EP0940315B1 - Bewegliche Trittstufe für Fahrzeuge - Google Patents
Bewegliche Trittstufe für Fahrzeuge Download PDFInfo
- Publication number
- EP0940315B1 EP0940315B1 EP98890060A EP98890060A EP0940315B1 EP 0940315 B1 EP0940315 B1 EP 0940315B1 EP 98890060 A EP98890060 A EP 98890060A EP 98890060 A EP98890060 A EP 98890060A EP 0940315 B1 EP0940315 B1 EP 0940315B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric motor
- hollow shaft
- spring
- movable step
- fold
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D23/00—Construction of steps for railway vehicles
- B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated
- B61D23/025—Folding steps for railway vehicles, e.g. hand or mechanically actuated electrically or fluid actuated
Definitions
- the invention relates to a movable step for Vehicles, in particular for passenger cars from Rail vehicles.
- Such movable steps are usually the lowest and therefore outermost on the vehicle and lie unprotected in the lower area of the body, so that they increased challenges from dirt and water spray and exposed to extreme temperatures. It is therefore necessary that these movable steps be robust and are designed to be as maintenance-free as possible while doing so work reliably. In addition to that, just in Area of entry and exit the space available in the lower Car body area is small, so that Drive mechanism and the entire movable step must be as compact as possible.
- a movable step designed as a folding step for vehicles that is opened by means of an electric motor against the force of a spring is known from DE-A1-43 37 683.
- the invention aims to provide such a door and Disadvantages of previously known devices avoid.
- a gear more preferably provided coaxially with the rotary shaft, which has the advantage of a small, relatively quick to be able to use rotating motor and also the Advantage that the holding effect of Armature brake is amplified by the gear, so that the Brake can be designed for much smaller forces can than it corresponds to the force of the return spring.
- an overload protection is provided, the for example, works as a friction clutch or in the case the occurrence of impermissible resistance torques The motor switches off.
- FIGS. 1 and 2 one is According to the invention constructed step, which in their Whole is designated by 1 around an axis 2 pivotable.
- the axis 2 is preferably a hollow shaft trained and carries one inside Torsion spring 4, which is installed so that the Actual, pivotable step 5 in the in Fig. 2nd Folded up position, drawn in dashed lines, urges.
- this folded up position corresponds to the state during of moving the vehicle.
- a motor 6 preferably an electric motor that is activated via a Gear 7 and an overload protection 8, the hollow shaft 3rd rotated against the force of the spring 4 until the in Fig. 1st shown pivoted position is reached.
- the step serves the position of those getting in and out Passengers.
- Armature brake 9 is provided, which is known per se and works as follows:
- the armature brake 9th activated, i.e. electricity flows through it and fixes the motor shaft, which is also the armature shaft is opposite the housing. Since this armature brake 9 itself is located on the motor side of the gearbox your holding force exerted by the gearbox (lack Movement without power) reinforces and prevents the Force of the torsion spring 4 the step 5 in the brought up position.
- the armature brake 9 of the motor 6 can be switched off.
- the armature brake 9 in contrast to Motor 6 can easily be designed so that it is a enduring constant current.
- Step intrinsically safe i.e. that it fails in the event of failure of the equipment has reached the safe position.
- the device according to the invention compact and can with (in example shown) eight screws or rivets on Car body to be attached. Because the space required for the Torsion spring 4 and the drive part, which in its Entire is denoted by 10 and preferably light soluble on the hollow shaft 3 or the support bracket 11 attachable and therefore easy to replace, is small, there is enough space around the width of the Adjust the step to the width of the entrance without that changes in these mechanically significant parts would be necessary. It can therefore always be the same Torsion springs 4 and always the same drive units 10 each on one side lengthwise to that to the Entrances adapted steps 5 can be mounted what warehousing and investment costs reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
Claims (6)
- Bewegliche Trittstufe (1) für Fahrzeuge, insbesondere für Personenwaggons von Schienenfahrzeugen, wobei die bewegliche Trittstufe als Klappstufe (5) ausgebildet ist, die mittels eines Elektromotors (6) gegen die Kraft einer sie in Einfahrrichtung beaufschlagenden Feder (4) geöffnet wird, dadurch gekennzeichnet, daß eine Ankerbremse (9) für den Elektromotor (6) vorgesehen ist, um die Klappstufe (5) in der geöffneten Lage zu halten, ohne den Elektromotor (6) bestromen zu müssen.
- Bewegliche Trittstufe (1) nach Anspruch 1, dadurch gekennzeichnet, daß die Feder (4) als Torsionsfeder ausgebildet ist und in der als Hohlwelle (2) ausgebildeten Drehachse der Klappstufe (5) untergebracht ist.
- Bewegliche Trittstufe nach Anspruch 2, dadurch gekennzeicnet, daß der Elektromotor (6), die Ankerbremse (9) und die Feder (4) koaxial zur Hohlwelle (2) angeordnet sind und bevorzugt im wesentlichen unterhalb der Klappstufe (5) in deren ausgeklappter Position liegen.
- Bewegliche Trittstufe (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Elektromotor (6) und der Hohlwelle (2) ein Getriebe (7), bevorzugt koaxial zur Hohlwelle, angeordnet ist.
- Bewegliche Trittstufe (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Getriebe (7) und der Hohlwelle (2) ein Überlastschutz (8), beispielsweise eine Reibungskupplung, angeordnet ist.
- Bewegliche Trittstufe nach Anspruch 5, dadurch gekennzeichnet, daß der Überlastschutz (8) im Falle des Auftretens unzulässiger Widerstandsdrehmomente zwischen dem Getriebe (7) und der Hohlwelle (2) den Elektromotor (6) stromlos schaltet.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98890060A EP0940315B1 (de) | 1998-03-05 | 1998-03-05 | Bewegliche Trittstufe für Fahrzeuge |
DE59809922T DE59809922D1 (de) | 1998-03-05 | 1998-03-05 | Bewegliche Trittstufe für Fahrzeuge |
AT98890060T ATE252010T1 (de) | 1998-03-05 | 1998-03-05 | Bewegliche trittstufe für fahrzeuge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98890060A EP0940315B1 (de) | 1998-03-05 | 1998-03-05 | Bewegliche Trittstufe für Fahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0940315A1 EP0940315A1 (de) | 1999-09-08 |
EP0940315B1 true EP0940315B1 (de) | 2003-10-15 |
Family
ID=8237152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98890060A Expired - Lifetime EP0940315B1 (de) | 1998-03-05 | 1998-03-05 | Bewegliche Trittstufe für Fahrzeuge |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0940315B1 (de) |
AT (1) | ATE252010T1 (de) |
DE (1) | DE59809922D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014113423A1 (de) | 2014-09-17 | 2016-03-17 | Bombardier Transportation Gmbh | Antriebseinheit für eine Trittstufe eines Schienenfahrzeugs, Trittstufeneinheit, sowie Schienenfahrzeug mit einer Trittstufeneinheit |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT412461B (de) * | 2002-04-02 | 2005-03-25 | Knorr Bremse Gmbh | Klappbare trittstufe für ein fahrzeug |
AT12967U1 (de) * | 2011-02-01 | 2013-03-15 | Siemens Ag Oesterreich | Klapptritt für ein schienenfahrzeug |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH663765A5 (en) * | 1984-07-04 | 1988-01-15 | Inventio Ag | Folding step for tram-car - contains torsion strip allowing step to tilt under load, independently of drive, in emergency |
AT406362B (de) * | 1993-10-22 | 2000-04-25 | Ife Gmbh | Bewegliche trittstufe für ein fahrzeug, insbesonders für ein schienenfahrzeug |
CH688998A5 (de) * | 1994-01-05 | 1998-07-15 | Siemens Sgp Verkehrstech Gmbh | Klapptritt. |
-
1998
- 1998-03-05 EP EP98890060A patent/EP0940315B1/de not_active Expired - Lifetime
- 1998-03-05 DE DE59809922T patent/DE59809922D1/de not_active Expired - Lifetime
- 1998-03-05 AT AT98890060T patent/ATE252010T1/de active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014113423A1 (de) | 2014-09-17 | 2016-03-17 | Bombardier Transportation Gmbh | Antriebseinheit für eine Trittstufe eines Schienenfahrzeugs, Trittstufeneinheit, sowie Schienenfahrzeug mit einer Trittstufeneinheit |
EP2998182A1 (de) | 2014-09-17 | 2016-03-23 | Bombardier Transportation GmbH | Antriebseinheit für eine trittstufe eines schienenfahrzeugs, trittstufeneinheit, sowie schienenfahrzeug mit einer trittstufeneinheit |
Also Published As
Publication number | Publication date |
---|---|
EP0940315A1 (de) | 1999-09-08 |
DE59809922D1 (de) | 2003-11-20 |
ATE252010T1 (de) | 2003-11-15 |
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