10results about "Buffer" patented technology

The invention relates to a coupling rod for a rail vehicle, which extends along a longitudinal axis; having a first axial end, to which a coupling head is connected or can be connected; having a second axial end, to which a bearing bracket is connected or can be connected pivotably about a vertical axis; having a pull rod, a deformation tube and an inner tube, wherein the inner tube extends in the direction from the first axial end along the longitudinal axis as far as the deformation tube and, by way of a head portion facing away from the first axial end, enters the deformation tube, the deformation tube extends in the direction from the second axial end along the longitudinal axis as far as the inner tube and, by way of an expanded portion, engages around the head portion, said expanded portion being expanded in cross section in relation to an axial portion adjoining in the direction of the longitudinal axis, and the pull rod extends in the direction from the second axial end within the deformation tube in the direction of the longitudinal axis into the inner tube and is connected to the latter so as to be resistant to tension; wherein application of an impact force causes the inner tube to be able to be pushed in the direction of the longitudinal axis into the deformation tube, with the deformation tube being deformed. The coupling rod according to the invention is characterized in that the head portion of the inner tube is adjoined in the direction of the longitudinal axis by an axial guide element which extends radially within the axial portion of the deformation tube in the direction of the longitudinal axis.

The utility model relates to the technical field of motor train unit coupler rubber buffers, and discloses a shock absorption assembly of a motor train unit coupler rubber buffer, which comprises a shell, the top and the bottom of the shell are respectively connected with an upper mounting plate and a lower mounting plate, and a plurality of rubber blocks are arranged in the shell. The rubber blocks are arranged at equal intervals in the vertical direction, mounting holes are formed in the left ends and the right ends of the upper mounting plate and the lower mounting plate correspondingly, a plurality of honeycomb-shaped engineering plastic partition plates are alternately arranged between the rubber blocks, and connecting columns are inserted into the left ends and the right ends of the upper mounting plate, the shell, the rubber blocks and the honeycomb-shaped engineering plastic partition plates correspondingly. And the lowermost end of the connecting column is in threaded connection with the lower mounting plate. According to the utility model, a plurality of honeycomb-shaped engineering plastic partition plates are arranged, so that a friction interface is increased through the honeycomb-shaped engineering plastic partition plates, extra energy is consumed through interlayer micro-slippage friction, meanwhile, stress distribution is guided to be more uniform, and stress concentration is reduced.

A front-end energy absorption structure for a rail vehicle, relating to the technical field of vehicle engineering. In the front-end energy absorption structure for a rail vehicle, a coupler mounting seat is longitudinally arranged on the front side of a main frame, and is slidably connected to the main frame along the longitudinal direction. Energy absorption devices and a coupler guide device are both longitudinally fixed between the coupler mounting seat and the main frame. The coupler mounting seat comprises a main seat body. The middle portion of the main seat body in a horizontal direction is a main connection portion, which has a thickness greater than that of two sides of the main seat body. A center hole passes through the center of the main connection portion along the longitudinal direction, and the center hole is communicated with the coupler guide device. The periphery of the main connection portion located at the center hole is configured to be connected to a coupler assembly. On the main seat body, the part directly connected to the coupler assembly is a high-stress zone compared to the parts at other positions; the structural requirements for connecting the coupler assembly are met by means of the thicker main connection portion, and the remaining parts undergo weight reduction, thereby improving the lightweight effect of the front-end energy absorption structure, while ensuring structural stability.

This invention provides a coupler buffer device and a vehicle having the same. The coupler buffer device includes: an overload protection structure disposed within the coupler tail frame and located at the second end of the buffer. The overload protection structure includes a first housing, a second housing, and a protective pin. The first and second housings are movable relative to each other in a predetermined direction. The protective pin is disposed on the first housing, and the second housing has a movable hole through which the protective pin passes. The size of the movable hole along the predetermined direction is larger than the size of the protective pin along the predetermined direction. The second end of the coupler is connected to the first vehicle body, and the predetermined direction is parallel to the direction from the front plate to the buffer. One of the first and second housings abuts against the second end of the buffer, and the other abuts against the inner wall of the end of the coupler tail frame away from the coupler. The technical solution of this application effectively solves the problem of poor buffering capacity in related technologies' coupler buffer devices.

The present invention relates to a front cover for a coupler for a rail vehicle, the front cover (1) comprising a cover body (10) for covering a front end of the coupler, wherein the cover body (10) comprises at least one deformation zone (12), said deformation zone (12) having a cover portion (16) that is configured to break or deform when subjected to a collision force for providing access through the cover body (10) at the at least one deformation zone (12) during a collision. The invention also relates to a method for mounting a front cover on a coupler, and to a method for deforming a front cover.

To provide an article conveyance device capable of preventing a power storage part from being damaged.SOLUTION: An article conveyance device (1) comprises a travel part for traveling along a travel route, a main body part (20) suspended from the travel part, and a power storage part (30) storing electric power. The main body part (20) has a first structure (40a) extended downward from the side of the travel part. The first structure (40a) houses the power storage part (30), and has a shock absorbing member (42) provided before the power storage part (30), i.e. on a side far from the center position of the main body part (20) in a front-rear direction.SELECTED DRAWING: Figure 2

A coupler for coupling rail vehicles together comprising: an extendable coupling body; an extending mechanism; and a support housing for mounting the coupler to a railway carriage, wherein the coupling body and the extending mechanism are mounted within the support housing, the extending mechanism being arranged to move the coupling body relative to the support housing between a retracted position and an extended position; wherein the coupling body comprises a coupling interface that is arranged to receive connections of the railway carriage for coupling to a coupling interface of a second coupler; wherein a distance between the coupling interface and the support body increases as the coupling body moves from the retracted position towards the extended position; and wherein the coupling interface is arranged to engage the coupling interface of the second coupler upon contact between the interfaces.

This invention provides a buffer, a coupler buffer device, and a vehicle. The buffer includes: a piston cylinder with a receiving space; a piston member including a first rod and a piston head disposed on the first rod, the piston head being disposed within the receiving space; a baffle movably disposed along the axial direction of the piston cylinder, the baffle dividing the space between the side of the piston head facing the second end of the piston cylinder and the second end of the piston cylinder into a first sub-space and a second sub-space, the first sub-space being located on the side of the baffle facing the piston head, the baffle having a through hole extending along the axial direction of the piston cylinder; an elastic member disposed between the piston head and the baffle, applying an elastic force to the piston head and the baffle to allow the piston member and the baffle to move away from each other; and elastic putty disposed within the first and second sub-spaces. The technical solution of this application effectively solves the problem of high internal pressure in the buffer when providing significant resistance in related technologies.

An enclosure system attachable to a railway vehicle to protect automobiles in the event of a collision. The enclosure system having an enclosure panel that is actuatable between a deployed configuration and a stowed configuration. A breakaway mechanism configured to allow certain components of enclosure system to release from the railway vehicle in the event of a collision with another railway vehicle to ensure the anticlimbers engage between the railway vehicles to prevent override. The enclosure system having a coupler centering assembly for maintaining a coupler in a forward position when the enclosure is in the deployed configuration.

The application provides a buffer and a railway vehicle, the buffer comprising a rubber elastic system, the rubber elastic system comprising a plurality of rubber units stacked in sequence along an axial direction, the rubber elastic system further comprising a pre-compression device, at least one of the plurality of rubber units being pre-compressed into a pre-compressed rubber unit by the pre-compression device, and at least one of the plurality of rubber units being a natural rubber unit which is not pre-compressed. The buffer further comprises a friction system, the impedance force of the buffer being mainly provided by the rubber elastic system, and the friction system only providing a small part of the impedance force. A quick release hole is further arranged on the shell, and a stopper is arranged on a support seat of the friction system. The buffer can meet the use requirements of the railway vehicle, has high overall stability, and the friction block of the friction system can be quickly disassembled, so that the maintenance efficiency of the friction system is high.