Traction Coupling And Method Of Making A Rail Vehicle

Traction Couplings and Rail Vehicles

1. The invention relates to a traction coupling according to the preamble of claim 1 in detail, having a coupling rod and a pressure plate which together define the coupling gap. The invention also relates to a rail vehicle having at least two carriages which are arranged next to each other and can be coupled to each other or have been coupled to each other, the carriages each having such a traction coupling in order to be coupled to each other.

2. Coupling clearance in the longitudinal direction of the traction coupling, ie in the direction of travel of the rail vehicle, is necessary at least for heavy goods vehicle cars in order to be able to start very heavy group of freight cars by means of locomotives with lower drive power. Due to the coupling play, the cars are started successively, since before the following cars in the coupling chain are started, the respective cars are not tensioned by the inertial forces of the following cars until the direction of the longitudinal axis in the traction coupling relative to the following cars Coupling clearance is eliminated.

3. The play in the direction of the longitudinal axis in the traction coupling is usually formed by the play of the coupling contour, that is, the gap in the area of the coupling device, and the gap of the coupling joint, that is, the gap in the direction of the longitudinal axis in the articulated suspension of the coupling rod. The traction couplings are coupled to each other by coupling profiles.

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