A block, towing system, and a method for towing rail cars is provided. The block includes a first channel, a second channel, a third channel and a fourth channel. The first channel is located on a first side of the block. The second channel is located adjacent to the first channel on the first side of the block. The third channel is located on an opposite side of the block from the first channel. The fourth channel is located adjacent to the third channel on the opposite side of the block from the second channel.

A block, towing system, and a method for towing rail cars is provided. The block includes a first channel, a second channel, a third channel and a fourth channel. The first channel is located on a first side of the block. The second channel is located adjacent to the first channel on the first side of the block. The third channel is located on an opposite side of the block from the first channel. The fourth channel is located adjacent to the third channel on the opposite side of the block from the second channel.

A rail car includes an elongated floor supporting a rail car body, a draft sill depending from the floor, and a crash energy management (CEM) system. The CEM system includes a coupler plate coupled to the draft sill and depending from the floor between the draft sill and a first end of the floor, a coupler support depending from the floor between the coupler plate and the first end of the floor, an elongated coupler assembly extending from the coupler plate in a direction of the first end of the floor via an opening defined by the coupler support, and at least one cable connected in tension between the coupler support and the coupler plate.

A rail car includes an elongated floor supporting a rail car body, a draft sill depending from the floor, and a crash energy management (CEM) system. The CEM system includes a coupler plate coupled to the draft sill and depending from the floor between the draft sill and a first end of the floor, a coupler support depending from the floor between the coupler plate and the first end of the floor, an elongated coupler assembly extending from the coupler plate in a direction of the first end of the floor via an opening defined by the coupler support, and at least one cable connected in tension between the coupler support and the coupler plate.

A system for connecting a center sill to a draft sill in a railcar includes a center sill portion that includes a center sill portion top plate, a draft sill portion that includes a draft sill top plate, the draft sill portion having a draft sill cross-section larger than a center sill cross-section of the center sill portion. The system further includes a transition portion between the center sill portion and the draft sill portion, the transition portion includes a transition portion top plate, wherein the transition portion top plate is the same plate as at least one of the center sill portion top plate and the draft sill portion top plate. A method for connecting the center sill to the draft sill in a railcar includes forming the transition portion between the center sill portion and the draft sill portion.

A system for connecting a center sill to a draft sill in a railcar includes a center sill portion that includes a center sill portion top plate, a draft sill portion that includes a draft sill top plate, the draft sill portion having a draft sill cross-section larger than a center sill cross-section of the center sill portion. The system further includes a transition portion between the center sill portion and the draft sill portion, the transition portion includes a transition portion top plate, wherein the transition portion top plate is the same plate as at least one of the center sill portion top plate and the draft sill portion top plate. A method for connecting the center sill to the draft sill in a railcar includes forming the transition portion between the center sill portion and the draft sill portion.

According to a railcar, a fuse member that couples a first end beam to a second end beam along a car longitudinal direction is formed as a channel material with an approximately U-shaped cross-section, including a web disposed to extend along the car longitudinal direction and a pair of flanges disposed upright from both end portions of this web. Accordingly, when a load received in collision exceeds a predetermined value, the fuse member buckles to allow the first end beam to move toward the second end beam to ensure reducing variation of the load that allows the first end beam to move toward the second end beam. Consequently, when the intended load is input, the first end beam is allowed to move toward the second end beam.

According to a railcar, a fuse member that couples a first end beam to a second end beam along a car longitudinal direction is formed as a channel material with an approximately U-shaped cross-section, including a web disposed to extend along the car longitudinal direction and a pair of flanges disposed upright from both end portions of this web. Accordingly, when a load received in collision exceeds a predetermined value, the fuse member buckles to allow the first end beam to move toward the second end beam to ensure reducing variation of the load that allows the first end beam to move toward the second end beam. Consequently, when the intended load is input, the first end beam is allowed to move toward the second end beam.

A coupler assembly, arranged at a front end of a vehicle head of a rail vehicle, includes: a coupler mounting base fixed to the vehicle head; a coupler fixedly mounted to the coupler mounting base, and a supporting component provided at each of two sides of the coupler mounting base. The supporting component has a guiding slide way inclined longitudinally, a front end of the guiding slide way is higher than a rear end of the guiding slide way; a sliding component is fixedly provided at each of the two sides of the coupler mounting base, and the sliding component slidably cooperates with the guiding slide way at a respective side; and the coupler assembly is configured such that in an initial state, the coupler mounting base is fixedly connected to the supporting component, and the sliding component is located at a front end of the guiding slide way.

The invention relates to the field of metallurgy, in particular to the methods for heat treatment of railway rolling stock parts, specifically railway rolling stock unit center plate. The center plate strengthening device contains a power coil and a sprayer, the power coil being implemented as turnable against the center plate central axis and containing a tube with spray cooling openings. The method for railway rolling stock unit center plate strengthening is performed by progressive induction hardening with simultaneous liquid cooling while rotating the center plate strengthening device 360 around the central axis where the center plate treated surfaces undergo induction heating, spray cooling immediately after the heating, and low-temperature volume tempering with a dwelling period.