2044results about "Bogie-underframe connections" patented technology

Adjustable depth merchandising crossbar systems and methods dispense retail products, the crossbar systems and methods having a fixed portion comprising a first outer mounting assembly, a second outer mounting assembly movably connected to the first outer mounting assembly, and upright mounting hooks provided at rear sides of the first outer mounting assembly and the second outer mounting assembly, wherein the upright mounting hooks are configured to be mountable to retail aisle uprights and a sliding portion comprising a first inner sliding assembly and a second inner sliding assembly movably connected to the first inner sliding assembly. The crossbar systems and methods also have an expandable attachment bar connected to the first and second inner sliding assemblies of the sliding portion of the crossbar, wherein the expandable attachment bar is configured to receive at least one retail product merchandising pusher system for dispensing retail products and a plurality of sliding assemblies connected the fixed portion to the sliding portion of the crossbar. The sliding portion of the crossbar is movable to a closed position or to an at least partially extended position via the plurality of sliding assemblies.

A slider 24 is supported on a holder 19 of a steering wheel 11 via a coil spring 25 so as to be movable in a direction of an axis while an air bag module 20 is supported on a slider 24 via a damper spring 26 so as to be movable in a direction perpendicular to the axis. Since the coil spring 25 does not affect vibration of the air bag module 20 in the direction perpendicular to the axis, it is possible to set a spring constant of the coil spring 25 at a value appropriate for the operation of a horn switch 37, and to set a spring constant of the damper spring 26 at a value appropriate for the operation of the dynamic damper. As a result, it is possible to effectively reduce the vibration of the steering wheel 11 in the direction perpendicular to the axis with the dynamic damper without affecting the operability of the horn switch 37.

A control system for an adjustable damping force damper of a suspension apparatus of a vehicle, includes a lateral acceleration detecting unit detecting a lateral acceleration of the vehicle at a gravity point thereof, a yaw rate detecting unit detecting a yaw rate of the vehicle and a control unit controlling a damping force of the damper. The control unit calculates a first target damping force based on an output of the lateral acceleration detecting unit, calculates a second target damping force based on a lateral acceleration at an axel position which is estimated by an output of the yaw rate detecting unit, compares an absolute value of the first target damping force with that of the second target damping force and sets a target controlling value of the damping force in accordance with the first or second target damping force which has a larger absolute value.

A rail car mover apparatus for a loader vehicle comprises means to rotatably attach a pair of front rail wheels to a front end of the loader vehicle such that the front rail wheels are spaced to engage the pair of railroad rails and such that the front rail wheels can move up and down in response to forces exerted by a front actuator; means to rotatably attach a pair of rear rail wheels to a rear end of the loader vehicle such that the rear rail wheels are spaced to engage the pair of railroad rails and such that the rear rail wheels can move up and down in response to forces exerted by a rear actuator; and a coupler adapter adapted at a rear end thereof for attachment to a front portion of the loader arms and adapted at a front end thereof for coupling to a rail car hitch.

The present invention relates to a semi-active damper controlled by a control circuit including a direct control loop made up of an inverse model of the damper. The inverse model of the damper determines an ideal value for an electrical current ith for controlling a compression controlled-restriction valve and an expansion controlled-restriction valve on the basis of a measured value for a relative speed +E,dot y+EE between the two ends of the damper and on the basis of a force reference value Fc. The semi-active damper of the invention is applicable as a transverse secondary suspension for a passenger rail vehicle.

A hanging merchandising product divider and pusher system and method dispense retail products. The system and method have a first divider having a length defined between a front end and a rear end and a height defined between a top end and a bottom end, at least one second divider having a length defined between a front end and a rear end and a height defined between a top end and a bottom end, and at least one connection plate connecting at least a portion of bottom end of the first divider to at least a portion of the bottom end of the second divider. The system and method also have at least one rear support connector connecting at least a portion of the rear end of the first divider to at least a portion of the rear end of the second divider and a first pocket defined by the first and second dividers, the connection plate, the rear support connector and the front ends of the first and second dividers, wherein the first pocket is sized or configured to receive one or more first retail products. Further, the system and method have a pusher paddle movably connected to the connection plate between the first and second dividers, wherein the pusher paddle is urged towards a front-side of the hanging system such that the pusher paddle moves the one or more products towards the front-side of the hanging system when the one or more first retail products are positioned within the first pocket of the hanging system, and rear mounting hangers located at a back-side of the hanging system.

The invention discloses a bogie of a high-speed motor train unit. By adopting a brand-new bogie structure and a hanging connection and traction mode, overall lightweight design is realized, the unsprung weight of the bogie is reduced, and the hanging parameter between the bogie and a body is optimized. On the basis that the high-speed running speed is met, stability when the bogie passes through a big corner and good traction and braking performance are expected. The bogie comprises a framework, two groups of wheel set travelling devices, a linear motor, a first hanging device, a second hanging device, a traction device and a foundation brake device. The framework comprises a pair of side beam assemblies and a pair of cross beam assemblies which are connected with each other; each side beam assembly has a hollow box body structure, and comprises a pair of upper and lower cover plates and a pair of lateral web plates which are welded; each cross beam assembly comprises a pair of hollow steel pipes penetrating the lateral web plates and welded with the lateral web plates; and a pair of air spring supporting beams is welded at two ends of a steel pipe and outside the lateral web plates.

A rail road freight car truck has a truck bolster and a pair of side frames, the truck bolster being mounted transversely relative to the side frames. The mounting interface between the ends of the axles and the sideframe pedestals allows lateral rocking motion of the sideframes in the manner of a swing motion truck. The lateral swinging motion is combined with a longitudinal self steering capability. The self steering capability may be obtained by use of a longitudinally oriented rocker that may tend to permit resistance to deflection that is proportional to the weight carried across the interface. The truck may have auxiliary centering elements mounted in the pedestal seats, and those auxiliary centering elements may be made of resilient elastomeric material. The truck may also have friction dampers that have a disinclination to stick-slip behaviour. The friction dampers may be provided with brake linings, or similar features, on the face engaging the sideframe columns, on the slope face, or both. The friction dampers may operate to yield upward and downward friction forces that are not overly unequal. The friction dampers may be mounted in a four-cornered arrangement at each end of the truck bolster. The spring groups may include sub-groups of springs of different heights.

A vehicle, particularly a semitrailer, is adapted for driving on both a road and a railroad track. The semitrailer includes a traction vehicle, which is joined articulately to a trailer. The traction vehicle has a front rail-wheel unit and a rear rail-wheel unit, whereas the trailer includes only one rear rail-wheel unit. At least one of the two latter rail-wheel units includes drive means, and one or both of said units may consist of a bogie that includes two axles, or one or both of said units may be a single-axle unit. All rail-wheel units are vertically movable to enable the vehicle to be placed on the railroad and adjacent rubber wheel to be lifted.

A cylinder device (1) according to the present invention includes: a cylinder (2); a piston (3) slidably inserted into the cylinder (2); a rod (4) inserted into the cylinder (2) and connected to the piston (3); a rod-side chamber (5) and a piston-side chamber (6) partitioned by the piston (3) within the cylinder (2); a first on-off valve (9) provided in the middle of a first passage (8) allowing the rod-side chamber (5) to communicate with the piston-side chamber (6); a second on-off valve (11) provided in the middle of a second passage (10) allowing the piston-side chamber (6) to communicate with the tank (7); and a pump (12) for supplying liquid to the rod-side chamber (5).

An air spring device includes an air spring (4) wherein gas is filled in an interior defined by an upper face plate (1), a lower face plate (2), as well as a cylindrical flexible diaphragm body (3) having opposite ends gas-tightly connected to the upper and lower face plates (1, 2), respectively. Between the lower face plate (2) and a lower supporting plate (8) spaced downward therefrom, a shear spring means (5) and a compression spring means (6) are series-connected, which are made mainly of rubber material. When a vertical load is applied to the air spring device, the shear spring means (5) and the compression spring means (6) are subjected mainly to shearing deformation and compressive deformation, respectively. The air spring device further includes an abutment member (10) allowing the compression spring means (6) to support the load in place of the shear spring means (5), after the deformation amount of the shear spring means (5) reaches a predetermined level.

An elastomeric spring assembly for a railcar apparatus is disclosed. The elastomeric spring assembly includes an elongated body of elastomeric material having a series of axially spaced members coaxially arranged and wholly embedded within the body of elastomeric material. The majority of the embedded members are configured to resist radial outward movement of said elastomeric material while causing the elastomeric material to react in an axial direction between confronting surfaces defined by the members upon axial deflection of the elastomeric spring whereby enhancing performance characteristics of the spring assembly. A method of making an elastomeric spring assembly is also disclosed.

An improved three-piece truck system for railroad cars provides long travel side bearings for improved stability, a “wide” friction shoe design or equivalent to improve sideframe and bolster squareness, a resilient pedestal pad for improved curving performance and enhanced wear resistance, and a suspension system tuned and optimized for rail cars to have a minimum reserve capacity of less than 1.5 to improve motion control and ride quality, increase resistance to suspension bottoming, and increase hunting threshold speed. Such a motion control truck system is able to meet recent, more stringent American Association of Railroads standards, such as M-976, for railcars having a 286,000 lb. gross rail load rating.

A rail road freight car truck has a truck bolster and a pair of side frames, the truck bolster being mounted transversely relative to the side frames. The mounting interface between the ends of the axles and the sideframe pedestals allows lateral rocking motion of the sideframes in the manner of a swing motion truck. The lateral swinging motion is combined with a longitudinal self steering capability. The self steering capability may be obtained by use of a longitudinally oriented rocker that may tend to permit resistance to deflection that is proportional to the weight carried across the interface. The truck may have auxiliary centering elements mounted in the pedestal seats, and those auxiliary centering elements may be made of resilient elastomeric material. The truck may also have friction dampers that have a disinclination to stick-slip behaviour. The friction dampers may be provided with brake linings, or similar features, on the face engaging the sideframe columns, on the slope face, or both. The friction dampers may operate to yield upward and downward friction forces that are not overly unequal. The friction dampers may be mounted in a four-cornered arrangement at each end of the truck bolster. The spring groups may include sub-groups of springs of different heights.

The invention discloses a rail engineering truck steering frame belonging to the field of rail vehicle steering frames. Aiming at the defects of large turning radius and incapability of meeting the low-speed operation working conditions of the traditional rail engineering truck, the steering frame comprises an H-type frame, ATP (Array Transform Processor) induction coil devices arranged at end parts of two lateral beams of the frame, rim lubricating devices arranged at two ends of a locomotive, a primary suspension device, a secondary suspension device, a third rail current collector arranged at the middles of the lateral beams of the frame, a basic brake device transversely arranged on the lateral beams of the frame, and a traction device connected with the frame by adopting a full-suspension manner; and a gear box is hung on a cross beam of the frame and is internally provided with two stages of gear transmissions with total transmission ratio of (7.63-10.03):1. The rail engineering truck steering frame has the highest operation speed of 90km / h, the continuous speed of about 18km / h and the lowest operation speed of below 5km / h and has the advantages of small turning radius, high low limit, simpler structure, convenience for maintenance and high reliability.

A long travel constant contact side bearing for railway cars provides better handling characteristics, achieving improved tracking and curving through use of various combinations of features. The side bearing comprises a base and a generally cylindrical wall section extending upwardly from the base. A cup-shaped cap comprises a generally circular top section and a generally cylindrical wall section extending downwardly therefrom. The cap extends into the wall section of the base. At least one coil spring is provided within the base and extends to the underside of the cap. The cup shaped cap includes a centrally located cut out section with an elastomer pad fitted within the cut out section. The cup shaped cap cylindrical wall sections can be coated with a lubricant or hardening substance.

The invention relates to an urban railway working vehicle bogie and particularly provides a straddle type single track working vehicle bogie, aiming at solving the problems that an existing bogie cannot meet the operation requirement that a single track road has more bends and slopes and is narrow. The straddle type single track working vehicle bogie comprises a framework, a secondary suspension device and a traction device, wherein the whole body of the framework is of an II-shaped all-steel assembly welding plate type box-shaped structure, and comprises a side beam, an end beam and longitudinal beams; motor brackets are fixed between the upper part of the side beam and the longitudinal beams respectively; the motor brackets are provided with walking wheel assemblies; four guide wheel assemblies are mounted in the middle of the side beam and two stable wheel assemblies are mounted on the two sides of the lower part of the side beam; the secondary suspension device adopts a secondary steel coil spring assembly; walking wheels are rubber steel wire tyres filled with nitrogen; guide wheels and stable wheels are additionally arranged so that a working vehicle can be safely and stably operated; the turning radius is small, the climbing capability is strong, the sticking force is high, the highest operation speed is 40km / h, the working speed is 5km / h and the rescuing speed is less than 5km / h; the straddle type single track working vehicle bogie has a simple structure, is convenient to maintain and has a reliable performance.

A railway freight car constant contact side bearing positionable between a railway vehicle body and a wheeled truck supporting said railway freight car body with a housing or cage and a cap on such cage to engage the wear plate on the car body. The cage houses a plurality of springs having at least one metallic spring and at least one elastomer spring; such springs combine to support and dampen the forces of said vehicle body.

An autorack rail road car is provided with a truck that includes a pair of sideframes supported on wheel sets with bearing adapters positioned therebetween. The bearing adapters and the sideframes have associated parts or surfaces with curvatures configured to permit lateral swinging of the sideframes. A bolster is supported by the sideframes, and sets of laterally arranged dampers are provided therebetween to control the relationship between the sideframes and the bolster.

The invention provides a low-floor tramcar bogie. The low-floor tramcar bogie comprises a framework, a swing bolster, a drafting device connected with a car body, a shaft box, a wheel set, a driving device, a foundation brake device, a magnetic track brake device, a primary suspension, a secondary suspension, a dragging device, a stone sweeper and a sand scattering device. The framework comprises side beams and end beams, a cross beam is arranged between the side beams and provided with a driving motor fixing plate and a positioning block, a positioning protrusion is arranged on the positioning block, a driving motor of the driving device is fixed to the driving motor fixing plate, positioning is conducted through the positioning protrusion and a positioning groove, and a cantilever of the driving motor is hung on a transmission shaft of the wheel set. A side bearing box is arranged in the swing bolster, and a catching groove is formed in the edge of the side bearing box. The dragging device connected with the car body comprises an installing plate, a connecting pin, a gasket and a pin shaft. A gap is formed between the pin shaft and the gasket. The magnetic track brake device conducts limiting operation through a magnetic track brake limiting device. By the adoption of the structure, the strength of the framework is improved, the transverse motion amplitude of the swing bolster relative to the framework can be reduced, and the driving device can be reliably supported and fixed.

A rail road freight car truck has a truck bolster and a pair of side frames, the truck bolster being mounted transversely relative to the side frames. The mounting interface between the ends of the axles and the sideframe pedestals allows lateral rocking motion of the sideframes in the manner of a swing motion truck. The lateral swinging motion is combined with a longitudinal self steering capability. The self steering capability may be obtained by use of a longitudinally oriented rocker that may tend to permit resistance to self steering that is proportional to the weight carried across the interface. The trucks may have auxiliary centering elements mounted in the pedestal seats, and those auxiliary centering elements may be made of resilient elastomeric material. The truck may also have friction dampers that have a disinclination to stick-slip behaviour. The friction dampers may be provided with brake linings, or similar features, on the face engaging the sideframe columns, on the slope face, or both.

The invention discloses a framework. The framework comprises a cross beam and a side beam, wherein the side beam is of a sheet structure and hunches up in the center in the longitudinal direction; and the cross beam is connected to the hunching-up top of the side beam and detachably connected with the side beam. The invention further provides a bogie at the same time. The bogie comprises the framework; integration mounting bases are installed on the upper surfaces of the transverse two ends of the cross beam correspondingly; each integration mounting base comprises a foundation seat, a pair of brake mounting seats, a vertical absorber seat and an antiroll device mounting seat, wherein the brake mounting seats are arranged on one side of the foundation seat in the same straight line in a back-to-back mode, the vertical absorber seat is arranged at one end of the other lateral side of the foundation seat, and the antiroll device mounting seat is arranged on the other end of the other lateral side of the foundation seat; and the side beam, the cross beam and the integration mounting bases are in series connection sequentially through fasteners. The problem that a framework made from carbon fiber composite materials is poor in welding property is solved. The longitudinal, transverse and vertical rigidity decoupling of the side beam and the cross beam is achieved. The framework and the bogie have the advantages that the structure and assembling process of the bogie are simplified, and the loading burden of the framework is relieved.

An auto rack rail road freight car is provided for carrying low density, relatively high value, relatively fragile lading. The car has a relatively soft suspension and an empty vertical bounce natural frequency of less than 2.0 Hz. The car also has additional ballast to increase the dead sprung weight of the car relative to the weight of the lading. In the embodiments in which multi-unit articulated freight cars are employed, such as for auto rack rail cars, the ballast is located preferentially toward the coupler end trucks. The trucks for the railcar have an increased wheel base and damping located to provide a greater moment arm and bearing face to encourage a higher threshold for rail car hunting.

The invention discloses a suspension type monorail train bogie. The suspension type monorail train bogie comprises a framework, a traction suspension device, guide wheels, walking wheels, a driving device, a brake device and a collector shoe. The at least eight guide wheels are arranged at the four end corners of the upper portion of the framework and the four end corners of the lower portion of the framework respectively, the driving device comprises a gearbox, the four walking wheels are arranged on four output shafts of the gearbox respectively, the guide wheels are solid rubber wheels, and the walking wheels are inflated rubber wheels. The eight solid rubber wheels are used as the guide wheels, the self-guide function of the bogie is achieved, the four inflated rubber tires are used as the walking wheels, longitudinal force between a train and a rail is transmitted, and the weight of the train is borne. The suspension type monorail train bogie is compact in structure, excellent in train running stability and riding comfort, and capable of being driven on lines with the big gradient (100 parts per thousand) and the small radius (the minimum curve radius of the plane is 30 m) and has the good adaptability to the complex terrain (up and down terrain, mountain cities and rivers).

A railcar truck and adapter pad system for placement between a roller bearing and side frame pedestal roof of a three-piece railcar truck. Many different features of the pad and / or the adapter-pad interface are configured to improve stiffness characteristics to satisfy both curving and high speed performance of the railcar truck.

The present invention controls rolling motion of a vehicle by eliminating the detrimental influence of gyro moment on the motion of the vehicle and actively using gyro moment generated by a flywheel constituting an energy storing device. The invention relates to an attitude control device for a vehicle mounted with a flywheel as an energy storage device, the flywheel being pivotally supported about first and second axes mutually orthogonal with each other, the flywheel being mounted on a body of the vehicle such that the first axis extends in a front-rear direction of the body, the attitude control device comprising locking means for locking movement of the flywheel about the first axis, wherein a rolling motion of the vehicle is controlled by locking the movement of the flywheel about the first axis using said locking means.