103results 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.

A device (10) with a pulling and pushing device of a coupling system for a rail vehicle is provided with an outer casing (12) receiving a coupling flange (13) and having a stop element (24) arranged therein. Furthermore, the device (10) comprises a drawbar (22) mounted in the stop element so as to be displaceable in the axial direction (A), a connecting head (15) connected to the drawbar (22), and, between the connecting head and the stop element (24), preferably a plurality of spring elements (23) arranged in a row on the drawbar (22).The connecting head (15) is displaceably guided over a stroke (h) extending in the elastic region of the spring elements (23). It comprises an absorption means (30) that interacts with an absorption means (33) on the outer casing (12) in such a way that, upon impact with a defined impact force, the connecting head (15) engages with the outer casing (12) after the stroke (h) in an energy-absorbing manner. This allows the device to be provided with a short overall length.

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 provides an anti-jumping mounting structure of a hook buffer device. The coupler buffer device comprises a coupler tail frame and a coupler installed on the coupler tail frame. The coupler yoke mounting groove is formed in the vehicle body end; the mounting groove is U-shaped and is provided with a downward groove opening; the anti-jumping mounting structure comprises a guide plate, and the guide plate is mounted at an opening of the mounting groove and located on the lower portion of the coupler yoke; the plate surface of the guide plate can cover the width of the mounting groove, and an inserting groove is formed in the guide plate in the direction parallel to the extending direction of the mounting groove; and an inserting block is arranged on the coupler yoke and is arranged in the inserting groove.

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 application belongs to the technical field of mine equipment, and discloses a hook unhooking assembly, which comprises a connecting frame, a hook groove and a hook head arranged side by side at the front end of the connecting frame, a pin, a reset ejection unit and an unhooking unit, a sliding groove is arranged on the hook head corresponding to one side wall of the hook groove, and the pin is slidingly arranged in the sliding groove; the reset ejection unit is arranged between the pin and the hook head, and the front end of the pin is kept in an extended state under normal conditions by the reset ejection unit; the unhooking unit is arranged between the pin and the hook head, and the unhooking unit drives the pin to retract into the sliding groove. The application also discloses a hook unhooking device and a mine car. The application has the advantages of reasonable structure design, convenient and fast assembly, convenient production and manufacturing of components, and the ability to meet the functions of buffering and multidirectional automatic leveling, and is more practical.

The present invention provides a multi-degree-of-freedom coupler buffer system status monitoring device. The monitoring device is adapted to be installed on the coupler buffer. The status monitoring device structure includes a fixed seat, an angle sensor component, etc. The fixed seat includes a fixed arm, and a guide rod arranged on the fixed arm, and the guide rod is arranged in a vertical direction; the adapter arm is installed on the angle sensor component, and a hole structure is arranged along its length direction, and the guide rod is located in the hole structure. If the fixed arm is installed on the shell, the angle sensor component is rotatably installed on the force transmission rod; if the fixed arm is installed on the force transmission rod, the angle sensor component is rotatably installed on the shell. The monitoring device provided by the present invention can monitor the status of a multi-degree-of-freedom buffer system, solving the problem that the multi-degree-of-freedom buffer system cannot be monitored at present.

An apparatus for providing a barrier between a first rail car and a second rail car connected to the first rail car by a coupling includes a support assembly and a brush member. The support assembly includes a holding member, and is configured to be mounted on the first rail car. The brush member has a spine and a plurality of bristles extending from the spine. The spine of the brush member is received by the holding member of the support assembly such that the plurality of bristles occupy space above the coupling when the support assembly is mounted on the first rail car, thereby forming the barrier.

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.

The invention relates to a mounting interface (1) for attaching supporting components (2) to a buffer (10) of a rail vehicle (4), which comprises a mounting body (1) with a component fastening region (1a) and an attachment region (1b) that is different therefrom, wherein the component fastening region (1a) is equipped with fastening elements and / or holes (5) for attaching the components (2), and wherein the attachment region (1b) is formed in such a manner that it can be fastened to at least two fastening points at the rear side of a buffer flange (11) using buffer screws (12). The invention also relates to a buffer system and to a rail vehicle comprising such a mounting interface.

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).

The present invention belongs to the technical field of coupler buffers, and in particular relates to a gas-liquid buffer; the gas-liquid buffer comprises a cylinder body, a plunger assembly, and a throttling member; a measuring assembly is axially connected to the outer peripheral side of the closed end of the cylinder body, the measuring assembly comprises a measuring tube, a first accommodating chamber is formed inside the measuring tube, a displacement sensor capable of measuring the displacement of the gas-liquid buffer, and a pressure sensor capable of measuring the oil pressure in the first liquid chamber are provided in the first accommodating chamber; when the gas-liquid buffer is pressurized, the plunger assembly moves toward the closed end, the volume of the first liquid chamber decreases, the oil in the first liquid chamber enters the second liquid chamber, the pressure sensor monitors the pressure of the oil in the first liquid chamber in real time, and the displacement sensor monitors the displacement of the plunger assembly during the compression process in real time; whether the gas-liquid buffer has a fault can be judged without disassembling the gas-liquid buffer.

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 invention provides a coupler buffer device. The coupler buffer device adopts a tight-lock coupler, the coupler comprises a coupler head and a coupler handle integrated with the coupler head, and a first through hole is formed in the coupler handle; the coupler yoke comprises a main body part and a frame body part integrated with the main body part, and the main body part is used for being connected with a coupler and provided with a second through hole; the buffer unit is arranged on the frame body part; wherein the first through hole is provided with a rubber bearing, the second through hole is opposite to a bearing hole of the rubber bearing, and a coupler yoke pin penetrates through the second through hole and the bearing hole to connect the coupler with the coupler yoke. A novel coupling form between the tight-lock coupler and the coupler yoke is provided, and the tight-lock coupler can be used for a 25G passenger car and a 25K passenger car through the coupling form.

Rail vehicle fluid damper (1) comprising a container in which a guide bearing (6) is arranged at the head side and a piston (3) which, with a piston rod (4), can be moved into the container with a plate-shaped head (5) passing through the guide bearing (6), wherein a fluid medium (7) in a liquid state which is under static prestress is arranged in the container, and a reference piece (9) which is in direct contact with the fluid medium (7) is arranged in the container, characterized in that a sensor (15) is coupled to the reference piece (9) in such a way that the pressure of the fluid medium (7) can be measured and in that the sensor (15) is arranged on a side of the reference piece (9) which is facing away from the pressure.

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.