EP2390155B1 - Displaceable rolling bogie for railway vehicles - Google Patents

Displaceable rolling bogie for railway vehicles Download PDF

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Publication number
EP2390155B1
EP2390155B1 EP11167987.4A EP11167987A EP2390155B1 EP 2390155 B1 EP2390155 B1 EP 2390155B1 EP 11167987 A EP11167987 A EP 11167987A EP 2390155 B1 EP2390155 B1 EP 2390155B1
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EP
European Patent Office
Prior art keywords
axle body
bushing
railway vehicles
wheel
locking
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.)
Active
Application number
EP11167987.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2390155A1 (en
Inventor
Hilario Sobejano Bienzobas
Nicolas Angel Moliner Loriente
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.)
Construcciones y Auxiliar de Ferrocarriles SA CAF
Original Assignee
Construcciones y Auxiliar de Ferrocarriles SA CAF
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.)
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Application filed by Construcciones y Auxiliar de Ferrocarriles SA CAF filed Critical Construcciones y Auxiliar de Ferrocarriles SA CAF
Priority to PL11167987T priority Critical patent/PL2390155T3/pl
Publication of EP2390155A1 publication Critical patent/EP2390155A1/en
Application granted granted Critical
Publication of EP2390155B1 publication Critical patent/EP2390155B1/en
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Classifications

    • 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 the railway sector, providing a displaceable rolling bogie for railway vehicles capable of adapting to the gauge of the track automatically.
  • the rolling bogies of railway vehicles incorporate the corresponding axles on which the wheels which move on the two rails forming the railway track are mounted. These wheels are separated from one another by a distance defined by the distance between the rails of the tracks along which it will move.
  • variable gauge rolling bogies in which the change of track gauge is done automatically have been developed, this being the field to which the present invention is limited.
  • the solution proposed by the present invention has been designed to achieve an automatic change of track gauge in bogies of railway vehicles, including both electric and diesel self-driven as well as towed vehicles which may reach service speeds up to 300 km/h and axle loads up to 22.5 Tm., these values are given as the indication of the high performance required but not in a limiting sense.
  • the present invention relates to displaceable rolling bogie for railway vehicles according to claim 1.
  • the locking system is by gravity, taking advantage of the vehicle weight itself to ensure that the locking pins fixing the position of the wheels are maintained in their sockets in the end support boxes.
  • the object of the present invention is a variable gauge rolling bogie, which, as seen in Figures 1 and 2 , has a rotating axle body (1).
  • the corresponding transmission (2) in the case of driving bogies, the braking discs (3) and the rolling members formed by the wheels (4).
  • the corresponding bogie frame is assembled through the end support boxes (10) and the primary suspension (13) made from a pack of helical springs located on the upper part of the support box (10) and responsible for transmitting the vertical loads.
  • the transmission (2) directly drives the axle body (1), providing it with torque and rotation speed necessary for its movement.
  • the wheels (4) are mounted on to the axle body (1) with the radial clearance necessary to allow the transverse movement thereof on said axle body (1), this enabling the positioning of such wheels (4), according to the distance required by the separation between the rails (15) of the track along which it will drive.
  • Both wheels (4) are driven by the axle body (1) through respective couplings (5) which transmit the torque and the rotation to the wheels (4) for the different possible relative axial positions of said wheels (4) along the axle body (1).
  • Each coupling (5) as seen in Figures 4 , 6 and 8 , has three parts identified with the references (5a, 5b and 5c) which interact with one another by means of two conjugated gearing pairs formed therein.
  • the inner most part (5a) is locked onto the axle body (1), being solid with it, and has an outer gearing through which it meshes with an intermediate spacer which is the part (5b), which part in turn meshes with an outer bushing which is the part (5c) that is flanged at the wheel (4).
  • the rotating axle body (1) drives the wheels (4) in rotation, for any relative axial position between the latter and the former.
  • the two gearing pairs are curved cogs, to be able to absorb the possible misalignments between the axle body (1) and the axles of the wheels (4).
  • the couplings (5) are assembled on the outer side of the wheels (4), identified as the grips side, leaving the central part of the axle body (1) free for assembling the demultiplier of the transmission (2) and the braking discs (3).
  • each wheel (4) on the axle body (1) is established by means of mounting axial bearings (6), arranged on the outer part (5c) of the coupling (5).
  • Each bearing (6) is housed in a locking bushing (7), which is a non-rotating piece.
  • These bearings (6) support the wheel (4) - rail (15) transverse forces, these forces being finally absorbed in the support boxes (10).
  • Each locking bushing (7) determines respective symmetrical arm-like cantilever expansions (7a) escorting the axle body (1) in diametric opposite position.
  • a locking pin (11) In the free end of each expansion (7a) is arranged a locking pin (11).
  • each wheel (4) along the axle body (1) With the penetration of the two locking pins (11) of each locking bushing (7) into one or the other of the two pairs of sockets (16) of the end support box (10), the two possible transverse positions of each wheel (4) along the axle body (1) are fixed to be able to thus condition the distance between the wheels (4) to the two different track gauges.
  • the locking pins (11) determine lower expansions (11a) establishing both a guiding action and stopping action in the transverse movements of the wheels (4) when the lower expansions (11a) are displaced along openings existing in the end support box (10).
  • bearings (8) In the ends of the rotary axle body (1) known as grips are assembled bearings (8) on which the support boxes (10) rest, transmitting the vertical load of the vehicle towards the track. These bearings (8) are axially immobilized with respect to the axle body (1) and on each of them is mounted a sleeve (9) which allows fixing the axle body (1) to the support box (10), maintaining the relative distance between both support boxes (10) and, therefore, between the two wheels (4), see Figures 1 and 2 .
  • each sleeve (9) determines respective arms (9a) which, as seen in Figure 9 , are extended symmetrically in diametric opposite position with respect to the axle body (1).
  • a locking pin (12) In each of these arms (9a) is assembled a locking pin (12); such that, in correspondence with each locking pin (12), there is a socket (17) solid with the support box (10).
  • each end support box (10) comprises, as seen in Figure 1 , a sheave (14) in correspondence with an additional rail (18), see Figure 2 .
  • Figure 13 depicts the fixed installation on the ground, for changing the track gauge.
  • This installation comprises: a downwardly inclined track sector (15a) with the current track gauge (15); the additional rail (18); two deflector guides (19) which are responsible for bringing each wheel (4) to its position for the new track gauge once they have been unlocked, and an upwardly inclined track sector (15b) with the new track gauge (15c).
  • the operation for changing track gauge is the following: the unit goes through the installation for changing track gauge at low speed driven by its own traction equipment.
  • the wheels (4) move over the rolling rail (15) which starts a progressive downward inclination in the sector identified with the reference (15a); so that it will reach a time where the end support boxes (10) are supported throught the sheave (14), by the additional rail (18).
  • the axle body (1) starts dropping until the separation existing between the support box (10) and the sleeve (9) is consumed, the axle body (1) thus being completely unloaded, at which time the rail of the downwardly inclined track (15a) disappears.
  • the anchoring pins (11) come out of one of the two pairs of sockets (16) in the body of the support box (10); so that the wheels (4) are unlocked and, therefore, with freedom for transverse movement along the axle body (1).
  • the deflector guides (19) bring the wheels (4) to their position for the new track gauge and, when the wheels (4) are duly positioned, the rail (15b) with the new track gauge and with an upwardly inclined ramp path appears, forcing the axle body (1) to rise vertically until reaching a point in which the locking pins (11) have already penetrated into the other pair of sockets (16), fixing the wheels (4) in this new position of track gauge, as seen in Figures 3 , 5 and 7 .
  • the locking pins (12) have, on their lower part, a threaded shank (12b) with a bushing (12a); such that when the body of the axle (1) drops by gravity, it lowers the sleeve (9) with its arms (9a) and the set of locking pin (12), threaded shank (12b) and bushing (12a), with a guided movement with respect to the end support box (10), such that during the entire process of automatic change of track gauge, the position between the axle body (1) and the support boxes (10) is thus fixed and therefore the position of the support boxes to one another (10) is fixed.
  • FIGs 3 , 5 and 7 show how the sockets (16 and 17) are determined by bushing-like parts identified with the references (16a and 17a), respectively.
  • the sockets (16) are closed top-wise by covers (22); so that between these covers (22) and each bushing (16a) extend springs (20).
  • the sockets (17) are closed top-wise by covers (23), between which covers and the bushings (17a) extend springs identified with the reference (21), see Figure 9 .
  • both the bushings (16a) and (17a) are mounted according to a floating arrangement, which allows compensating different degrees of penetration of the pins (11 and 12) into said bushings (16a and 17a).
  • each end support box (10) incorporates, in its lower part, a safety latch.
  • each safety latch is formed by a pivoting lever (24) provided with a skid (25) intended to slide, either on the additional rail (18) itself or on a rail attached thereto.
  • a rotation of the lever (24) is established against the action of a torsion spring which maintains it in a stable position, in which a bolt (26) prevents the lowering movement of the bushing (9) with respect to the support box (10).
  • the rotation of the lever (24) against the action of the torsion spring also causes the rotation of the bolt (26) which is thus brought to an unlocking position.
  • the bolt (26) is removed from its normal position by the change installation itself, upon sliding the skid (25) on the corresponding rail and it is brought to the unlocking position, thus only then allowing the drop of the axle body (1).
  • the bolt (26) prevents the drop of the axle body (1) in driving conditions and in case a wheel accidentally loses all the vertical load of the vehicle gravitating thereon.
  • a proximity sensor which will verify the opening and closing sequence of the bolt (26) has been foreseen for the purpose of ensuring that the throught the bolt (26) is adequately locked after its passage through the installation for changing the track gauge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Rolling Contact Bearings (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Vehicle Body Suspensions (AREA)
  • Bearings For Parts Moving Linearly (AREA)
EP11167987.4A 2010-05-28 2011-05-27 Displaceable rolling bogie for railway vehicles Active EP2390155B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11167987T PL2390155T3 (pl) 2010-05-28 2011-05-27 Przemieszczalny wózek toczny do pojazdów szynowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201000693A ES2348895B1 (es) 2010-05-28 2010-05-28 Bogie de rodadura desplazable, para vehiculos ferroviarios.

Publications (2)

Publication Number Publication Date
EP2390155A1 EP2390155A1 (en) 2011-11-30
EP2390155B1 true EP2390155B1 (en) 2018-11-14

Family

ID=43414081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11167987.4A Active EP2390155B1 (en) 2010-05-28 2011-05-27 Displaceable rolling bogie for railway vehicles

Country Status (6)

Country Link
EP (1) EP2390155B1 (ru)
ES (2) ES2348895B1 (ru)
PL (1) PL2390155T3 (ru)
PT (1) PT2390155T (ru)
RU (1) RU2567679C2 (ru)
UA (1) UA105189C2 (ru)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6446293B2 (ja) * 2015-03-06 2018-12-26 川崎重工業株式会社 鉄道車両の軌間可変台車
CN106740964B (zh) * 2016-12-07 2019-05-03 中车株洲电力机车有限公司 一种变轨距轮对及其锁紧机构
CN107697093B (zh) * 2017-09-01 2019-04-09 中车唐山机车车辆有限公司 一种应用于变轨距转向架的锁匙组件
CN107757653A (zh) * 2017-11-23 2018-03-06 中车长春轨道客车股份有限公司 用于实现准‑宽轨距转换的车轮滑移装置
CN107757650A (zh) * 2017-11-23 2018-03-06 中车长春轨道客车股份有限公司 准‑窄轨距转换的高速动车组动力轮对轴箱装置
CN108909356B (zh) * 2018-07-05 2020-06-02 中车青岛四方机车车辆股份有限公司 一种变轨距轮对用锁紧机构及变轨距轮对
WO2020007074A1 (zh) * 2018-07-05 2020-01-09 中车青岛四方机车车辆股份有限公司 用于变轨距列车的轮对
CN111071277B (zh) * 2018-10-19 2021-05-04 中车唐山机车车辆有限公司 轮对、转向架及轨道车辆
CN113830123B (zh) * 2021-11-11 2023-05-02 中车株洲电力机车有限公司 一种轨道车辆变轨距转向架用轮对及转向架
CN115383720B (zh) * 2022-09-28 2023-05-16 华珑(沈阳)智能电气有限公司 耐酸雾轨道巡检机器人

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DE244007C (de) * 1910-06-16 1912-02-28 Guiseppe Vitulli Montaruli Lager- und Führungsrolle für Eisenbahnfahrzeuge
BE456025A (ru) * 1943-02-13
NL127301C (ru) * 1962-04-07 1900-01-01
SU479667A1 (ru) * 1973-01-03 1975-08-05 Уральский Вагоностроительный Завод Им.Ф.Э.Дзержинского Раздвижна колесна пара
BG25275A1 (en) * 1977-03-18 1978-09-15 Idarov Ga An axle shaft for differnt wheel bases
JP2876096B2 (ja) * 1992-11-06 1999-03-31 川崎重工業株式会社 台車のゲージ変更方法および可変ゲージ台車ならびにゲージ変更設備
JP3893187B2 (ja) * 1997-04-22 2007-03-14 財団法人鉄道総合技術研究所 鉄道車両用軌間可変台車
JP3335889B2 (ja) * 1997-09-18 2002-10-21 財団法人鉄道総合技術研究所 鉄道車両用軌間可変台車
ES2151871B1 (es) * 1999-07-02 2001-05-16 Construcciones Y Aux De Ferroc Bogie de rodadura de ancho variable autopropulsado.
ES2184538B2 (es) * 1999-10-05 2005-05-01 Construcciones Y Auxiliar De Ferrocarriles, S.A. -Caf- Bogie de rodadura de ancho variable.
JP4897357B2 (ja) 2006-05-29 2012-03-14 株式会社東芝 軌間可変台車用ロックシステム
ES2346945B1 (es) 2008-04-29 2011-12-23 Patentes Talgo, S.L. Bogie de ancho variable con ejes giratorios e instalacion fija para cambio de ancho de via.
UA46424U (ru) * 2009-06-01 2009-12-25 Восточноукраинский Национальный Университет Имени Владимира Даля Раздвижная колесная пара железнодорожного подвижного состава

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Also Published As

Publication number Publication date
ES2710629T3 (es) 2019-04-26
ES2348895B1 (es) 2011-08-16
PT2390155T (pt) 2019-02-25
PL2390155T3 (pl) 2019-07-31
EP2390155A1 (en) 2011-11-30
ES2348895A1 (es) 2010-12-16
UA105189C2 (ru) 2014-04-25
RU2011121697A (ru) 2012-12-10
RU2567679C2 (ru) 2015-11-10

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