EP4126625A1 - Schienenfahrzeug mit kompressor - Google Patents
Schienenfahrzeug mit kompressorInfo
- Publication number
- EP4126625A1 EP4126625A1 EP21721878.3A EP21721878A EP4126625A1 EP 4126625 A1 EP4126625 A1 EP 4126625A1 EP 21721878 A EP21721878 A EP 21721878A EP 4126625 A1 EP4126625 A1 EP 4126625A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- gas
- rail vehicle
- housing
- slide 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.)
- Granted
Links
Classifications
-
- 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
Definitions
- the invention relates to rail vehicles with compressors.
- a rail vehicle in the form of a locomotive of the VR series Sr3 of the Finnish state railway VR-Yhtyze is known.
- the locomotive comprises at least one compressor which is arranged in a housing and is suitable for generating compressed air for the rail vehicle.
- a removal device based on rails and rollers enables the compressor to be moved horizontally or at least approximately horizontally - completely or at least with respect to a section of the compressor - out of the housing, for example for maintenance or repair purposes.
- the invention is based on the object of providing a rail vehicle of the type described with a view to a particularly simple moving out of the compressor from the housing, for example for repair or maintenance purposes.
- the withdrawal device is formed by a gas sliding bearing or at least also includes one that exerts a lifting force on the compressor when pressure is applied, in particular lifts the compressor, and enables or at least facilitates horizontal movement of the compressor.
- a major advantage of the rail vehicle according to the invention is the fact that the gas sliding bearing provided according to the invention enables the compressor to be removed from the housing in a particularly simple or energy-saving manner.
- Another essential advantage of the rail vehicle according to the invention is that the removal device can be very easily carried out through the gas slide bearing or bearings, compared to removal devices that are based solely on stable rollers and rails.
- Rollers or rails are not necessary for the removal device due to the existing gas sliding bearing (s); for additional guidance or security, however, these can also be provided if necessary.
- the removal device can have two or more sliding gas bearings.
- gas slide bearing lifts the compressor when pressurized with gas, forming a horizontal gap between the compressor and a lower support element of the gas slide bearing and the compressor in the raised state is supported by a gas cushion, in particular an air cushion, generated by the gas slide bearing will.
- the gas sliding bearing preferably has at least one horizontally or at least approximately horizontally (error angle preferably less than 10 °) arranged upper support element on which the compressor rests directly or indirectly.
- the gas slide bearing preferably also has a horizontally or at least approximately horizontally arranged, housing-fixed lower support element on which the at least one upper support element rests if the gas slide bearing is not subjected to pressure or is insufficiently pressurized.
- a pressurizable cavity is preferably formed between the at least one upper and the lower Trä gerelement.
- the pressurizable cavity is preferably dimensioned such that when the gas sliding bearing is pressurized with a predetermined operating pressure, the at least one upper carrier element and thus the compressor are lifted from the lower carrier element.
- the operating pressure for the gas plain bearing preferably corresponds to the working pressure of the compressor or the working pressure of a compressed air reservoir of the rail vehicle that is fed or fed by the compressor - in normal operation;
- the compressed air reservoir of the rail vehicle can advantageously first be filled with the compressor before the compressor is removed from the housing and the compressed air stored in the compressed air reservoir can then be used to remove the compressor.
- the at least one upper carrier element has a concave recess on its side facing the lower carrier element, which is given by an annular support section, and if there is no or too little pressure, the annular support section on the lower one Trä gerelement rests and the concave recess together with the annular support portion and the surface of the lower carrier element opposite the concave recess delimits the pressurizable cavity.
- a gas connection is preferably arranged, which a pressurization supply of the cavity with gas, especially compressed air, made light possible.
- a flexible hose is connected to a gas connection of the upper support element, the length of the hose being dimensioned so large that the upper support element starting from a loading drive position within the housing can be moved so far out of the housing that the compressor located on it is outside the housing.
- the gas connection is preferably connected to a compressed air reservoir of the rail vehicle via a valve.
- the compressor By opening the valve, the compressor can be raised in a simple manner.
- the compressed air reservoir of the rail vehicle can be filled with compressed air from the compressor before it is removed from the housing.
- a throttle is preferably used to limit the air flow into the gas slide bearing by means of an air flow-dependent pressure drop at the throttle in such a way that a horizontal gap between the carrier elements is within a specified tolerance range for a specified pressure range of the gas flow flowing into the gas slide bearing.
- Said pressure range preferably corresponds to the working pressure range of the compressor and / or the working pressure range of the compressed air reservoir of the rail vehicle used to feed the gas slide bearing.
- a gas connection which enables a flexible hose to be connected to an external compressed air source, is preferably arranged on the upper support element.
- the lower support element preferably has a stop interface, which enables a preferably mobile auxiliary support plate to be placed flush against the lower support element.
- a preferably mobile auxiliary support plate to be placed flush against the lower support element.
- the auxiliary carrier plate is preferably firmly mounted on the lower carrier element and / or on the housing before the compressor is moved towards it or is placed on it.
- the size of the auxiliary carrier plate is preferably at least as large as the compressor, so that the auxiliary carrier plate can accommodate the compressor completely outside the housing.
- the mobile auxiliary carrier plate can be formed, for example, by a detachable or foldable assembly table which is only assembled or set up for maintenance purposes and placed against the stop interface.
- the compressor can rest directly on the upper support element of the gas sliding bearing. Alternatively, it can be provided in an advantageous manner that the compressor is separated from the upper support element by one or more spring elements in order to reduce the transmission of vibrations between the vehicle and the compressor and vice versa.
- the gas slide bearing comprises two or more upper support elements, for example to increase the load-bearing capacity, which are each carried by the same lower support element when the gas slide bearing is inactive or not acted upon by compressed air, and each for carrying of the compressor.
- the invention also relates to a method for moving a compressor which is suitable for generating compressed air for a rail vehicle, the compressor being moved in or out of a housing within the rail vehicle.
- a gas slide bearing is acted upon with gas pressure, in particular air pressure, and a lifting force is exerted on the compressor and by the lifting force moving the compressor in or out of the housing is facilitated.
- the compressor in the raised to stand by a gas cushion generated by the gas slide bearing, in particular air cushion is carried and the compressor is moved horizontally in the raised state on the gas cushion, be it into the housing or out of it.
- the gas slide bearing has at least one horizontally or at least approximately horizontally arranged upper support element on which the compressor rests directly or indirectly, the gas slide bearing has a horizontally or at least approximately horizontally arranged lower support element fixed to the housing, which has a stop interface, a mobile auxiliary carrier plate is placed flush with the lower carrier element in such a way that the lower carrier element and the auxiliary carrier plate are aligned and together form a horizontal or at least approximately horizontal sliding plane on which the lifted compressor is movable, and a pressurizable cavity, the top of the upper support element and the bottom depending on the position of the obe Ren support element solely from the lower support element, al lein from the auxiliary carrier plate or together from the lower carrier element and the auxiliary carrier plate limited w ird, is acted upon with a gas pressure and thereby the upper Trä gerelement and thus the compressor are raised to form a gas cushion and then the upper Trä gerelement on the gas cushion into the housing and thus in the direction of the lower
- the compressors can be moved on the gas slide bearing in the longitudinal and / or transverse direction of the vehicle.
- FIG. 1 shows, in a schematic view from the side, components of an exemplary embodiment for a rail vehicle according to the invention, in which compressors are each supported by a gas slide bearing, FIG. 1 showing the compressors in their operating position within a common housing,
- FIG. 2 shows the rail vehicle according to FIG. 1 after placing a mobile auxiliary carrier plate
- FIG. 3 shows the rail vehicle according to FIG. 1 when it is removed because of a raised compressor
- FIG. 4 shows the rail vehicle according to FIG. 1 after putting the compressor on the auxiliary carrier plate outside the housing
- FIG. 5 components of a first exemplary embodiment for a gas slide bearing suitable for the rail vehicle according to FIGS. 1 to 4 in greater detail
- FIG. 6 shows, in a schematic view along the longitudinal direction of the vehicle, the compressor raised with the gas slide bearing according to FIG. 5, Fig. 7-9 the moving out of the compressor by means of the
- FIG. 10 components of a second exemplary embodiment for a gas sliding bearing suitable for the rail vehicle according to FIGS. 1 to 4 in a plan view from above,
- FIG. 11 shows components of the second exemplary embodiment according to FIG. 10 in a schematic cross section
- Fig. 12-14 in a schematic plan view from above Be components of an embodiment for a rail vehicle according to the invention, in which the compressors can be shifted transversely to the longitudinal direction of the vehicle.
- FIG. 1 shows a schematic side view of components of an exemplary embodiment for a rail vehicle 10 according to the invention.
- a housing 20 can be seen in which two compressors 30 and 31 are accommodated.
- the two compressors 30 and 31 are each located on an assigned gas slide bearing 40, which comprises a housing-fixed lower Trä gerelement 41 and an upper, relative to the lower Trä gerelement 41 movable carrier element 42.
- FIG. 2 shows the auxiliary carrier plate 50 adjoining the stop edge 411.
- the gas slide bearing 40 which is assigned to the compressor 30, is acted upon with compressed air, so that the upper support element 42 and thus the compressor 30 are raised along the Z direction.
- the lifting creates an air cushion between the upper Trä gerelement 42 and the lower carrier element 41, on which the upper carrier element 42 and thus the compressor 30 along the X direction (z. B. vehicle longitudinal direction) and thus in the direction of the Auxiliary carrier plate 50 can be pulled out of the housing 20.
- FIG. 4 shows the upper support element 42 and the compressor 30 after it has been pulled completely out of the housing 20 and the pressurization of the gas slide bearing 40 has been terminated.
- the upper carrier element 42 now rests partly on the auxiliary carrier plate 50 and partly on the lower carrier element 41.
- the compressor 30 is located completely outside the housing 20 and can now be serviced or repaired.
- FIG. 5 shows components of a first exemplary embodiment for the gas sliding bearing 40 according to FIGS. 1 to 4 in a schematic cross section.
- the upper carrier element 42 has a concave recess 421 which is delimited on the outside by an annular support section 422.
- the annular support section 442 rests on the lower carrier element 41 and, with this and the concave recess 421, delimits a cavity 43 (cf. FIG. 6) to which compressed air D can be applied.
- the introduction of compressed air D into the cavity 43 is preferably done via a gas connection 423 which is arranged in the upper support element 42.
- FIG. 6 shows a view along the vehicle X direction.
- the cavity 43 in the upper gas slide bearing 40 can be seen, which is connected to a flexible hose 80 via the gas connection 423, which in turn connects the gas slide bearing 40 with a throttle 90, a valve 100 and a compressed air reservoir 110.
- valve 100 If the valve 100 is opened, compressed air D is passed from the compressed air reservoir 110 via the throttle 90 into the cavity 43, which results in an overpressure in the cavity 43 and a lifting of the upper support element 42 and thus also of the compressor 30. Subsequently, the upper carrier element 42 is carried by an air cushion between the upper carrier element 42 and the lower carrier element 41, whereby there is a horizontal gap 120 between the two carrier elements 41 and 42.
- the throttle 90 is used to limit the air flow by an air flow-dependent pressure drop at the throttle in such a way that the horizontal gap 120 between the carrier elements 41 and 42 lies in a wide pressure range of the compressed air D within a predetermined tolerance range.
- FIG. 7 shows, in a plan view from above, the compressor 30 and the gas slide bearing 40 which carries the compressor 30.
- the auxiliary carrier plate 50 is first attached to the stop edge 411 of the lower carrier element 41, as shown in FIG.
- FIG. 9 shows, the gas slide bearing 40 is acted upon with compressed air D, as a result of which the upper support element 42 is raised and carried by the air cushion 70 according to FIG.
- the upper carrier plate 42 with the compressor 30 can then be placed on the air cushion 70 in the vehicle X direction can be pulled or pushed out of the housing 20, as is also shown in FIG.
- the compressors 30 and 31 rest directly on the upper carrier element 42 of their respectively associated gas slide bearing 40.
- the compressors are separated from the upper support element 42 by spring elements in order to reduce the transmission of vibrations between the vehicle and the compressor and vice versa.
- FIG. 10 shows an exemplary embodiment for a sliding gas bearing 40 which comprises two upper support elements 42a and 42b, which are each carried by the same lower support element 41 when the sliding gas bearing 40 is inactive or not acted upon by compressed air.
- the compressor 30 does not rest directly on the two upper support elements 42a and 42b, but rather via four intermediate members 130 and four Federele elements 140 which mechanically decouple the compressor 30 from the gas slide bearing 40 below it.
- FIG. 11 shows the exemplary embodiment according to FIG. 10 in a schematic cross-sectional illustration.
- the spring elements 140 can be seen which carry the compressor 30 together with the inter mediate members 130.
- the above statements in connection with FIGS. 1 to 10 apply accordingly to the exemplary embodiment according to FIGS. 11 and 12;
- the two upper carrier elements 42a and 42b can be designed like the upper carrier element 42 in the gas sliding bearing 40 according to FIGS. 5 and 6.
- the gas slide bearings 40 are preferably fixed by means of screw connections 150 that secure the upper carrier or carriers. Screw gerelements 42, 42a, 42b tightly onto the lower support element 41 of the gas slide bearing 40; Such screw connections 150 are shown by way of example in FIG. 6 for the lower plain bearing 40 carrying the compressor 31.
- the compressed air reservoir 110 is - during normal operation of the rail vehicle and normal operation of the compressors 30 and 31 - preferably connected to at least one of the two compressors and is fed with compressed air D by this or these.
- the compressed air D stored in the compressed air reservoir 110 can then be used to activate the gas slide bearings 40 when the compressors 30 or 31 are to be removed from the housing 20 for maintenance or repair.
- the compressors are preferably used to feed the source that enables later lifting by means of the gas slide bearings.
- compressed air from an external compressed air source can also be fed into the gas sliding bearing, for example when the compressed air reservoir 110 is empty.
- FIGS. 1 to 11 an excerpt or a movement of the compressors 30 and 31 in the vehicle longitudinal direction or the X direction was explained by way of example.
- an extract can also be made in the transverse direction of the vehicle, i.e. in the Y direction. This is shown by way of example in FIGS.
- FIGS. 12 to 14 can be designed as was explained in detail above in connection with FIGS. 1 to 11.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Prevention Devices (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020206206.4A DE102020206206A1 (de) | 2020-05-18 | 2020-05-18 | Schienenfahrzeug mit Kompressor |
| PCT/EP2021/060014 WO2021233616A1 (de) | 2020-05-18 | 2021-04-19 | Schienenfahrzeug mit kompressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4126625A1 true EP4126625A1 (de) | 2023-02-08 |
| EP4126625B1 EP4126625B1 (de) | 2023-12-13 |
Family
ID=75690263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21721878.3A Active EP4126625B1 (de) | 2020-05-18 | 2021-04-19 | Schienenfahrzeug mit kompressor |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4126625B1 (de) |
| DE (1) | DE102020206206A1 (de) |
| ES (1) | ES2973026T3 (de) |
| HU (1) | HUE066155T2 (de) |
| PL (1) | PL4126625T3 (de) |
| WO (1) | WO2021233616A1 (de) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2099747A (en) * | 1936-06-04 | 1937-11-23 | Waukesha Motor Co | Air conditioning means |
| US2497785A (en) * | 1947-06-02 | 1950-02-14 | Waukesha Motor Co | Mounting structure and extension tracks for mechanical units |
| US4496194A (en) | 1981-07-31 | 1985-01-29 | Optimetrix Corporation | Gas bearing |
| JPS60255569A (ja) * | 1984-06-01 | 1985-12-17 | 株式会社日立製作所 | 空気圧縮装置の床下収納箱 |
| DE3421618A1 (de) | 1984-06-09 | 1985-12-12 | Werner Dipl.-Ing.(FH) 8300 Altdorf Mengelkamp | Luftkissenfahrzeug fuer raumzellen, insbesondere container |
| DE9100213U1 (de) | 1991-01-09 | 1991-03-28 | Siemens AG, 8000 München | Roboter mit Sockel |
| DE19835254A1 (de) | 1998-08-04 | 2000-02-17 | Siemens Ag | Medizinische Einrichtung |
| JP4279091B2 (ja) * | 2003-08-29 | 2009-06-17 | 三菱電機株式会社 | 車両用空気圧縮装置 |
| JP6432938B2 (ja) * | 2014-12-25 | 2018-12-05 | 三菱重工エンジニアリング株式会社 | 取付構造、及び鉄道用車両 |
| CN204659724U (zh) * | 2015-04-03 | 2015-09-23 | 上海航天设备制造总厂 | 一种电池斗的快速固定装置 |
| CA3000455A1 (en) * | 2015-09-29 | 2017-04-06 | Verail Technologies, Inc. | Locomotives |
| DE102018211861A1 (de) | 2018-07-17 | 2020-01-23 | Siemens Aktiengesellschaft | Anordnung zur Positionierung eines Transformators in einem Schienenfahrzeug |
-
2020
- 2020-05-18 DE DE102020206206.4A patent/DE102020206206A1/de not_active Withdrawn
-
2021
- 2021-04-19 EP EP21721878.3A patent/EP4126625B1/de active Active
- 2021-04-19 ES ES21721878T patent/ES2973026T3/es active Active
- 2021-04-19 WO PCT/EP2021/060014 patent/WO2021233616A1/de not_active Ceased
- 2021-04-19 HU HUE21721878A patent/HUE066155T2/hu unknown
- 2021-04-19 PL PL21721878.3T patent/PL4126625T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020206206A1 (de) | 2021-11-18 |
| ES2973026T3 (es) | 2024-06-18 |
| WO2021233616A1 (de) | 2021-11-25 |
| EP4126625B1 (de) | 2023-12-13 |
| HUE066155T2 (hu) | 2024-07-28 |
| PL4126625T3 (pl) | 2024-04-29 |
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