顶轮廓线1是由多段不同半径的圆弧线段连接而成的凸起弧线，或者由多段直线及多段圆弧线平滑过渡连接而成的凸起弧线，具体参照附图1。The top of the vehicle body has a roof contour line 1 that is convex with respect to the bottom surface of the vehicle body facing away from the bottom surface of the vehicle body. Among them, the roof contour line refers to the maximum dynamic envelope formed by all equipment on the top of the vehicle body. Generally, the roofs of rail transit vehicles in different regions and models are usually different, resulting in a certain difference in the roof contour line 1. The common roof contour line 1 is a convex formed by connecting multiple arc segments with different radii. The arc starting line, or the convex arc line formed by the smooth transition connection of multiple straight lines and multiple arcs, is specifically referred to FIG. 1.
需要指明的是，牵引变压器固定于车体的顶部，且牵引变压器的外部轮廓位于车顶轮廓线1内。具体地，可以通过调整牵引变压器内各部件的长宽高之间的比值，使牵引变压器在垂直于车体长度方向的横截面能够完全被包络于车顶轮廓线1内，或者与车顶轮廓线1相吻合，以便车辆轮廓线完全在车辆限界内，其中车辆限界是指车辆在正常运行状态下形成的最大动态包络线，以防车体在直线或曲线运行时与外界建筑物及相关设备发生接触或碰撞，保证安全通行。It should be noted that the traction transformer is fixed on the top of the vehicle body, and the outer contour of the traction transformer is located in the roof contour line 1. Specifically, by adjusting the ratio between the length, width, and height of each component in the traction transformer, the cross section of the traction transformer in the direction perpendicular to the length of the vehicle body can be completely enveloped within the roof contour line 1 or with the roof The contour line 1 coincides so that the vehicle contour line is completely within the vehicle limit, where the vehicle limit refers to the maximum dynamic envelope formed by the vehicle under normal operating conditions, in order to prevent the vehicle body from running with straight lines or curved lines with external buildings and Contact or collision of related equipment to ensure safe passage.
由此可知，将牵引变压器由车体底部改装至车体顶部，并同时保证牵引变压器的外部轮廓位于车顶轮廓线1内，不仅在一定程度上有利于避免牵引变压器遭受污染、堵塞和刮伤等损害，从而通过降低故障率来提升使用寿命，以提升轨道交通车辆的工作可靠性；而且有利于降低车体底面距离地面的高度，避免增设较高的站台，受站台高度的影响减弱，从而有利于提升其适应性。因此，本发明所提供的轨道交通车辆有利于提升其工作可靠性和适应性。It can be seen that the conversion of the traction transformer from the bottom of the vehicle body to the top of the vehicle body, and at the same time ensure that the outer contour of the traction transformer is located within the contour line 1 of the vehicle roof, which is not only conducive to avoiding the traction transformer from pollution, blockage and scratch And other damage, so as to increase the service life by reducing the failure rate to improve the working reliability of rail transit vehicles; and it is beneficial to reduce the height of the bottom surface of the car body from the ground, avoid the addition of higher platforms, and weaken the influence of the platform height, thus Conducive to improving its adaptability. Therefore, the rail transit vehicle provided by the present invention is beneficial to improving its working reliability and adaptability.
为防止牵引变压器因振动受损而影响轨道交通车辆的工作可靠性，本发明还包括支撑座3、固定装置4和减振装置。In order to prevent the traction transformer from affecting the reliability of the rail transit vehicle due to vibration damage, the present invention further includes a support base 3, a fixing device 4, and a vibration reduction device.
固定装置4与牵引变压器的底部相固连，用于支撑牵引变压器。固定装置4的宽度通常小于车体的宽度，以便配合支撑座3起到固定牵引变压器的 作用。The fixing device 4 is fixedly connected to the bottom of the traction transformer, and is used for supporting the traction transformer. The width of the fixing device 4 is generally smaller than the width of the vehicle body so as to cooperate with the support base 3 to fix the traction transformer.
减振装置固连于支撑座3与固定装置4之间，主要用于缓冲冲击振动，以免牵引变压器因剧烈波动而影响牵引变压器的使用寿命，有利于进一步提升轨道交通车辆的工作可靠性。在该具体实施例中，减振装置优选具有簧条截面为圆形的圆柱压缩螺旋弹簧的减振器，当然不限于此，采用其他类型的减振装置并不影响实现本发明的目的。The vibration damping device is fixedly connected between the support base 3 and the fixing device 4 and is mainly used for buffering shock vibration, so as not to affect the service life of the traction transformer due to severe fluctuations, which is beneficial to further improving the working reliability of rail transit vehicles. In this specific embodiment, the vibration damping device preferably has a cylindrical compression coil spring damper with a circular spring section. Of course, it is not limited to this. The use of other types of vibration damping devices does not affect the realization of the object of the present invention.
依据现有技术，本发明中的牵引变压器包括用于存储变压器油的油箱21。需要指出的是，在该具体实施例中，油箱21的顶部设有用于密封油箱21的箱盖，该箱盖的横截面面积大于油箱21的横截面面积。另外，油箱21优选立方体状或长方体体状油箱，相应地，箱盖呈方形钢板或矩形钢板，当然，油箱21和箱盖的结构不限于此，但无论二者采用何种结构，必须保证油箱21的开口完全被箱盖覆盖，且箱盖的厚度完全满足油箱21的强度要求。According to the prior art, the traction transformer in the present invention includes an oil tank 21 for storing transformer oil. It should be noted that, in this specific embodiment, a tank cover for sealing the fuel tank 21 is provided on the top of the fuel tank 21, and the cross-sectional area of the tank cover is larger than the cross-sectional area of the fuel tank 21. In addition, the fuel tank 21 is preferably a cube-shaped or rectangular parallelepiped fuel tank. Correspondingly, the tank cover is a square steel plate or a rectangular steel plate. Of course, the structure of the fuel tank 21 and the tank cover is not limited to this, but regardless of the structure of the two, the fuel tank must be guaranteed The opening of 21 is completely covered by the tank cover, and the thickness of the tank cover fully meets the strength requirements of the fuel tank 21.
以油箱21为参照，在该具体实施例中，固定装置4包括承载杆41、加强筋板42和固定架43。Taking the fuel tank 21 as a reference, in this specific embodiment, the fixing device 4 includes a bearing rod 41, a stiffener plate 42, and a fixing frame 43.
其中，承载杆41具体包括两条，两条承载杆41分别位于油箱21的两侧，且两条承载杆41沿车体的宽度方向错开分布。具体地，两条承载杆41优选由方形空心钢管制成的长条形金属杆，其长度均大于油箱21的长度。当然，承载杆41的结构及材质不限于此。Wherein, the load-bearing rods 41 specifically include two load-bearing rods 41 located on both sides of the fuel tank 21, and the two load-bearing rods 41 are staggered and distributed along the width direction of the vehicle body. Specifically, the two load-bearing rods 41 are preferably long metal rods made of a square hollow steel pipe, and their lengths are greater than the length of the fuel tank 21. Of course, the structure and material of the bearing rod 41 are not limited to this.
加强筋板42分别固定于两条承载杆41与油箱21之间，以便增强油箱21的连接强度，防止油箱21因剧烈摆动而断裂失效，从而有利于提升固定装置4的使用寿命，降低故障率，以便提升轨道交通车辆的使用寿命。具体地，每块加强筋板42优选由金属钢板制成的直角梯形加强筋板，其具有直角的直角边均通过焊接的方式固定于油箱21的一侧。相应地，直角梯形加强筋板的斜板便相对设置，且两斜边的延长线在油箱21的上方相交于某一点。另外，若干加强筋板42分别靠近两根承载杆41的一侧设有用于避让承载杆41的避让槽，且两承载杆41分别对应焊接于与之相连的加强筋板42的避让槽内，以便缩短固定装置4的宽度，是轨道交通车辆的结构更紧凑，以便于实现轻量化、小型化。当然，加强筋板42的结构及数量均不限于此。Reinforcing ribs 42 are respectively fixed between the two bearing rods 41 and the fuel tank 21 in order to enhance the connection strength of the fuel tank 21 and prevent the fuel tank 21 from being broken due to severe swings, thereby helping to improve the service life of the fixing device 4 and reducing the failure rate In order to improve the service life of rail transit vehicles. Specifically, each of the rib plates 42 is preferably a right-angled trapezoidal rib plate made of a metal steel plate, and the right-angled right-angled sides thereof are fixed to one side of the fuel tank 21 by welding. Correspondingly, the inclined plates of the right-angle trapezoidal stiffener plate are oppositely arranged, and the extension lines of the two oblique sides intersect at a certain point above the fuel tank 21. In addition, the side of the plurality of reinforcing rib plates 42 are respectively provided with an avoidance groove for avoiding the bearing rod 41, and the two bearing rods 41 are correspondingly welded into the escape grooves of the reinforcing rib plates 42 connected to them. In order to shorten the width of the fixing device 4, the structure of the rail transit vehicle is more compact, so as to achieve weight reduction and miniaturization. Of course, the structure and number of the ribs 42 are not limited to this.
固定架43包括若干个，若干固定架43分别固设于两条承载杆41远离加强筋板42的一侧，且沿对应承载杆41的长度方向错开分布，以便固定减振装置，也即固定架43的数量及减振装置的数量相同。在该具体实施例中，每个固定架43具体由两块直角三角形金属板及焊接于两直角三角形金属板底部的金属平板组成，且金属平板的设有用于容纳并固定减振装置一端的固定孔。本实施例中具体包含至少四个用于固定减振装置的固定架43，每两个固定架43分别焊接于其中一根承载杆41的两端，当然，固定架43的结构、数量及安装位置均不限于此。The fixing brackets 43 include a plurality of fixing brackets 43 which are respectively fixed on the two bearing rods 41 away from the reinforcing rib plate 42 and staggered along the length direction of the corresponding bearing rods 41 so as to fix the vibration damping device, that is, fixed. The number of frames 43 and the number of vibration damping devices are the same. In this specific embodiment, each fixing frame 43 is specifically composed of two right-angled triangular metal plates and a metal flat plate welded to the bottom of the two right-angled triangular metal plates, and the metal flat plate is provided with a fixing for receiving and fixing one end of the vibration damping device. hole. This embodiment specifically includes at least four fixing brackets 43 for fixing the vibration damping device, and each two fixing brackets 43 are respectively welded to two ends of one of the bearing rods 41. Of course, the structure, quantity and installation of the fixing brackets 43 The locations are not limited to this.
在该具体实施例中，牵引变压器还包括焊接于油箱21顶部的储油柜22，相对于现有的油箱21与储油柜22之间的连接方式，采用焊接的方式连接更有利于简化轨道交通车辆的结构，有利于实现轻量化、小型化；与此同时，采用焊接的方式连接有利于提升油箱21与储油柜22的连接强度，以防储油柜22因剧烈震动而相对于油箱21发生松动，有利于降低故障率，提升工作可靠性。当然，储油柜22的与油箱21的连接方式也可为螺栓连接等其他连接方式。需要指明的是，储油柜22的横截面面积优选小于油箱21的箱盖的横截面面积，且储油柜22与油箱21的外轮廓均位于车顶轮廓线1内。In this specific embodiment, the traction transformer further includes an oil storage tank 22 welded to the top of the oil tank 21. Compared with the existing connection method between the oil tank 21 and the oil storage tank 22, the connection by welding is more conducive to simplifying the track. The structure of the traffic vehicle is conducive to light weight and miniaturization; at the same time, the welding method is used to improve the strength of the connection between the fuel tank 21 and the oil storage tank 22, so as to prevent the oil storage tank 22 from being exposed to the fuel tank due to severe vibration. 21 loosening is conducive to reducing the failure rate and improving work reliability. Of course, the connection manner of the oil storage tank 22 and the fuel tank 21 may also be other connection manners such as bolt connection. It should be noted that the cross-sectional area of the oil storage tank 22 is preferably smaller than the cross-sectional area of the tank cover of the fuel tank 21, and the outer contours of the oil storage tank 22 and the fuel tank 21 are both located within the roof contour line 1.
为进一步优化牵引变压器的结构，本发明还包括位于两条承载杆41之间且安装于油箱21侧面的冷却装置23。具体地，油箱21和冷却装置23之间采用螺栓连接的方式固连在一起，有利于更进一步使轨道交通车辆的结构更紧凑，以实现轻量化和小型化，同时还能够增强冷却装置23与油箱21之间的连接强度，防止二者相对晃动，以降低故障率，有利于延长使用寿命，从而有效提升工作可靠性。优选地，冷却装置23的外轮廓也位于车顶轮廓线1内。In order to further optimize the structure of the traction transformer, the present invention further includes a cooling device 23 located between the two bearing rods 41 and installed on the side of the oil tank 21. Specifically, the fuel tank 21 and the cooling device 23 are fixedly connected together by using a bolt connection, which is beneficial to further make the structure of the rail transit vehicle more compact, so as to achieve light weight and miniaturization, and at the same time can also strengthen the cooling device 23 and The strength of the connection between the fuel tanks 21 prevents relative shaking between the two to reduce the failure rate, which is conducive to prolonging the service life, thereby effectively improving the working reliability. Preferably, the outer contour of the cooling device 23 is also located within the roof contour line 1.
冷却装置23还包括连接油管、冷却器和油泵，其中连接油管主要连接于油箱21与冷却装置23之间，油泵设于连接油管上，以便油泵驱动冷却液在油箱21与冷却器之间流通，通过热交换带走变压器油的热量，从而有效降低变压器油的温度。The cooling device 23 also includes a connecting oil pipe, a cooler and an oil pump, wherein the connecting oil pipe is mainly connected between the oil tank 21 and the cooling device 23, and the oil pump is provided on the connecting oil pipe so that the oil pump drives the coolant to circulate between the oil tank 21 and the cooler. The heat of the transformer oil is taken away by heat exchange, thereby effectively reducing the temperature of the transformer oil.
此外，需要指明的是，储油柜22的宽度和冷却装置23的宽度均小于油箱21的宽度，结合上述情况，使固定装置4与牵引变压器的外部轮廓完全被 包络于车顶轮廓线1内，以便保证轨道交通车辆安全行驶。In addition, it should be noted that the width of the oil storage tank 22 and the width of the cooling device 23 are smaller than the width of the fuel tank 21. In combination with the above, the external contours of the fixing device 4 and the traction transformer are completely enveloped by the roof contour line 1. Inside to ensure the safety of rail vehicles.
为提升牵引变压器的安全等级，更进一步延长牵引变压器的使用寿命，本发明还包括连接电缆和防护套，其中防护套数量若干，以便逐一地包覆于连接电缆的外周，防止连接电缆因日晒老化或雨雪侵蚀而损坏破裂，从而有效增强牵引变压器抵抗外界气候的能力，以降低牵引变压器的故障率，延长其使用寿命，提升工作可靠性。当然，防护方式不限于此。In order to improve the safety level of the traction transformer and further extend the service life of the traction transformer, the present invention also includes connecting cables and protective sleeves, in which the number of protective sleeves is several, so as to cover the outer periphery of the connecting cables one by one to prevent the connecting cables from being exposed to sunlight. Damage or rupture due to aging or rain and snow erosion, thereby effectively enhancing the ability of the traction transformer to resist the external climate, so as to reduce the failure rate of the traction transformer, prolong its service life, and improve its reliability. Of course, the protection method is not limited to this.
当然，牵引变压器的结构不限于此，其他相关部件具体可参照现有技术，在此不再赘述。Of course, the structure of the traction transformer is not limited to this. For other related components, reference may be made to the existing technology, and details are not described herein again.
以上对本发明所提供的轨道交通车辆进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。The rail vehicle provided by the present invention has been described in detail above. The principle and implementation of the present invention are explained using specific examples. The description of the above embodiments is only used to help understand the method of the present invention and its core ideas. At the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and the scope of application. In summary, the content of this description should not be construed as a limitation on the present invention.

Claims (7)

  1. 一种轨道交通车辆，包括车体和牵引变压器，其特征在于，所述牵引变压器固定于所述车体的顶部且所述牵引变压器的外部轮廓位于向远离所述车体底面的方向凸起的所述车顶轮廓线(1)内。A rail transit vehicle includes a vehicle body and a traction transformer, wherein the traction transformer is fixed on the top of the vehicle body and the outer contour of the traction transformer is located in a direction protruding away from the bottom surface of the vehicle body. Inside the roof contour line (1).
  2. 根据权利要求1所述的轨道交通车辆，其特征在于，还包括：The rail transit vehicle according to claim 1, further comprising:
    与所述车体的顶部相固连的支撑座(3)；A support seat (3) fixedly connected to the top of the vehicle body;
    与所述牵引变压器的底部相固连以支撑所述牵引变压器的固定装置(4)；A fixing device (4) fixedly connected to the bottom of the traction transformer to support the traction transformer;
    固连于所述支撑座(3)与所述固定装置(4)之间、用于缓冲振动的减振装置。A vibration damping device fixedly connected between the support base (3) and the fixing device (4) for buffering vibration.
  3. 根据权利要求2所述的轨道交通车辆，其特征在于，所述牵引变压器包括油箱(21)，所述固定装置(4)包括：The rail transit vehicle according to claim 2, wherein the traction transformer comprises a fuel tank (21), and the fixing device (4) comprises:
    两条分别位于所述油箱(21)两侧且沿所述车体的宽度方向错开分布的承载杆(41)；Two load-bearing rods (41) located on both sides of the fuel tank (21) and staggered along the width direction of the vehicle body;
    分别固定于两条承载杆(41)与所述油箱(21)之间的加强筋板(42)；Stiffener plates (42) respectively fixed between the two bearing rods (41) and the fuel tank (21);
    若干分别固设于两条所述承载杆(41)远离所述加强筋板(42)的一侧且沿对应所述承载杆(41)的长度方向错开分布、用于固定所述减振装置的固定架(43)。A plurality of fixing rods are respectively fixed to one side of the bearing rod (41) away from the reinforcing rib plate (42), and are staggered and distributed along the length direction corresponding to the bearing rod (41) for fixing the vibration damping device. Mounting bracket (43).
  4. 根据权利要求3所述的轨道交通车辆，其特征在于，所述牵引变压器还包括焊接于所述油箱(21)顶部的储油柜(22)。The rail transit vehicle according to claim 3, wherein the traction transformer further comprises an oil storage tank (22) welded to the top of the oil tank (21).
  5. 根据权利要求4所述的轨道交通车辆，其特征在于，所述牵引变压器还包括位于两条所述承载杆(41)之间且安装于所述油箱(21)侧面的冷却装置(23)。The rail transit vehicle according to claim 4, wherein the traction transformer further comprises a cooling device (23) located between the two load-bearing rods (41) and mounted on a side of the fuel tank (21).
  6. 根据权利要求5所述的轨道交通车辆，其特征在于，所述储油柜(22)的宽度和所述冷却装置(23)的宽度均小于所述油箱(21)的宽度，所述加强筋板(42)具体为直角梯形加强筋板，所述直角梯形加强筋板的斜边相对设置且延长线在所述油箱(21)的上方相交。The rail transit vehicle according to claim 5, wherein the width of the oil storage tank (22) and the width of the cooling device (23) are smaller than the width of the fuel tank (21), and the reinforcing ribs The plate (42) is specifically a right-angled trapezoidal stiffener plate, and the hypotenuse of the right-angled trapezoidal stiffener plate is oppositely disposed and the extension line intersects above the fuel tank (21).
  7. 根据权利要求6所述的轨道交通车辆，其特征在于，所述牵引变压器还包括连接电缆，以及包覆于所述连接电缆外周的防护套。The rail transit vehicle according to claim 6, wherein the traction transformer further comprises a connection cable, and a protective cover covering an outer periphery of the connection cable.
PCT/CN2018/104560 2018-08-20 2018-09-07 Rail transit vehicle WO2020037722A1 (en)

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Publication number Priority date Publication date Assignee Title
CN110428952B (en) * 2019-09-04 2024-07-05 中车株洲电机有限公司 Traction transformer and rail vehicle
CN115565752A (en) * 2022-11-08 2023-01-03 中车株洲电机有限公司 Traction transformer

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CN201538317U (en) * 2009-10-31 2010-08-04 中国北车集团大连机车研究所有限公司 Overhead cooling device
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CN106663520A (en) * 2014-09-12 2017-05-10 Abb瑞士股份有限公司 Traction transformer
CN108010670A (en) * 2017-12-12 2018-05-08 中车大连机车研究所有限公司 Tractive transformer cooling system used for rail vehicle based on phase-change heat-exchange technology

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DE4341574A1 (en) * 1993-02-27 1995-06-08 Goerlitz Waggonbau Gmbh Method of loading equipment in railway vehicle roof space
CN201538317U (en) * 2009-10-31 2010-08-04 中国北车集团大连机车研究所有限公司 Overhead cooling device
CN205113340U (en) * 2012-11-26 2016-03-30 西门子公司 Carriage parts and have carriage parts and device of settling assembly object above that
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CN105172809A (en) * 2015-09-10 2015-12-23 南车株洲电力机车有限公司 Rail vehicle and vehicle body thereof
CN108010670A (en) * 2017-12-12 2018-05-08 中车大连机车研究所有限公司 Tractive transformer cooling system used for rail vehicle based on phase-change heat-exchange technology

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RO135054B1 (en) 2023-09-29

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