61results about "Buffer" patented technology

The subject of the invention is a a vehicle coupling shock absorbing device for coupling vehicles, having a rear element (3) and a U-shaped housing (1) containing a base wall (11), and side walls (12), where the base wall (11) is located at the side of the rear element (3); inside the housing (1) there is a stop plate (2) mounted slidingly, pin (10) mounted between the ends of the side walls (12) opposite the base wall (11), and a rod (4) running from the rear element (3) through an opening in the base wall (11) to the retaining plate (2), on which cushioning pads (5) are attached alternately with spacers 6, characterized in that the rear element (3) is a shock absorber.

The subject of the invention is an impact energy absorbing device, comprising a shock absorber (3) with a cylinder (3a) and piston rod (3b), a sleeve (1) to be cut and a machining tool (2) surrounding the sleeve (1) to be cut, for machining the surface of the sleeve (1) to be cut, characterized in that the sleeve (1) to be cut is a cylinder (3 a) of the shock absorber (3).

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 invention discloses a rail train system with telescopic buffering carriages. The rail train system aims at achieving dynamic transfer of passengers and goods under the condition that a trunk train is not stopped. The system comprises a trunk train continuously running on a trunk line, a short-distance train connected between a station and the trunk line, and a telescopic buffering compartment arranged at the front end of the short-distance train. A plurality of gas-liquid buffer units which are arranged in an annular array are arranged in the telescopic buffer carriage, and multidirectional impact energy in the dynamic butt joint process can be absorbed; a groove-pawl type one-way locking mechanism and a plane contact type sealing valve are arranged at the front end of the carriage, so that rigid connection and channel sealing after butt joint are ensured; a through channel and a passenger conveying belt are arranged in the compartment, and rapid and safe transfer of personnel in the two workshops can be achieved after locking. Through the operation process of docking-transfer-separation during running, running time loss and line trafficability waste caused by the fact that a train stops at a station are thoroughly eliminated, the transportation efficiency, operation flexibility and energy utilization efficiency of a rail transit system are remarkably improved, and the method is suitable for high-speed, high-frequency and high-reliability rail transit scenes.

The present invention relates to an energy absorbing and dissipating device for vehicle coupling having a fork (3), wherein the fork (3) has a pin (7) mounted therein for mounting the lug assembly (1) connecting the vehicle coupling head, and on the rear side of the fork (3) a pin is mounted with a set of shock-absorbing inserts (11), the set of inserts (11) on the side of the fork (3) being secured by a stop plate (5), constituting a limiter for movement in the coupling pulling direction, and on the opposite side by a back plate (6) and a locking element (13), and the entire structure is closed by a locking element (10) mounted inside the housing (4), constituting a limiter for movement in the coupling pushing direction, the device additionally having a housing (4) in which the other components can move slidingly. The characteristic feature of the device is that the housing (4) is shaped like a sleeve, there is a mounting ring (4) on the outside of the housing (2); the mounting ring (2) has a flange part (2a) with screw holes (2a) for mounting to the vehicle wall and with cutting knives (14) for cutting the housing surface (4), middle part (2b) for guiding the housing (4), breakaway part (2c); the mounting ring (2) is mounted to the housing (2) using the breakaway part (2c).

The application belongs to the technical field of buffers, and particularly relates to a longitudinal traction buffer device for a road-rail vehicle, which comprises a coupler, a buffer, a from-plate and a coupler tail frame. The buffer comprises a cylinder, a No. 1 piston, a connecting frame, a traction guide rod, a conversion unit. When the traction guide rod of the buffer is impacted and moves left, the No. 1 piston moves left, extrudes hydraulic oil and pushes the No. 2 piston. Since the No. 2 spring is arranged between the baffle and the No. 2 piston, when the No. 2 piston is pushed, the No. 2 piston extrudes the No. 2 spring, and the impact force is shared as the elastic potential energy of the No. 2 spring, so that the purpose of sharing the buffer force is achieved. Similarly, when the traction guide rod moves right, the effect of sharing the buffer force can also be achieved.

A shear-off device for a train coupler comprising a safety ring (2) having an inner periphery (7) formed with a thread (8) for threaded engagement, and further comprising a radially inwards depending shear flange (9), the shear flange (9) reaching in radial direction from the inner periphery (7) towards the centre axis (C) of the safety ring, the shear flange having a flange base (10) adjoining the inner periphery (7) and a flange point (11) reaching radially inside of the inner periphery (7).

A cushioning device includes a first housing with a first wall, a first extremity, a first open end and a first hollow interior. A second housing includes a second wall, a second extremity, a second open end and a second hollow interior, the second hollow interior sized to receive the first wall therewithin. A spring is disposed within each of the first and second hollow interiors between the first extremity and the second extremity. The first and the second housings are designed for a reciprocal linear movement relative to each other between a first position where the first open end being disposed at a distance from the second extremity and a second position where the first open end being disposed in a direct contact with the second extremity. The cushioning device may be installed within a sill of a railcar to cushion buff or draft forces from a coupler.

The present invention relates to a railway damper valve assembly (10, 10', 10'') comprising - a valve body (11) with a primary chamber (12) for connecting to a hydraulic flow passage (13); - a sleeve (20) slidably arranged on an outer circumference of the valve body (11) and delimiting the primary chamber (12); - a spring (15) configured to bias the sleeve (20) towards a meeting surface (16) on a stop (17) to reach a closed position, said closed position being a position where the primary chamber (12) is outwardly sealed for preventing a flow of hydraulic fluid from the primary chamber (12) out of the valve assembly (10, 10', 10'') between the meeting surface (16) and the sleeve (20); wherein the valve assembly (10, 10', 10'') is pressure-balanced by the spring (15) such that a predetermined opening pressure of hydraulic fluid in the primary chamber (12) causes the sleeve (20) to move away from the meeting surface (16), thereby enabling a flow of hydraulic fluid from the primary chamber (12) in a radial direction (R) out of the valve assembly (10, 10', 10''). The invention also relates to a railway damper (100) comprising such a railway damper valve assembly (10, 10', 10'').

The application relates to a damping butt joint structure which comprises a first butt joint part and a second butt joint part arranged on the same axis and mounted on two mechanical structures respectively, the first butt joint part and the second butt joint part are close to each other during butt joint, a convex cone head is pressed to connect a buffer energy-absorbing disc, the buffer energy-absorbing disc is elastically deformed backward and drives a displacement block to move, a range finder detects that the displacement block moves to a specified position, a first electromagnet assembly is electrified to drive a sliding magnetic plate to slide close to a fixed guide plate, a center connecting rod passes through a first butt joint hole and a second butt joint hole and is butted and locked with a locking assembly; the buffer energy-absorbing disc can effectively absorb impact energy, the center connecting rod and the locking assembly have a first elastic member and a second elastic member as buffers respectively, and can effectively reduce vibration during locking; through cooperation of the buffer energy-absorbing disc and the first elastic member and the second elastic member, impact energy can be effectively absorbed and reduced during butt joint locking of large-scale machines, and the mechanical structure and the butt joint structure are protected.

The invention concerns a coupler assembly for connecting railroad cars, comprising a pulling apparatus (10) positioned between a front stop (6) and a stop plate (5) in the space between central girders (1, 2) of a railway wagon frame, whereby the front stop (6) is rigidly fixed to the central girders (1, 2) of the railway wagon frame and the stop plate (5) is mounted in a moving manner between the girders (1, 2), and a rear stop (7), permanently fixed to the wagon frame, is positioned behind the stop plate (5), wherein an increased energy absorption unit is located between the rear stop (7) and the stop plate (5), comprising a bar (8) and a machining element (12) surrounding the bar (8). The invention is characterized in that the machining element (12) is positioned at the rear stop (7), and the bar (8) at one side rests on the stop plate (5) and is pressed by it, while at the other side it enters the machining element (12) and is attached therein it with the possibility of breaking the attachment.

An energy absorber includes an external unit, a collision unit and a buffer unit. The external unit extends with forming a stepped portion, and forms a predetermined inner space. The collision unit extends from the inner space to outside, and moves toward the inner space due to an external impact. The buffer unit is disposed in the inner space, and is connected to the collision unit to absorb the external impact. The external unit cuts or performs cutting and absorbs the external impact, as the collision unit moves.

The utility model relates to the field of underground equipment, and discloses an underground equipment transport vehicle which comprises a full-frame type hollowed-out chassis, and multifunctional equipment fixers are fixedly arranged on the two sides of the upper end face of the full-frame type hollowed-out chassis. Limiting mechanisms used for limiting the multifunctional equipment fixing devices are further installed on the two sides, located on the outer sides of the multifunctional equipment fixing devices, of the upper end face of the full-frame type hollowed-out chassis, and walking wheel pairs used for walking of the transport vehicle are installed at the front end and the rear end of the lower end face of the full-frame type hollowed-out chassis correspondingly. Coupler buffers used for being connected with a mine car and assisting in buffering impact force are installed at the middle points of the front end and the rear end of the full-frame type hollowed-out chassis. According to the utility model, the full-frame type hollow frame is adopted, so that ultra-large and ultra-high equipment can be transported. The underground transportation device has the advantages of large volume coefficient, small self-weight coefficient, short unloading and shunting time, large loading capacity, large trafficability of a loading station and an unloading station, and capability of improving the safety of underground transportation.

The invention relates to the technical field of railway transportation equipment, and discloses an ore transportation open wagon and a method, which are suitable for a 1435mm standard gauge railway, and comprise a wagon body steel structure, a coupler buffer device, a brake system and a bogie, the vehicle body steel structure is an all-steel welding structure and is used for bearing bauxite, the total weight is 110t, the self weight is 24t, the load capacity is 80t, the limit load capacity is 94t, and the volume is 56.8; the coupler buffer device comprises a fixed end and a rotating end which are respectively used for realizing fixed coupling and rotating coupling with a front vehicle and a rear vehicle; the braking system comprises an air braking subsystem and a hand braking subsystem; the bogie is of a cast steel framework type structure, and the axle weight is 30 t. The total length of the open wagon is 11198mm, the fixed distance of the wagon is 5950mm, the maximum width of the open wagon is 3180mm, the maximum height of the open wagon is 3185 mm, the distance between the upper plane of a side beam and a rail surface is 1073mm, the distance between the center of a wagon coupler and the rail surface is 877mm, the fixed axle distance is 1778mm, the minimum passing curvature radius is 176m, and the running speed is 60km / h. The unloading efficiency is improved, and the maintenance convenience is enhanced.

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.

The invention belongs to the technical field of rail transit, and relates to a supporting device which is used for supporting a car coupler buffering device. The supporting device comprises a supporting piece, a supporting frame and a bracket, the supporting piece is used for supporting the coupler buffering device, the supporting frame comprises a bearing part and supporting legs, and a first pin shaft hole is formed in the bearing part; the number of the supporting legs is two, the two supporting legs are symmetrically arranged on the bearing part in a spaced mode, and each supporting leg is connected to the supporting piece. The bracket is provided with a second pin shaft hole; the first pin shaft hole can be aligned with the second pin shaft hole, and the pin shaft is inserted into the first pin shaft hole and the second pin shaft hole; the bracket is further connected with a supporting piece, and the whole bracket is of an upward inclined structure from the position of the second pin shaft hole to the installation position of the bracket and the supporting piece. On the basis of a supporting device in the prior art, the structure of the bracket is additionally arranged, the bracket is of an inclined structure and is arranged in an inclined mode, the stress direction of the supporting device is improved, and stress concentration is avoided.

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 invention relates to a rail vehicle fluid damper (1) having a container in which a guide bearing is arranged at the head end and a piston which can be retracted into the container (4) by way of a piston rod (3) so as to pass through the guide bearing with a plate-like head, wherein a statically preloaded fluid medium (7) is located in the container (4), characterized in that a base disc (7) is inserted into a base-side end (6) of the container (4), the base disc (7) being adapted, by way of its outside diameter, to the inside diameter of the sleeve and forming the container base, the base disc (7) being spaced apart from the base-side end (6) of the sleeve by means of a screw-in sleeve (8) and a sensor element (16) being coupled to the base disc (7) on the side remote from the fluid medium (5).

The utility model discloses a railway wagon striker convenient to position and install, which comprises a buffer plate, at least two supporting plates are symmetrically arranged on the rear surface of the buffer plate, a plurality of arc-shaped grooves are arranged at the bottoms of the supporting plates at equal intervals, two hanging holes are symmetrically arranged on the front surface of the buffer plate, and the arc-shaped grooves are communicated with the arc-shaped grooves. A U-shaped plate is fixedly connected to the rear surface of the buffer plate, a first movable plate is hinged to the bottom of the U-shaped plate, a second movable plate is hinged to one end of the bottom of the first movable plate, and a first threaded hole is formed in the second movable plate; the U-shaped plate is fixed on the rear surface of the buffer plate, the bottom of the U-shaped plate is sequentially hinged to the first movable plate and the second movable plate, the second movable plate is provided with the first threaded hole, the second movable plate is adjusted to be attached to a vehicle head and adjusted and positioned through bolts during installation, the buffer plate is pulled and lifted through the hanging hole, the supporting plate is clamped with the hook through the arc-shaped groove, and the buckle plate and the rivet are buckled. And the impact seat assembly is quickly completed.

An energy dissipation device is shown in connection with its implementation in train couplers. The energy dissipation device comprises axially compressible, irreversibly deforming steel elements arranged in a housing and axially pre-tensioned between a compression means and a counter-pressure means. In case of an impact, the compression means is moving in sliding contact with the inside wall of the housing to provide axial compression of the energy absorbing elements while preserving the integrity of the housing.

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.

The present application belongs to the field of rail transit safety protection technology, and particularly relates to a multi-level high-speed train anti-collision buffer. The multi-level high-speed train anti-collision buffer comprises an expansion cavity, an impact contact plate and a rear backing plate, a buffer medium is prearranged in the expansion cavity, an oil pressing piston and a cavity partition plate are arranged inside the expansion cavity, the oil pressing piston comprises a pressing plate at the bottom, a pressing rod at the middle and a pressing head at the top, the pressing plate is located inside the expansion cavity and is not connected with the bottom of the expansion cavity, and the pressing head is located above the top of the expansion cavity; one cavity partition plate is arranged on the left and right sides of the oil pressing piston, the bottom end of the cavity partition plate is fixed on the bottom of the expansion cavity, and the top extends above the top of the expansion cavity, and the cavity partition plate divides the expansion cavity into multiple sub-cavities. The buffer device changes the traditional anti-collision energy-absorbing buffer mode of the rigid long rod extending to impact the compressible structure material, and the energy-absorbing buffer effect is better.

The invention relates to a bumper assembly (100) comprising: a reversible energy absorbing unit (10) comprising: an inner housing (11) having an open end (111) and a closed end (112); and a plunger (12) received in the inner housing axially movable and movable between an intermediate position and a compressed position so as to reversibly absorb energy up to an energy threshold; the invention relates to a device (10) for absorbing energy from a plunger (12), and further comprising an irreversible energy absorbing unit (20) comprising an outer housing (21) and a deformation element (22) connected to the elongate outer housing, where the reversible energy absorbing unit (10) is further axially movably received in the outer housing (21), where the plunger (12) protrudes from a first end (211) of the outer housing (21), and a second end (212) of the plunger (12) protrudes from a second end (211) of the outer housing (21). The at least one deformation element (22) is arranged such that the inner housing (11) is configured to move towards the deformation element (22) when energized beyond the energy threshold such that the at least one deformation element (22) plastically deforms.

The vibration reduction butt joint structure comprises a first butt joint piece and a second butt joint piece which are located on the same axis and installed on two mechanical structures respectively, during butt joint, the first butt joint piece and the second butt joint piece are close to each other, a convex conical head is connected with a buffering energy absorption disc in a pressing mode, and the buffering energy absorption disc elastically deforms backwards and drives a displacement block to move; a range finder detects that a displacement block moves to a designated position, a first electromagnet assembly is powered on to drive a sliding magnetic plate to slide close to a fixed guide plate, and a center connecting rod penetrates through a first butt-joint hole and a second butt-joint hole and then is in butt-joint locking with a locking assembly; the buffering energy absorption disc can effectively absorb impact energy, the center connecting rod and the locking assembly are provided with the first elastic piece and the second elastic piece respectively for buffering, and the effective vibration reduction effect can be achieved during locking; through cooperation of the buffering energy absorption disc, the first elastic piece and the second elastic piece, effective vibration reduction and energy absorption can be achieved in the butt joint locking process of a large machine, and a mechanical structure and a butt joint structure are protected.

The utility model discloses a tight-lock coupler buffer device which comprises a buffer seat box body, a buffer cavity is formed in the buffer seat box body and used for containing a buffer seat, a channel communicated with the buffer cavity is formed in one end of the buffer seat box body, and the buffer seat box body and the buffer cavity are communicated through the channel. The tail portion of the tight-lock coupler penetrates through the channel to be connected with the buffering seat, the other end of a box body of the buffering seat is open and connected to a vehicle body through a flange plate, the buffering seat comprises a connecting portion and a buffering portion, the connecting portion is connected with the tail portion of the tight-lock coupler, and a traction end is arranged on the side, close to the tight-lock coupler, of the buffering portion. The buffer end is arranged at the end, away from the tight-lock coupler, of the buffer box body, the traction end is used for buffering traction force received by the tight-lock coupler and transmitting the traction force to a vehicle body along the buffer box body, and the buffer end is used for buffering pressure received by the tight-lock coupler and transmitting the pressure to the vehicle body along the flange plate. According to the utility model, the safety and comfort of passengers are improved.

The invention discloses a train connector, and belongs to the technical field of rail transit equipment. The train connecting device comprises a base assembly, a buffer connecting cylinder, an embedded butt joint and a locking mechanism. The base assembly is of a flat plate structure with a mounting hole and is used for being fixed to the train end. The buffer connecting cylinder is a cylindrical metal cylinder, one end of the buffer connecting cylinder is coaxially welded with the base assembly, and the other end of the buffer connecting cylinder is provided with a groove and is welded with a conical boss-shaped embedded butt joint; the conical bosses and the grooves of the two connectors can be in interference fit; the locking mechanism adopts a structure of a lock handle and a hammer head, and is embedded into an adapting groove at the butt joint end to realize clamping and locking; through the interference fit of the conical boss and the groove and the locking of the hammer head, the connection stability is improved, the disassembly and assembly are convenient, and the hammer head is suitable for the vehicle end connection of the railway vehicle.

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

The invention pertains to the field of vehicle engineering and relates to friction shock-absorbers for vehicles, and primarily to shock-absorbing apparatus mountable between railway wagons. The aim of the invention is to improve the structure of a shock-absorbing apparatus such as to allow a more uniform distribution of load on the support surfaces of a pressure wedge device and on the stay surfaces of stay wedges. This aim is achieved in that a pressure wedge device and stay wedges, which together form a friction assembly of the shock-absorbing apparatus, are configured to provide for constant mutual contact under a stay angle at any given extent of travel of the friction assembly, wherein the total area of the regions of the support surfaces of the pressure wedge device and of the stay surfaces of the stay wedges which lie inside the zones of mutual contact is not less than the total area of said support surfaces of the pressure wedge device and said stay surfaces of the stay wedges which lie outside the zones of mutual contact. A spring device is configured and mounted in such a way that in its fully compressed state at its maximum extent of travel, it provides a force applied to the friction assembly and the bottom of a housing which is greater than 120 tons. Other elements of the invention are also described. Other elements of the invention are also described.