EP3490865A1 - Radsatzgetriebe und verfahren zur montage - Google Patents
Radsatzgetriebe und verfahren zur montageInfo
- Publication number
- EP3490865A1 EP3490865A1 EP17731508.2A EP17731508A EP3490865A1 EP 3490865 A1 EP3490865 A1 EP 3490865A1 EP 17731508 A EP17731508 A EP 17731508A EP 3490865 A1 EP3490865 A1 EP 3490865A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- shaft
- drive
- input shaft
- bearing
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
- B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
Definitions
- the invention relates to a wheelset for a rail vehicle comprising a transmission housing, an input shaft connected to a first gear and an output shaft connected to a second gear, wherein the first gear and the second gear are at least indirectly so in mechanical operative connection that power from the input shaft the output shaft can be transmitted and wherein the input shaft is mounted in the housing via at least one rear-side bearing and at least one drive-side bearing.
- the invention relates to a method for removing the input shaft of such a gearbox.
- a final gear is a special mechanical gear that is arranged in the bogie of a rail vehicle to transmit the drive power to a wheelset. It can be present in a bogie and several wheelset if multiple sets of wheels are driven.
- Wheelsets are known for example from DE 102007031891 A1. Shown are two-stage gearboxes in spur / bevel gear for a longitudinal drive. When longitudinal drive, the input shaft is in a plane perpendicular to the axle.
- the housing of the wheelset is designed in two parts with a horizontal parting line, the lower part, among other things serves as a pan for the oil sump.
- the object of the invention is therefore to further develop a corresponding wheelset transmission and a method for disassembling the final drive so that a faster and easier maintenance is possible.
- the object of the device is achieved by a gearbox according to claim 1. Further advantageous features of the embodiment according to the invention, which further improve the device, can be found in the corresponding subclaims.
- the gearbox according to the invention is designed so that a mounting support ring between the outer ring of the drive-side bearing and the housing is present, wherein the mounting support ring is fixed to the housing and is designed so that the input shaft - after loosening the attachment between mounting ring and housing - together with the drive side bearing and can be removed as a unit from the housing with the first gear.
- Such a construction is also called cartridge construction.
- the attachment of the mounting ring on the housing is preferably designed as a screw. So it is easy to solve. The unit can be removed from the housing to the drive side.
- a part, for example, the inner ring of the rear bearing with the input shaft can be removed together as a unit.
- the rear bearing or the remaining part thereof can also be easily removed and replaced after removal of the unit described.
- the mounting support ring may also be present between the outer ring of the rear bearing and the housing.
- the input shaft can then just as described above just expanded to the rear side instead of the drive side.
- the final gear and the mounting ring is designed so that the input shaft can be removed together with the rear bearing and the first gear from the housing.
- the remaining part of the drive-side bearing can still be removed at the end.
- the mounting ring should be so large in diameter that the existing on the shaft first gear fits through the corresponding opening in the transmission housing.
- dowel pins and / or mating surfaces may be present.
- the main advantage of the inventive solution is that the special design of storage with a mounting ring in the housing disassembly of the input shaft including complete drive-side storage is possible as a unit. And that happens without having to remove the wheel set with the final gearbox from the bogie.
- connection between the drive train and input shaft is first released, then the torque arm, with which the gear is supported in the bogie, then released the gearbox down and then solved the connection between mounting ring and gearbox.
- the bearings of the input shaft can now be easily exchanged in the workshop. Due to the easier disassembly much less time is needed.
- this so-called simplified main investigation can be done on a simple pit, since the wheel sets remain installed in the bogie.
- the maintenance time can be shortened even further, if after dismantling a prepared replacement module for the unit of input shaft and drive-side mounting of the wheelset is installed. Then you have to not even waiting to change the bearings.
- a simplified main inspection, in which neither the wheel disks nor the output side bearings, so the bearings of the output shaft, must be replaced, can thus be done in a few hours instead of two to three days.
- the bearings of the input shaft are usually smaller in diameter and also rotate faster, they usually have to be changed or maintained more frequently because of the lower load capacity than the bearings of the output shaft and more often than the wheel discs.
- the input shaft can be brought into driving connection with a drive train, for example via a compensating coupling.
- the drive train of the rail vehicle has, for example, an engine, a manual transmission and a reversing transmission.
- the output shaft can preferably be formed directly by the wheelset shaft, but alternatively, it can also be designed as a hollow shaft, which can be connected to the wheel set shaft - for example via a link coupling.
- gearbox side bearing the bearing of the respective shaft are meant, which are arranged in the transmission.
- bearings may also be present on a shaft outside the gearbox housing. For example, when the output shaft is formed by the wheelset shaft.
- a particularly compact design of the wheelset is obtained when the output shaft is formed directly by the axle.
- the output shaft can be designed as a hollow shaft, which can be brought into driving connection with a wheel set shaft. It can be connected, for example via link couplings or other couplings on the axle.
- the invention can be used when the input shaft and output shaft are parallel to each other. Then, the Radsatzgetriebe can easily be rotated around the output shaft after loosening the torque arm and the connection to the drive train, without further components must be removed. With certain adjustments, the inventive solution can also be applied to wheelset in longitudinal drive design so with a bevel gear.
- the bearing As a rear bearing the bearing is considered, which is arranged facing away from the drive from the perspective of the gear on the shaft. Between the back and the drive side of the housing are the side surfaces.
- the one or more drive side bearings are assigned to the side towards the drive.
- Mounted in the housing means that the shaft is supported in the housing and can rotate relative to the housing. The support does not have to be made by direct contact, but can also be done via intermediate parts between the outer ring of the bearing and a corresponding housing surface.
- the invention can be applied when the bearing of the input shaft is designed with two tapered roller bearings in an X arrangement.
- the input shaft can then be removed together with the drive-side bearing and with the inner ring of the rear bearing.
- the remainder of the rear bearing is also easily replaced after the unit is removed from the housing.
- storage is alternatively carried out as fixed-lot storage, there is a floating bearing on the back, eg a cylinder bearing and on the drive side a floating bearing, eg a cylinder bearing, as well as an additional four-point bearing, eg a ball bearing.
- the mounting support ring is designed so that it is also present between the outer ring of the additional drive-side bearing and the housing, so that the input shaft can be removed with the entire drive-side mounting as a unit.
- the solution can be applied when the final gear is designed in one stage and thus has an input shaft and an output shaft, which are directly engaged via the respectively associated gear wheels. An intermediate shaft is not available.
- an intermediate shaft is present, which is connected to a first intermediate gear and a second intermediate gear, via which the power is transmitted from the input shaft to the output shaft.
- the drive-side part of the wheelset can be removed without the whole gearset and thus the wheelset must be removed from the rail vehicle.
- the intermediate shaft together with the drive-side bearing and at least one of the intermediate gears can also be removed as a unit from the housing.
- a further mounting support ring is provided, which is provided between the outer ring of the drive-side bearing of the intermediate shaft and the housing, and which is fixed to the housing.
- the mounting support ring may be designed as a cover, which additionally covers the mounting opening for the intermediate shaft.
- a cover may be provided on the housing, which covers a further opening, which is dimensioned so that through them the larger of the Intermediate gears can be removed from the housing when the intermediate shaft with the other idler gear is removed previously.
- this cover is arranged on a side surface of the housing between the drive side and the rear side. And in particular, the cover is arranged so that the intermediate gear is moved during removal by the corresponding opening to this cover in a direction substantially perpendicular to its normal axis of rotation.
- the object of the method is achieved by an embodiment according to claim 1 1. Further advantageous features which further improve the method and simplify the maintenance or adapt it to other transmission designs can be found in the corresponding subclaims below.
- the method according to the invention comprises the following steps:
- the inventive method can also be used advantageously.
- the drive-side mounting of the intermediate shaft must also be listed in so-called cartridge design with another mounting ring between the outer ring of the drive-side bearing and the housing.
- FIG.1 Schematic view of a wheelset with a single-stage gearbox according to the invention
- FIG.2 Schematic view of a wheelset with a two-speed gearbox according to the invention
- Fig.7 view from the drive side of a two-stage gearbox according to the invention
- a wheel with a single-stage final drive 1 is shown in plan view.
- the drive train starting from the traction motor and possibly with manual transmission and reverse gear is not shown, nor the bogie in which the wheelset is installed.
- On the input shaft 3, a clutch for connection to the drive train is shown.
- On the input shaft 3, which is mounted in the transmission housing 2 ( 2a + 2b), the first gear 6 is rotatably mounted. This is engaged with the second gear 7, which is rotatably mounted on the output shaft 4.
- the output shaft 4 is formed in this case directly by the wheelset shaft.
- the wheelset two wheel discs 5 are mounted.
- the output shaft could also be a hollow shaft which is in driving connection with the wheelset shaft via a coupling.
- the input shaft 3 and the output shaft 4 are arranged parallel to each other. That is, the final gear 1 is designed with a so-called transverse drive.
- the existing bearings and the mounting ring are not explicitly shown in this illustration.
- the final transmission 1 can be pivoted from the operating installation position down.
- the input shaft can be removed as a unit with the first gear 6 and the drive-side bearings, as well as the mounting ring, without the wheelset and the wheelset must be removed from the bogie.
- the rail vehicle can thus continue to stand on the wheelsets, so that maintenance can be done for example on a simple pit.
- the input shaft 3 can be re-installed as a unit with the first gear 6 and the drive-side bearings, and the mounting ring and the final gear 1 again fully assembled and connected to the drive train. Maintenance is much faster than with previous wheelset transmissions possible.
- the diameter of the bearings on the output shaft 4 is larger than that of the bearings on the input shaft 3, since the output side bearings are determined by the diameter of the output shaft 4 and are often oversized. This also explains why the output side bearing on the output shaft 4 must be replaced less frequently than the drive-side bearings on the input shaft. 3
- a replacement unit for the input shaft 3 with first gear and already exchanged bearings and mounting ring can be prepared so that it can be installed directly after removal of the input shaft 3 again.
- the final gear 1 is quickly complete again and the assembly can be completed without having to wait for the bearing replacement.
- the overhaul of the bearings in the removed gear part can then be done in peace in the workshop, so that again for the next maintenance downtime an exchange module is available.
- FIG. 2 shows analogously a wheel set with a two-stage wheel set transmission 1 'according to the invention.
- the first gear 6 ' which is fixed to the input shaft 3', not directly engaged with the second gear 7 ', which is mounted on the output shaft 4'.
- the intermediate shaft 10 In between is the intermediate shaft 10, via which the power transmission takes place with the aid of the intermediate gears 8 and 9 mounted on it.
- the output shaft 4 ' is formed directly by the wheelset shaft on which the two wheel discs 5 are mounted.
- input shaft 3 'and wheelset shaft 4' are parallel to each other.
- the existing bearings of the different shaft, and the mounting ring on the input shaft and the other mounting ring on the intermediate shaft are not shown explicitly.
- the mounting ring 20 On the drive side of the mounting ring 20 between the outer ring of the drive-side bearing 12 and the housing 2 is present.
- the mounting ring is fastened to the housing via screwed connections. If these fittings are released, the input shaft 3 can be removed as a unit together with the first gear 6, the drive-side bearing 12, and the mounting ring 20 from the housing 2.
- the inner ring of the rear bearing 1 1 is removed with this unit.
- a labyrinth ring 22 is provided to cover the bearing 12. This labyrinth ring 22 could possibly also be designed as a unit with the mounting ring 20.
- FIG 4 shows an alternative storage of the input shaft 3 ', which is also suitable for single-stage or two-stage gearbox.
- the rear bearing 1 1 a is a cylindrical roller bearing, in turn covered with a bearing cap 21st
- the drive-side mounting has a cylindrical roller bearing 12a and an additional four-point bearing 13a, which is designed as a ball bearing.
- the mounting ring 20a is formed so as to be disposed between the outer rings of both drive-side bearings 12a, 13a and the housing 2 '.
- the mounting ring is again secured by screws on the housing 2 'and sealed with a labyrinth ring 22 to the input shaft 3'.
- Fig. 5 shows a variant for the storage of the intermediate shaft 10 is shown in a two-stage wheelset. With the intermediate shaft 10, the first intermediate gear 8 'and the second intermediate gear 9' is connected. The storage in the housing 2 'via the rear bearing 14 and the drive-side bearing 15. Both are executed here as a cylindrical roller bearing.
- the further mounting ring 23 is arranged so that it comes to rest between the outer ring of the drive-side bearing 15 and the housing 2 '.
- This mounting ring 23 is in turn secured with screws on the housing 2 '. To remove the intermediate shaft 10, this screw is released. Then, the intermediate shaft 10 can be pulled out as a unit with the second intermediate gear 9 'and the drive-side bearing 15 and the other mounting ring 23.
- the larger first intermediate gear 8 'initially remains in the housing 2' and can be removed, for example, via a further opening, not shown, in the side surface of the housing.
- FIG. 6 illustrates a two-stage gearbox in which the units of the input shaft 3 'and the intermediate shaft 10 are being removed.
- the housing 2 In the housing 2 'remains the output shaft 4', which is formed here directly by the wheelset shaft, with their storage 16, 17 and with the mounted on the output shaft second gear 7 '.
- the first intermediate gear 8 ' is shown in the housing.
- the bearing of the output shaft is covered with bearing caps 24,25.
- the dismounted unit of the input shaft 3 ' has the first gear 6', the complete drive-side bearing 12a, 13a with mounting ring 20, and the labyrinth ring 22 and the inner ring of the rear bearing 1 1 a. After removal of the unit and the rear bearing 1 1 a is accessible. For particularly quick maintenance, an appropriately prepared replacement unit can be reinstalled.
- the storage of the intermediate shaft 10 is carried out in cartridge design.
- This unit has, in addition to the intermediate shaft 10, the second intermediate gear 9 ' and the anthebs workede bearing 15 with the other mounting ring 23.
- the rear bearing 14 can also be removed after removal of the unit. Again, due to the ease of removal, a quick maintenance of the transmission is possible.
- both shafts can be easily disassembled as units with the storage, it is particularly advantageous.
- Fig. 7 shows the two-stage gearset from the drive side. Via the input shaft 3 ', it is connected to a drive train, for example to a motor. The power is transmitted to the intermediate shaft 10 via the first gear 6 '(concealed) engaged with the second idler gear 9'. And from there on the larger first intermediate gear 8 ', which is in engagement with the second gear 7', further transmitted to the output shaft 4 '.
- the gear is gripped by the housing 2 'in the side surface of the housing 2' is an opening through which the larger intermediate gear 8 'can be removed from the housing when the intermediate shaft 10 is removed. This opening is closed by the lid 2a.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016213997.5A DE102016213997A1 (de) | 2016-07-29 | 2016-07-29 | Radsatzgetriebe und Verfahren zur Montage |
| PCT/EP2017/064217 WO2018019460A1 (de) | 2016-07-29 | 2017-06-12 | Radsatzgetriebe und verfahren zur montage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3490865A1 true EP3490865A1 (de) | 2019-06-05 |
Family
ID=59091488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17731508.2A Withdrawn EP3490865A1 (de) | 2016-07-29 | 2017-06-12 | Radsatzgetriebe und verfahren zur montage |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3490865A1 (de) |
| CN (1) | CN109562767A (de) |
| DE (1) | DE102016213997A1 (de) |
| WO (1) | WO2018019460A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202018105790U1 (de) * | 2018-10-10 | 2018-11-09 | Voith Patent Gmbh | Radsatzgetriebe mit Abdichtung |
| CN109595257B (zh) * | 2019-01-15 | 2024-03-12 | 中国石油大学(华东) | 组合式高温高压高速密封轴承 |
| EP3973210A1 (de) * | 2019-07-09 | 2022-03-30 | hofer powertrain innovation GmbH | Doppelgetriebe |
| DE102020104345A1 (de) * | 2020-02-19 | 2021-02-25 | Voith Patent Gmbh | Radsatzgetriebe |
| CN115539579A (zh) * | 2022-10-26 | 2022-12-30 | 连云港金核铸造厂 | 一种农用机械齿轮箱 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2233697A1 (de) * | 1972-07-05 | 1974-01-24 | Siemens Ag | Getriebekasten fuer schienenfahrzeuge |
| GB8821870D0 (en) * | 1988-09-06 | 1988-10-19 | Brown David Corp Plc | Gearbox |
| JPH0674552U (ja) * | 1993-03-30 | 1994-10-21 | 住友金属工業株式会社 | 鉄道車両用歯車装置の軸封装置 |
| DE19704304A1 (de) * | 1997-02-06 | 1998-08-13 | Voith Turbo Kg | Hydrodynamischer Retarder mit axial verschiebbarem Stator und/oder Rotor |
| JP2001336616A (ja) * | 2000-05-26 | 2001-12-07 | Sumitomo Metal Ind Ltd | 鉄道車両用歯車装置 |
| DE10225708B4 (de) * | 2002-06-10 | 2007-09-06 | Siemens Ag | Getriebegehäuse eines Schienenfahrzeugs |
| DE102007031891A1 (de) | 2007-07-09 | 2009-01-22 | Voith Patent Gmbh | Drehgestell für ein Schienenfahrzeug, das einen Antrieb aufweist |
| AT505902B1 (de) * | 2007-10-31 | 2009-05-15 | Siemens Transportation Systems | Drehgestell für eine lokomotive mit achsreitend angeordneten getrieben |
| CN201901157U (zh) * | 2010-12-07 | 2011-07-20 | 南车株洲电力机车有限公司 | 一种齿轮箱 |
| CN102009663B (zh) * | 2010-12-20 | 2012-07-18 | 南车戚墅堰机车车辆工艺研究所有限公司 | 城轨车辆齿轮箱密封结构 |
| DE102011011867A1 (de) * | 2011-02-21 | 2012-08-23 | Voith Patent Gmbh | Getriebe für einen Schienfahrzeugantriebsstrang |
| KR20160038054A (ko) * | 2013-08-02 | 2016-04-06 | 도요덴키 세이조 가부시키가이샤 | 평행 카르단 구동방식의 철도차량용 치차장치 |
| WO2015198544A1 (ja) * | 2014-06-27 | 2015-12-30 | 東洋電機製造株式会社 | 歯車装置の分解方法 |
| CN204533372U (zh) * | 2015-03-30 | 2015-08-05 | 湖北威能达传动有限责任公司 | 一种车轴齿轮箱 |
-
2016
- 2016-07-29 DE DE102016213997.5A patent/DE102016213997A1/de not_active Withdrawn
-
2017
- 2017-06-12 WO PCT/EP2017/064217 patent/WO2018019460A1/de not_active Ceased
- 2017-06-12 EP EP17731508.2A patent/EP3490865A1/de not_active Withdrawn
- 2017-06-12 CN CN201780045518.9A patent/CN109562767A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016213997A1 (de) | 2018-02-01 |
| CN109562767A (zh) | 2019-04-02 |
| WO2018019460A1 (de) | 2018-02-01 |
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Effective date: 20190924 |