In one or more embodiments, techniques are provided for modeling overhead line structures of electric railways that utilize a flexible, reusable structure template to automatically generate a 3D model of the overhead line structure. Each structure template includes a set of points that represent joints of the overhead line structure and components that represent elements of the overhead line structure. A feature definition of each joint and component includes properties, constraints and cell mappings. By mapping key points of reference lines for an overhead line structure to key points in an applicable structure templet for the overhead line structure, and applying the constraints and, in some cases the cell mappings, a 3D model of the overhead line structure is automatically generated. The 3D model may be a “low detail” stick representation for fast modeling, or, using the cell mappings, a “high detail” cell-based representation for very realistic modeling.

The present invention is provided with: a sensing unit which is provided in a vehicle and measures the three-dimensional shape of an object; a matching unit for performing matching between multiple sets of structure information, in which are associated a data group indicating the three-dimensional shapes of structures provided beforehand near a path the vehicle will travel along and positional information indicating the posit ions of the structures, and a data group indicating the three-dimensional shape of the object measured by the sensing unit, and for specifying the position of the object; and an estimated position determination unit for determining, with the position specified by the matching unit as a reference position, the estimated position of the vehicle on the basis of the reference position.

A device for the maintenance of an overhead line system of a track has a handling device and a displacement device. The displacement device serves to displace the handling device between a transport position and a working position. In the working position, the handling device reaches the overhead line system and is able to perform maintenance work by way of a tool. At least one sensor serves for controlling and/or monitoring the handling device. The device thus enables a simple, efficient and safe maintenance of the overhead line system.

If a failure of components of a transport-system sliding contact can be predicted, preventive maintenance that is sometimes unnecessary is eliminated and an alternative run-to-failure approach associated with downtime can be avoided. A system and a method detect wear of a transport system, which system has a sliding contact with a current collector and a current-carrying conductor. A current-collector vibration sensor mounted on the current collector is configured to register vibrations produced by driving motion of the vehicle along the current-carrying conductor and to wirelessly transmit the vibrations to a background system. The background system is configured to subject data transmitted to the background system, in particular the registered vibrations, to an analysis and to signal wear of the transport system, in particular wear of the current collector and/or of the current-carrying conductor, on the basis of the analysis.

The invention relates to a greasing device for a contact wire which can be clamped into a conductor rail for the electrical energy supply of a pantograph of a rail vehicle, comprising: a basic body extending in a longitudinal direction, a transverse direction perpendicular to the longitudinal direction and a vertical direction perpendicular to the longitudinal direction and perpendicular to the transverse direction, a passage opening penetrating the basic body from a front side, seen in the longitudinal direction, to a rear side, seen in the longitudinal direction, through which the contact wire can be pushed in the longitudinal direction, and a supply line leading into the passage opening for introducing a grease which can be applied to the contact wire, wherein the passage opening as seen in the longitudinal direction after the supply line.

The invention relates to a greasing device for a contact wire which can be clamped into a conductor rail for the electrical energy supply of a pantograph of a rail vehicle, comprising: a basic body extending in a longitudinal direction, a transverse direction perpendicular to the longitudinal direction and a vertical direction perpendicular to the longitudinal direction and perpendicular to the transverse direction, a passage opening penetrating the basic body from a front side, seen in the longitudinal direction, to a rear side, seen in the longitudinal direction, through which the contact wire can be pushed in the longitudinal direction, and a supply line leading into the passage opening for introducing a grease which can be applied to the contact wire, wherein the passage opening as seen in the longitudinal direction after the supply line.

The invention concerns a method for greasing a contact wire for the electrical power supply of a pantograph of a rail vehicle comprising: inserting the contact wire into a passage opening of a base body extending in a longitudinal direction, a transverse direction perpendicular to the longitudinal direction and a height direction perpendicular to the longitudinal direction and perpendicular to the transverse direction, whereby the passage opening penetrating the base body in the longitudinal direction as seen from a front side to a back side as seen in the longitudinal direction, and accelerating the base body in the longitudinal direction so that the contact wire is moved through the passage direction, characterized by introducing grease into the passage opening through which the contact wire moves at a feed rate at which the introduced grease exits the passage opening at the back of the base body under a predetermined condition.

The invention concerns a method for greasing a contact wire for the electrical power supply of a pantograph of a rail vehicle comprising: inserting the contact wire into a passage opening of a base body extending in a longitudinal direction, a transverse direction perpendicular to the longitudinal direction and a height direction perpendicular to the longitudinal direction and perpendicular to the transverse direction, whereby the passage opening penetrating the base body in the longitudinal direction as seen from a front side to a back side as seen in the longitudinal direction, and accelerating the base body in the longitudinal direction so that the contact wire is moved through the passage direction, characterized by introducing grease into the passage opening through which the contact wire moves at a feed rate at which the introduced grease exits the passage opening at the back of the base body under a predetermined condition.

The present disclosure relates to a trolley wire detection device and a trolley wire detection system . The trolley wire is disposed on a guide rail and is disposed along an extending direction of the guide rail; the trolley wire detection device includes a current collector assembly connected to the trolley wire; a power mechanism, slidably disposed on the guide rail; and an engagement assembly disposed between the current collector assembly and the power mechanism, the engagement assembly being configured to provide a preset engagement force to connect the current collector assembly and the power mechanism; wherein the power mechanism is configured to drive the current collector assembly to move along the trolley wire through the engagement assembly, and the current collector assembly is configured to be disengaged from the power mechanism when a resistance generated by the trolley wire is greater than the preset engagement force.

A trolley for inspecting railway construction parameters having two frames, left and right, joined in a folding manner with a central body, wherein each frame is provided with a running assembly mounted on the free ends of the frames, wherein the running assemblies are foldable with respect to the frames and wherein a telescopic column emerges from the central body, the final section of which has a handle for operating the trolley and a tray for resting control equipment, such as a computer, wherein the tray is foldable with respect to the telescopic column and the latter is foldable with respect to the central body until it touches the top plane of the frames, forming a compact, portable assembly that can be operated by a single operator and is easy to operate.