A coupler telescopic apparatus comprises a housing and a drawbar capable of extending and retracting along the housing, the housing is sleeved outside the drawbar, a limiting block is fixed arranged on an outer side face of the drawbar, a locking ring capable of coming into contact with the limiting block is sleeved inside the housing, and the locking ring is coaxial with the housing and rotatably connected to the housing; a through groove is axially formed on an inner surface of the locking ring, and the through groove correspond to the limiting block in shape, so that the limiting block passes through the through groove when the through groove is aligned with the limiting block, and then an extension of the drawbar is locked by rotating the locking ring to block the limiting block after the extension of the drawbar is completed. The present application can reduce space occupation and has simple structure.

A coupler telescopic apparatus comprises a housing and a drawbar capable of extending and retracting along the housing, the housing is sleeved outside the drawbar, a limiting block is fixed arranged on an outer side face of the drawbar, a locking ring capable of coming into contact with the limiting block is sleeved inside the housing, and the locking ring is coaxial with the housing and rotatably connected to the housing; a through groove is axially formed on an inner surface of the locking ring, and the through groove correspond to the limiting block in shape, so that the limiting block passes through the through groove when the through groove is aligned with the limiting block, and then an extension of the drawbar is locked by rotating the locking ring to block the limiting block after the extension of the drawbar is completed. The present application can reduce space occupation and has simple structure.

Various embodiments include a vehicle draft key wear protector including a first arm, a second arm spaced-apart from the first arm, a first connector integrally connected to the first arm and integrally connected to the second arm, and a second connector integrally and detachably connected to the first arm and integrally and detachably connected to the second arm, wherein the railroad car draft key wear protector is configured to be positioned on an uninstalled draft key, and is configured to be positioned on an installed draft key in situ.

Various embodiments include a vehicle draft key wear protector including a first arm, a second arm spaced-apart from the first arm, a first connector integrally connected to the first arm and integrally connected to the second arm, and a second connector integrally and detachably connected to the first arm and integrally and detachably connected to the second arm, wherein the railroad car draft key wear protector is configured to be positioned on an uninstalled draft key, and is configured to be positioned on an installed draft key in situ.

The present invention relates to a holder for mounting a second part on a main structure between car body ends of a rail vehicle, comprising a first holding structure having a first contact surface, the first holding structure being configured to be attached to a main structure; a second holding structure having a second contact surface, the second holding structure being configured to be attached to a second part, and the second holding structure further being arranged to be mounted on the first holding structure with one of the first and second contact surfaces resting on the other; a fastening device for fastening the second holding structure to the first holding structure to form a mounted state, the first and second contact surfaces being pressed against each other in the mounted state, and wherein the first and second contact surfaces in the mounted state each extend at a first angle in relation to a horizontal axis, said first angle () being more than 1 degree and less than 30 degrees, and wherein the fastening device (53) extends in a direction parallel to or coinciding with the horizontal axis (A).

An absorbing apparatus includes a shock-absorbing unit that includes a front plate, a rear plate and a shock-absorbing core arranged between the front plate and the rear plate. The apparatus also includes a base connected to the rear plate of the shock-absorbing unit and having a rear plate, and a side shield surrounding at least partially the shock-absorbing core. One end of the side shield is connected to the front plate or the rear plate of the shock-absorbing unit, while the other end of the side shield is spaced-apart from the other of the front plate or the rear plate of the shock-absorbing unit. The base includes an energy absorbing element connected to the rear plate of the shock-absorbing unit and mounted in the rear plate of the base, while the rear plate of the base includes a cutting unit for cutting a surface of the energy absorbing element.

A hybrid cushioning apparatus for a railway car apparatus employs a standard yoke and a conventional draft gear forward of the tail of the yoke and a stack of elastomeric units behind the tail engaging the draft gear with a force transfer member.

A hybrid cushioning apparatus for a railway car apparatus employs a standard yoke and a conventional draft gear forward of the tail of the yoke and a stack of elastomeric units behind the tail engaging the draft gear with a force transfer member.

A telescoping uncoupling lever assembly including a first lever, a hook connected to the first lever, a second lever, a handle connected to the second lever, and a third lever including a plurality of first lever connectors, a plurality of first glides bonded to the respective interior surfaces of the first lever connectors for engagement with the first lever, a plurality of second lever connectors, and a plurality of second glides bonded to the respective interior surfaces of the second lever connectors for engagement with the second lever.

A threaded interface buffer with anti-rotation structure is provided, comprising a buffer housing (1), a buffer capsule (2) and a drawbar (3), wherein the drawbar (3) comprises a connection portion (4) connected to the buffer capsule (2); the drawbar (3) is in threaded connection to the buffer capsule (2) through the connection portion (4); and, a first level anti-rotation structure (5) for limiting the rotation of the drawbar (3) and the buffer capsule (2) is mounted thereon, and a second level anti-rotation structure (6) for limiting the rotation of the drawbar (3) and the buffer housing (1) is mounted therebetween, so that the versatility and adaptability of the buffer can be enhanced and the operational stability of the buffer is ensured.