WO2020241997A1 - Système de train de roues à jauge variable pour véhicule ferroviaire - Google Patents

Système de train de roues à jauge variable pour véhicule ferroviaire Download PDF

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Publication number
WO2020241997A1
WO2020241997A1 PCT/KR2019/018209 KR2019018209W WO2020241997A1 WO 2020241997 A1 WO2020241997 A1 WO 2020241997A1 KR 2019018209 W KR2019018209 W KR 2019018209W WO 2020241997 A1 WO2020241997 A1 WO 2020241997A1
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WO
WIPO (PCT)
Prior art keywords
pressure cylinder
flange
gauge
variable
cylinder
Prior art date
Application number
PCT/KR2019/018209
Other languages
English (en)
Korean (ko)
Inventor
문형석
나희승
박정준
장승호
Original Assignee
한국철도기술연구원
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 한국철도기술연구원 filed Critical 한국철도기술연구원
Priority to RU2020114897A priority Critical patent/RU2760037C2/ru
Priority to CN201980005667.1A priority patent/CN112313138B/zh
Publication of WO2020241997A1 publication Critical patent/WO2020241997A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/02—Dead axles, i.e. not transmitting torque
    • B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/02—Dead axles, i.e. not transmitting torque
    • B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
    • B60B35/1072—Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements
    • B60B35/109—Dead axles, i.e. not transmitting torque adjustable for varying track by transversally movable elements the element is an axle part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F7/00—Rail vehicles equipped for use on tracks of different width

Definitions

  • the present invention relates to a variable gauge wheel shaft system for a railroad vehicle, and more particularly, with a simple configuration, it is possible to prevent the eccentricity of the flange due to the force applied to the flange from the latch release rail in the variable gauge section, thereby reducing the reliability of the gauge variable and It relates to a variable gauge wheel shaft system for railroad vehicles to improve stability.
  • Korean Patent Publication No. 10-0614613 discloses a variable gauge wheel shaft system for railroad vehicles, and the main technical configurations thereof are an axle 1, a wheel 2, an axle 1 as shown in FIG. )
  • Fixed cap (3) fitted around the fixing cap (3) and rotating in a circumferential direction to move the wheel (2) left and right (4), the right side of the fixing cap (3)
  • Flange (5) coupled to the end of the locking mechanism (4) locking and unlocking
  • the spring holder (6) coupled to the left end of the fixing cap (3) and between the flange (5) and the spring holder (6)
  • It consists of including a compression spring (7) installed in.
  • the flange 5 located inside the wheel 2 is applied to the force of the compression spring 7 in order to fix the distance between the wheels 2 when traveling on a track having the same width. By this, it is fixed in a state pushed toward the center of the axle 1.
  • the flange (5) When traveling from a gage with the same width to a track with a gage of a different width, the flange (5) is pushed outward along the axle (1) by the brace release rail while passing through the ground conversion facility equipped with the release rail, and the locking mechanism (4) ) Is configured to be able to change the position of the fixed wheel (2).
  • the flange (5) which receives force by the latch release rail, has a thin disk shape, so when a force is applied to the flange (5) during release, the flange (5) moves outward along the axle (1).
  • an eccentric phenomenon in the flange 5 that is, a phenomenon in which the flange 5 cannot be maintained perpendicular to the axle 1 and is inclined occurs, and accordingly, a problem arises that the unlocking is not properly performed.
  • the present invention has been conceived to solve the above problems, and an object of the present invention is to prevent the eccentricity of the flange due to the force applied to the flange from the lifting rail in the variable gauge section, thereby improving the reliability and stability of the gauge variable. It is to provide a variable gauge wheel shaft system for railway vehicles that can be improved.
  • another object of the present invention is to provide a variable gauge wheel shaft system for railroad vehicles in which a pressure cylinder and a support cylinder are provided between a wheel and a flange to provide an installation space for a brake disk and a traction device installed on the axle.
  • Another object of the present invention is to provide a gauge variable wheel shaft system for railroad vehicles that is easy to maintain when an abnormality occurs in the gauge variable device by separating the pressure cylinder and the support cylinder to consist of two pieces.
  • the present invention for solving this problem is;
  • the gauge variable wheel shaft system for railway vehicles comprising a spring holder coupled to the other end of the fixing cap and a compression spring installed between the flange and the spring holder, the gauge is variable by being coupled to surround the outer edge of the flange It characterized in that it comprises a pressure cylinder that transmits the force applied by the release rail to the flange, and a support cylinder that is coupled to the spring holder and supports the outer surface of the pressure cylinder to prevent eccentricity of the flange and the pressure cylinder. do.
  • the pressure cylinder is formed in a hollow cylindrical shape in which one end is bent inward, and the other end is installed to face the outside of the axle, and the support cylinder is formed in a hollow cylindrical shape in which the other end is bent inward. It is characterized in that the one end is installed to face the center direction of the axle and configured to support the outer surface of the pressure cylinder.
  • first and second gear units having gear teeth corresponding to each other in the longitudinal direction are provided on the outer circumferential surface of the other end of the pressure cylinder and the inner circumferential surface of one end of the support cylinder, so that the pressure cylinder and the support cylinder are geared together. It features.
  • the thickness ratio of the pressure cylinder and the support cylinder is characterized in that 1: 2 ⁇ 3.
  • a movement limiting portion for restricting movement of the pressure cylinder is protruded on an outer surface of the support cylinder.
  • the pressure cylinder and the support cylinder is characterized in that it is configured to be separated into two pieces.
  • the present invention it is possible to improve the reliability of the gage variable by preventing the eccentricity of the flange due to the force applied to the flange from the offshore rail in the gage variable section, thereby improving the driving stability in the gage variable section. It can have an excellent effect.
  • a pressure cylinder and a support cylinder that can prevent the eccentricity of the flange can be installed between the wheel and the flange, so that the installation space for a braking disk, a traction device, etc. installed in the center of the axle of the variable gauge wheel It has an additional effect that allows it to be provided.
  • FIG. 1 is a view showing a conventional automatic gauge conversion wheel axis system.
  • Figure 2 is a cross-sectional view showing a variable gauge wheel shaft system for a railroad vehicle according to the present invention.
  • Figure 3 is an exploded perspective view showing a pressure cylinder and a support cylinder in the gauge variable wheel shaft system for a railroad vehicle according to the present invention.
  • FIGS. 4 and 5 are diagrams showing another embodiment of a gauge variable wheel shaft system for a railway vehicle according to the present invention.
  • Figure 2 is a cross-sectional view showing a variable gauge wheel shaft system for a railroad vehicle according to the present invention
  • Figure 3 is an exploded perspective view showing a pressure cylinder and a support cylinder among the variable gauge wheel shaft system for a railroad vehicle according to the present invention
  • Figures 4 and 5 It is a view showing another embodiment of the variable gauge wheel shaft system for a railroad vehicle according to the present invention.
  • the present invention has a simple configuration to prevent the eccentricity of the flange due to the force applied to the flange from the catch release rail in the variable gauge section, thereby improving the reliability and stability of the gauge variable gauge variable wheel shaft system for railroad vehicles.
  • the configuration of the gauge variable wheel shaft system 100 for a railway vehicle according to the present invention is largely axle 110, wheel 120, fixed cap 130, locking mechanism 140, flange as shown in Figure 2 (150), a spring holder 160, a compression spring 170, a pressure cylinder 210 and a support cylinder 220, including.
  • the gauge variable wheel shaft system 100 for a railroad vehicle is configured to adjust the interval between the wheels 120 provided at both ends of the axle 110 to correspond to the variable gauge, and the fixed
  • the cap 130 is fixedly coupled to both ends of the axle 110 to prevent the flange 150 from being separated and at the same time serve to allow the flange 150 to rotate integrally with the axle 110
  • the locking mechanism 140 is fitted around the fixing cap 130 and rotates in a circumferential direction to selectively limit the movement of the wheel 110 in the left and right directions, and the flange 150 ) Is coupled to the end of the axle in the center direction of the fixing cap 130 and is moved to the left and right by the release rail 50 installed on the ground and a compression spring 170 to be described later to unlock the locking mechanism 140 Or it serves to restrain.
  • the spring holder 160 is coupled to the outer end of the axle of the fixing cap 130 to fix and support the compression spring 170, and the compression spring 170 includes a flange 150 and a spring. It is inserted and installed between the holders 160 and serves to return the flange 150 to its original position by the restoring force.
  • the pressure cylinder 210 is coupled to surround the outer rim portion of the flange 150 and serves to transmit the force applied by contact with the unlocking rail in the gage variable section to the flange 150, It consists of a hollow cylindrical shape with both ends open.
  • the pressure cylinder 210 is formed in a hollow cylindrical shape with one end bent inward, so that the bent portion is a portion of the inner rim of the flange 150, that is, toward the center direction of the axle 110. It is configured to surround the edge portion of the surface and is fastened and fixed by a fastening means (not shown) such as a bolt, and the other end of the pressure cylinder 210 faces the outer direction of the axle 110, that is, the wheel 120 direction. It is installed to cover the flange 150.
  • the support cylinder 220 is connected and installed between the spring holder 160 and the pressure cylinder 210, so that when the pressure cylinder 210 is pressed by a release rail (not shown), the pressure cylinder 210 And to prevent the occurrence of eccentricity in the flange 150, the other end, that is, the end in the direction of the wheel 120 is formed in a hollow cylindrical shape bent inward, and the bent portion is spring holder 160 It is configured to surround the outer edge portion of the outer surface, that is, the edge portion of the surface facing the wheel 120 direction, and is fastened and fixed by a fastening means (not shown) such as bolts.
  • one end of the support cylinder 220 is installed to face the center direction of the axle 110 and is configured to insert the other end of the pressure cylinder 210 to the outside thereof, and accordingly, the support cylinder 220 ) Of the outer surface is able to support the inner surface of the pressure cylinder (210).
  • the pressure cylinder 210 is configured to surround the flange 150 according to the variable gauge wheel shaft system 100 for a railroad vehicle according to the present invention.
  • the pressure cylinder 210 and the support cylinder 220 for preventing eccentricity of the flange 150 are not installed inside the flange 150, that is, in the center direction of the axle 110, but the flange 150 ), because it is installed at the edges of both sides of the axle 110, there is also an advantage of securing sufficient space to install devices such as a braking disk or a traction gear installed in the center of the axle 110.
  • the inner circumferential surface of the other end of the pressure cylinder 210, and the outer circumferential surface of one end of the support cylinder 220 is a longitudinal direction, that is, a plurality of shapes corresponding to each other in the axle 110 direction.
  • the first and second gear portions 212 and 222 are provided with gear teeth 212a and 222a, respectively, and the pressure cylinder 210 is coupled to the outside of the support cylinder 220, the first and second gear portions 212 and 222 ) Are configured to fit together.
  • the first and second gear portions 212 and 222 respectively formed on the pressure cylinder 210 and the support cylinder 220 are Since they serve as guides to each other, not only can the pressure cylinder 210 move in the longitudinal direction of the axle 110, that is, in the wheel 120 direction, but also the axle of the pressure cylinder 210 ( 110) Since movement or rotation in other directions except for movement in the longitudinal direction is restricted, the driving of the locking mechanism 140 by the flange 150 can be made more accurately.
  • the thickness ratio between the thickness of the pressure cylinder 210 and the thickness of the support cylinder 220 is 1: 2 ⁇ 3 It is preferable that this is to improve the support force of the support cylinder 220 for preventing the flange 150 from being eccentric.
  • the movement limiting portion 224 may be formed protruding on the outer surface of the support cylinder 220 There, the movement limiting unit 224 serves to prevent the pressure cylinder 210 from being pushed outward of the axle 110 more than necessary due to the pressure by the release rail 50 in the gage variable section.
  • the movement limiting unit 224 may be separated into a plurality of pieces and installed at regular intervals.
  • a support part 214 may be protruded on the inner surface of one end of the pressure cylinder 210, and the support part 214 is, as shown in FIG.
  • the support part 214 has the effect of additionally preventing the eccentricity of the flange 150 by supporting the outer edge portion of the flange 150, that is, the edge portion of the surface facing the wheel 120 direction. .
  • the pressure cylinder 210 and the support cylinder 220 may be divided in a lengthwise direction to be separated into two pieces each, which is a variable gauge wheel shaft system according to the present invention ( It is to facilitate maintenance of 100).
  • the eccentricity of the flange 150 due to the force applied to the flange 150 by the offshore rail 50 in the gauge variable section The reliability and stability of the gage can be improved by making it possible to prevent, and the pressure cylinder 210 and the support cylinder 220 are provided between the wheel 120 and the flange 150 to be installed on the axle 110
  • the pressure cylinder 210 and the support cylinder 220 are provided between the wheel 120 and the flange 150 to be installed on the axle 110
  • an abnormality in the gauge variable device by separating the pressure cylinder 210 and the support cylinder 220 so as to consist of two pieces, as well as providing an installation space for the braking disk and the traction device. It has various advantages, such as making maintenance easy.
  • the present invention relates to a variable gauge wheel shaft system for a railroad vehicle, and more particularly, with a simple configuration, it is possible to prevent the eccentricity of the flange due to the force applied to the flange from the latch release rail in the variable gauge section, thereby reducing the reliability of the gauge variable and It relates to a variable gauge wheel shaft system for railroad vehicles to improve stability.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Springs (AREA)

Abstract

L'invention concerne un système de train de roues à jauge variable pour un véhicule ferroviaire et, plus particulièrement, un système de train de roues à jauge variable pour un véhicule ferroviaire, apte à empêcher, par une configuration simple, l'excentricité d'une bride causée par une force appliquée sur ladite bride par un rail de déverrouillage dans une partie à jauge variable, ce qui améliore la fiabilité et la stabilité d'une variation de jauge.
PCT/KR2019/018209 2019-05-24 2019-12-20 Système de train de roues à jauge variable pour véhicule ferroviaire WO2020241997A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2020114897A RU2760037C2 (ru) 2019-05-24 2019-12-20 Система изменения ширины колесных пар для железнодорожного транспортного средства
CN201980005667.1A CN112313138B (zh) 2019-05-24 2019-12-20 铁路车辆用可调轨距轮轴系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0061218 2019-05-24
KR1020190061218A KR102202252B1 (ko) 2019-05-24 2019-05-24 철도차량용 궤간가변 윤축 시스템

Publications (1)

Publication Number Publication Date
WO2020241997A1 true WO2020241997A1 (fr) 2020-12-03

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ID=73552892

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Application Number Title Priority Date Filing Date
PCT/KR2019/018209 WO2020241997A1 (fr) 2019-05-24 2019-12-20 Système de train de roues à jauge variable pour véhicule ferroviaire

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Country Link
KR (1) KR102202252B1 (fr)
CN (1) CN112313138B (fr)
RU (1) RU2760037C2 (fr)
WO (1) WO2020241997A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102502995B1 (ko) * 2021-02-05 2023-02-27 한국철도기술연구원 산악철도차량용 주행 시스템
KR20230040428A (ko) 2021-09-15 2023-03-23 한국철도기술연구원 철도차량의 궤간가변 편심방지구조

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787814A (en) * 1996-04-17 1998-08-04 Patentes Talgo, S.A. Railway axle assembly furnished with automatic change of track gauge and adaptable to conventional freight bogies
EP0873930B1 (fr) * 1997-04-21 2001-11-21 RADSATZFABRIK ILSENBURG GmbH Joue de roues pour véhiclues ferroviaires permettant le changement d'écartement
KR100614613B1 (ko) * 2005-01-27 2006-08-21 한국철도기술연구원 자동 궤간변환 윤축시스템
KR100708485B1 (ko) * 2005-12-12 2007-04-18 한국철도기술연구원 철도차량용 궤간 가변 장치 덮개
CN109532920A (zh) * 2018-11-29 2019-03-29 中车青岛四方机车车辆股份有限公司 一种变轨距轮对及变轨距转向架

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU479667A1 (ru) * 1973-01-03 1975-08-05 Уральский Вагоностроительный Завод Им.Ф.Э.Дзержинского Раздвижна колесна пара
RU2221720C2 (ru) * 2001-10-15 2004-01-20 Гимадиев Фарит Шайхиевич Устройство для перевода колесных пар с колеи 1520 на 1435 мм
KR100799338B1 (ko) 2006-10-19 2008-01-30 한국철도기술연구원 철도차량용 궤간 가변 윤축시스템 및 궤간 가변 레일
CN206397913U (zh) * 2016-12-23 2017-08-11 宁波恒源轴业有限公司 传动轴
CN206774444U (zh) * 2017-04-24 2017-12-19 平高集团有限公司 高压开关用传动限位装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787814A (en) * 1996-04-17 1998-08-04 Patentes Talgo, S.A. Railway axle assembly furnished with automatic change of track gauge and adaptable to conventional freight bogies
EP0873930B1 (fr) * 1997-04-21 2001-11-21 RADSATZFABRIK ILSENBURG GmbH Joue de roues pour véhiclues ferroviaires permettant le changement d'écartement
KR100614613B1 (ko) * 2005-01-27 2006-08-21 한국철도기술연구원 자동 궤간변환 윤축시스템
KR100708485B1 (ko) * 2005-12-12 2007-04-18 한국철도기술연구원 철도차량용 궤간 가변 장치 덮개
CN109532920A (zh) * 2018-11-29 2019-03-29 中车青岛四方机车车辆股份有限公司 一种变轨距轮对及变轨距转向架

Also Published As

Publication number Publication date
CN112313138B (zh) 2023-06-02
CN112313138A (zh) 2021-02-02
RU2020114897A (ru) 2021-10-27
KR20200135664A (ko) 2020-12-03
KR102202252B1 (ko) 2021-01-14
RU2760037C2 (ru) 2021-11-22
RU2020114897A3 (fr) 2021-10-27

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