EP0307770B1 - Vorrichtung zur Lenkmoment-Kompensation - Google Patents

Vorrichtung zur Lenkmoment-Kompensation Download PDF

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Publication number
EP0307770B1
EP0307770B1 EP88114564A EP88114564A EP0307770B1 EP 0307770 B1 EP0307770 B1 EP 0307770B1 EP 88114564 A EP88114564 A EP 88114564A EP 88114564 A EP88114564 A EP 88114564A EP 0307770 B1 EP0307770 B1 EP 0307770B1
Authority
EP
European Patent Office
Prior art keywords
wheel
steering
internal gear
supported
axle
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
Application number
EP88114564A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0307770A2 (de
EP0307770A3 (en
Inventor
Fritz Prof. Dr.-Ing. Frederich
Heinrich Dr.-Ing. Potthoff
Josef Ing. Kunnen
Werner Dipl.-Ing. Brand
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.)
Duewag AG
Bergische Stahl Industrie
Original Assignee
Duewag AG
Bergische Stahl Industrie
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 Duewag AG, Bergische Stahl Industrie filed Critical Duewag AG
Priority to AT88114564T priority Critical patent/ATE90046T1/de
Publication of EP0307770A2 publication Critical patent/EP0307770A2/de
Publication of EP0307770A3 publication Critical patent/EP0307770A3/de
Application granted granted Critical
Publication of EP0307770B1 publication Critical patent/EP0307770B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
    • B61C15/14—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels controlling distribution of tractive effort between driving wheels

Definitions

  • EP-A-0 135 877 From EP-A-0 135 877 (FIG. 2), individually steerable, steerable wheels are known in a rail vehicle, a transverse distance between the point of contact of the respective wheel with the rail and the vehicle-side axis, about which the wheel can be steered, Steering radius). If such a wheel is driven or braked, Circumferential forces develop on the wheel and longitudinal forces arise between the wheel and the rail. Steering torques for the wheel resulting from these longitudinal forces and the aforementioned steering roll radius are particularly undesirable if, as in EP-A-0 135 877, the wheels are to be steered when cornering solely by their start on the curved rail.
  • the invention is therefore based on the object of simplifying the construction of a device of the generic type and of designing it in such a compact manner with regard to the smallest possible space requirement that it can also be used with wheels of smaller diameter.
  • the ring gear of the planetary gear is mounted with roller bearings in the hollow hub of the wheel and the torque support consists of a fork and a lever which has a ball head encompassed by the fork, wherein one of these parts - fork or lever - is attached to the ring gear of the planetary gear and the other part to the axle bridge.
  • the two steering pins for the steering knuckle which are perpendicular to the wheel axis, are arranged in a plane lying between the bearing group of the ring gear and the bearing group of the steering knuckle.
  • the advantages of the invention are primarily that the device for steering torque compensation is simple and space-saving and can be used with all wheel sizes, which was previously not possible; there is also no elaborate lever mechanism to switch the moments against each other.
  • the rail wheel 11 is driven by a planetary gear integrated in the wheel.
  • the wheel 11 has a hollow hub 12, via which it is mounted with the interposition of two roller bearings 13 on a steering knuckle 14, which in turn is pivotally attached to a shaft bridge 26 of the chassis frame 17 by roller bearings 15 about steering pins 16 which are approximately perpendicular to the wheel axis.
  • the ring gear 19 of a planetary gear is also arranged with roller bearings 18, which meshes with the planet gears 20.
  • the planet gears 20 are supported with roller bearings 21 on the planet gear carrier 22 connected to the hollow hub 12 and mesh with the central gear 23.
  • the central gear 23 is connected via coupling elements and a cardan shaft 24 to the drive shaft 25, which runs within the axle bridge 26.
  • the steering pin 16 and thus the pivot axis of the steering knuckle 14 lie in a plane which extends between the bearing group 18 of the ring gear 19 and the bearing group 13 of the wheel 11 on the steering knuckle 14.
  • a torque support in the form of a fork piece 27 and a lever 28 is arranged in two directions between the ring gear 19 of the planetary gear and the axle bridge 26, the fork piece 27 engaging around a ball head of the lever 28.
  • the support torque is transmitted to the axle bridge 26 through this operative connection.
  • a bevel gear 29 or a segment thereof with the axle bridge 26 and another bevel gear 30 or a segment thereof are connected to the ring gear 19 to be supported.
  • the torque support can also consist of a total of three cams (not shown), of which two cams are arranged on the axle bridge 26 and the third cam, which is attached to the ring gear 19, engages between the two cams of the axle bridge 26.
  • the planet gear carrier 22 is connected to the gear 11, whereas the ring gear 19 of the planetary gear is connected to the axle bridge 26 via the torque support 27, 28 or 29, 30 and is therefore one of the non-rotating parts of the planetary gear.
  • a torque is transmitted to the central wheel 23 via the drive shaft 25, which torque can be a drive or a braking torque.
  • the support torque occurring on the ring gear 19, which is proportional to the drive or braking torque, generates a circumferential force in the active surfaces of the torque support 27, 28 or 29, 30, which generates a compensation torque with its lever arm to the central axis of the steering pin 16, which torque is formed from the wheel circumferential force and the steering roller radius Steering torque counteracts.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Retarders (AREA)
  • Power Steering Mechanism (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
EP88114564A 1987-09-15 1988-09-07 Vorrichtung zur Lenkmoment-Kompensation Expired - Lifetime EP0307770B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88114564T ATE90046T1 (de) 1987-09-15 1988-09-07 Vorrichtung zur lenkmoment-kompensation.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3730936 1987-09-15
DE19873730936 DE3730936A1 (de) 1987-09-15 1987-09-15 Vorrichtung zur lenkmoment-kompensation

Publications (3)

Publication Number Publication Date
EP0307770A2 EP0307770A2 (de) 1989-03-22
EP0307770A3 EP0307770A3 (en) 1989-10-18
EP0307770B1 true EP0307770B1 (de) 1993-06-02

Family

ID=6336038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114564A Expired - Lifetime EP0307770B1 (de) 1987-09-15 1988-09-07 Vorrichtung zur Lenkmoment-Kompensation

Country Status (3)

Country Link
EP (1) EP0307770B1 (enrdf_load_stackoverflow)
AT (1) ATE90046T1 (enrdf_load_stackoverflow)
DE (2) DE3730936A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7433768B2 (en) 2002-07-31 2008-10-07 Daimler Ag Method for determining a steering-wheel torque

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR574272A (fr) * 1923-01-24 1924-07-09 Essieu pour matériel roulant tel que voitures de chemins de fer ou tramways
DE3541732A1 (de) * 1985-11-26 1987-05-27 Duewag Ag Lenkmoment-kompensation

Also Published As

Publication number Publication date
EP0307770A2 (de) 1989-03-22
EP0307770A3 (en) 1989-10-18
DE3881461D1 (de) 1993-07-08
DE3730936C2 (enrdf_load_stackoverflow) 1993-02-11
ATE90046T1 (de) 1993-06-15
DE3730936A1 (de) 1989-03-23

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