Abstract: A trolley for supporting transporting units of a transportation system, wherein the transporting units are supported suspended from a guide defining a direction of movement; the trolley comprising: a frame; rolls supported by the frame and configured for resting and rolling on the guide; a suspending arm for supporting the transporting units, wherein the suspending arm pivots constrained to the frame about the direction of movement between a first and a second angular position; a rotation limiting device selectively operable for limiting or blocking the rotation of the suspending arm with respect to the frame.

Abstract: A pad for a railway rail fastening assembly, the pad being configured for placement between a rail and an underlying foundation, such as slab track or a sleeper, wherein a cross-section of the pad comprises: a second resilient layer configured to face a railway rail; an intermediate rigid layer; and a first resilient layer configured to face an underlying foundation. The rigid layer is provided between and is integrally formed with the first and second resilient layers. An edge of the pad comprises at least one ear that extends beyond a central region of the pad, the rigid layer extending into the ear with the ear being configured to resist rail roll.

Abstract: The invention relates to supporting a switch rail of a switch having a projecting leaf spring which can be pretensioned to the switch rail and on which the switch rail is displaceably arranged. Low friction and easy adaptation to the mounting position is possible in that the leaf spring is adjustably arranged in its longitudinal direction in a guide body which can be fastened to the stock rail.

Abstract: Some embodiments of the present disclosure provide a chassis component of a railway vehicle, and a railway vehicle. The chassis component includes two lower boundary beams provided at an interval and a sleeper beam provided between the two lower boundary beams. The sleeper beam includes: a web structure; a center pin, connected with a bogie of a railway vehicle; and a mounting frame, connected with the web structure, the center pin being provided on the mounting frame, the mounting frame including a plurality of vertical plates, and the plurality of vertical plates being provided at an interval along an outer wall surface of the center pin. The technical solution of the present disclosure can solve the problem in the related art of insufficient connecting strength of a center pin and a web structure of a sleeper beam.

Abstract: The present invention relates to a track switching apparatus for rail trolleys. It comprises at least one linear track, a curved track connected to the at least one linear track, at least one switching region formed at a connection region of the linear track and the curved track, and at least one switching unit disposed in the at least one switching region.

Abstract: A modern scenic passenger railcar system is disclosed. The railcar system incorporates design and safety features of modern freightcars and modern passenger scenic railway cars. The railcar system incorporates a center beam with a square cross section as well as specialized crash posts with its frame. This results in enhanced safety and crashworthiness. The railcar system also incorporates cross members for absorbing and distributing shock and mechanical stress on the railcar system during use, by withstanding torsion and shear forces on the frame. This results in improved mechanical integrity of the frame and the railcar system overall.

Abstract: A track switch that comprises track rails of basic (2), (3), straight, (4), (5) and lateral (6), (7) directions fastened on a slab track (1); sliding switch rails (8); (9) and point rails (10), (11) that are rigidly fastened to the slab track (1) by means of mounting means (12). The point rails and switch rails form points. The track switch comprises also a shift mechanism with a drive (14) and an axis (15), whereto sliding locks (16), (17) are connected. The point rails (10), (11) and the switch rails (8), (9) are connected with each other by means of units. Each of the units is a guide (18) that is rigidly fastened to the point rail, a wedge (19) that is rigidly fastened to the switch rail (8), (9), a cleat wedge (20) placed in the guides that is capable of moving longitudinally and fastened with its both ends to point rods (21) of the wedge (see FIGS. 1 and 4).

Abstract: A method for monitoring a pantograph. The method includes acquiring an impulse response of the pantograph, extracting a natural frequency and a damping coefficient of the pantograph from the impulse response, obtaining a similarity factor of a plurality of similarity factors, and detecting a fault in the pantograph from the plurality of fault types based on the plurality of the similarity factors. Acquiring an impulse response of the pantograph includes generating the impulse response by tapping the head of the pantograph and recording the impulse response utilizing a recording equipment.

Abstract: A speed control device that controls a speed of a train using a tacho-generator includes a calculating unit that calculates, when a pulse count signal obtained by conversion from an AC voltage signal that is outputted from the tacho-generator and corresponds to a rotating speed of a wheel of the train cannot be detected, a first speed using notch information, route data, and car characteristic data and calculates, when the pulse count signal can be detected, a second speed using the pulse count signal. The speed control device includes a position calculating unit that calculates a position of the train using the speed calculated by the calculating unit.

Abstract: A friction assist side bearing assembly for a truck assembly of a rail vehicle includes a first friction member, a second friction member that opposes the first friction member, and a cap coupled to the first friction member and the second friction member. The cap is configured to contact a portion of a car body coupled to the truck assembly.

Abstract: An inclined shaft continuous feeding system for solid backfilling materials includes a surface loading system, an inclined shaft transportation system, and a downhole unloading system. The inclined shaft transportation system is arranged between the surface loading system and the underground unloading system. The inclined shaft transportation system includes a bottom unloading dumper, support guide wheels, a guide rail, a drive wheel, a reverse wheel, and a traction steel wire rope configured between the drive wheel and the reverse wheel. The present invention can realize a steady, continuous and efficient transportation of the solid backfilling materials from the surface to down hole. Moreover, the material transportation system does not wear easily, has long service life and low material transportation cost.

Abstract: A double-track vehicle, comprising upper and lower carriages, which are respectively a passenger carriage (1) for providing passenger seats and a cargo carriage (2) for placing cargo, the passenger carriage (1) and the cargo carriage (2) being respectively provided with a passenger door (3) for passengers to get on and off and a cargo door (4) for loading and unloading cargo. The vehicle carries out simultaneous transport of passengers and cargo, allowing for the function of the rail vehicle to no longer be singular and largely reducing transport and maintenance costs. At the same time, passenger transport and cargo transport are divided into two layers, which completely separates cargo transport and passenger transport, thereby providing passengers with a comfortable seating environment and improving seating safety.

Abstract: A dual mode current collector includes a mounting frame having a pivot shaft extending along a pivot axis. A first current collector includes a housing pivotally connected to the pivot shaft, a shoe arm connected to the housing, and a shoe attached to the shoe arm. The shoe has a conductor surface configured to engage a rail. A second current collector includes a housing pivotally connected to the pivot shaft, a shoe arm connected to the housing, and a shoe attached to the shoe arm. The shoe has a conductor surface configured to engage a rail. A first actuator connected to the mounting frame and the first current collector is configured to rotate the first current collector about the pivot axis. A second actuator connected to the mounting frame and the second current collector is configured to rotate the second current collector about the pivot axis.

Abstract: Disclosed is railway vehicle coach, including a chassis and a bogie arranged below the chassis in a vertical direction. The coach includes a thermally insulating screen, arranged between the chassis and the bogie, above the bogie in the vertical direction.

Abstract: A traction mechanism, a bogie assembly and a straddle-type monorail vehicle are disclosed. The traction mechanism comprises: a traction component, comprising a transmission shaft and a traction connecting rod, the transmission shaft and the traction connecting rod being connected, the transmission shaft being suitable to be rotatably connected to a vehicle body, and the traction connecting rod being suitable to be hinged to a bogie frame; and a traction crank, both ends of the traction crank being suitable to be respectively hinged to the bogie frame and the vehicle body. The traction mechanism of the present disclosure has a simple and compact structure, and a transmission path of a traction force is short. The traction mechanism is convenient to assemble and disassemble, occupies a small space, is wide in usage range, can be used for low-floor and high-floor vehicles, and is also applicable to a single-axle bogie, a double-axle bogie and a multi-axle bogie.

Abstract: A novel freight car truck bolster comprising a top member with a center bowl and support shelves for side bearers, a bottom member with bearing surfaces for swing suspension springing elements, going into diagonal tension members, side walls joining the top and bottom members, vertical longitudinal ribs located between the top and bottom members with their thickness increased in the center bowl area, pockets to install friction wedges. The bottom member has increased thickness in the transition areas of the bearing surfaces into the diagonal tension members, and the vertical ribs have thickness increased at the top of the center bowl area, the rounded transitions of the sloping walls into the bottom member bearing surfaces have a radius exceeding the radius of the rounded transitions of the vertical walls into the said bearing surfaces.

Abstract: The invention relates to a rail vehicle. The rail vehicle comprises at least one rail vehicle outer wall. The rail vehicle further comprises a boarding arrangement having at least one first sliding step and one second sliding step. The first sliding step and the second sliding step are mounted so as to be laterally sliding. The first sliding step and the second sliding step can slide from a travel position to an end position by a lateral retraction movement in the direction of the outer wall of the rail vehicle. In the end position, the second sliding step protrudes beyond the first sliding step.

Abstract: A covered hopper railroad freight car having a car body whose opposite longitudinal sides include generally flat, parallel, substantially vertical upper side wall portions free from outwardly protruding structural strength members. A top chord of each of the side walls of the car is defined by a pair of parallel bend lines extending longitudinally along the upper margin of each side wall, and a roof is welded to the top chords of the side walls.

Abstract: A railroad car including a plurality of penetration resistant and protective structures including a penetration resistant and protective underframe, penetration resistant and protective first end, second end, and center bulkheads, penetration resistant and protective first, second, third, and fourth side walls, and protective first and second roof hatches, all configured to protect internal cylinder assemblies, the pipes that communicate the gas from the cylinders of the cylinder assemblies, and the safety critical valves, regulators, and other equipment connected to such cylinders and pipes of the railroad car in an accident (such as a derailment, crash and/or roll-over).

Abstract: Provided are a vehicle end skeleton structure and a rail vehicle having the same. The vehicle end skeleton structure comprises: a roof structure, the roof structure being a closed frame structure; and an end energy absorption structure, the upper end of the end energy absorption structure being connected with the roof structure, and the lower end of the end energy absorption structure being connected with a chassis. The technical solution provided in the present invention can solve the problem in the conventional art in which the collision performance of a vehicle end skeleton structure cannot meet current demands.