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1738results about "Railway auxillary equipment" patented technology

Retractable vehicle step

A retractable step for use with a vehicle comprises a stepping member having a stepping deck, a first arm, a second arm, a motor and a stop. The first arm has a first end pivotally attached to the vehicle, and a second end pivotally attached to the stepping member. The second arm also has a first end pivotally attached to the vehicle, and a second end pivotally attached to the stepping member. The motor is drivingly connected to the first arm such that a rotation of the motor causes rotation of the first arm about its first end and moves the stepping member from a retracted position to an extended position, or vice versa. The stop is located within the range of motion of the second arm such that the second arm bears against the stop when the stepping member is in the extended position. The first and second arms are situated such that the first arm is loaded in compression and the second arm is loaded in tension when the stepping member is in the extended position and a load is placed upon it. In another embodiment, a retractable vehicle step assist comprises a rigid frame, a forward planar linkage pivotably connected to the frame along a forward upper connection width, and a rearward planar linkage pivotably connected to the frame along a rearward upper connection width. The retractable vehicle step further comprises a rigid step member having a stepping deck. The step member is pivotably connected to the forward planar linkage along a forward lower connection width, and is pivotably connected to the rearward planar linkage along a rearward lower connection width and on a side of the forward planar linkage opposite the stepping deck. The stepping deck is substantially wider than any of the forward upper connection width, the rearward upper connection width, the forward lower connection width, and the rearward lower connection width.
Owner:LUND MOTION PRODS

Railway line inspection system

The invention discloses a railway line inspection system. The railway line inspection system comprises a coming and going train information acquisition subsystem, a data and fault processing subsystem, a flight control subsystem and a data acquisition subsystem. The coming and going train information acquisition subsystem determines coming and going train information of a railway line and sends the coming and going train information to the data and fault processing subsystem. The flight control subsystem controls the flight track and attitude of an unmanned aerial vehicle and the action of avoiding coming and going trains. The data acquisition subsystem is arranged on the unmanned aerial vehicle, acquires field data of the railway line and sends the field data to the data and fault processing subsystem to be processed, wherein the field data comprises radar scanning data and field image data of the railway line. The data and fault processing subsystem receives and analyzes the field data of the railway line and determines the fault type and generation position. The technical problems that an existing railway line inspection mode is single in means and low in reliability, affects normal train driving and cannot meet the requirements for high-speed railway operation safety can be solved.
Owner:ZHUZHOU TIMES ELECTRONICS TECH CO LTD

Metro tunnel fracture surface deformation detection system

ActiveCN101943577AWith long-term useWith automatic monitoringMeasurement devicesRailway auxillary equipmentData processing systemEngineering
The invention discloses a metro tunnel fracture surface deformation detection system, belonging to the tunnel engineering monitoring technical field. The system comprises a fracture surface scanning device, a mileage positioning device, an electrical equipment control device, a power source, a track detection vehicle and a station data processing system, wherein, the fracture surface scanning device, the mileage positioning device and the electrical equipment control device are arranged on the track detection vehicle; the power source is respectively connected with the fracture surface scanning device, the mileage positioning device and the electrical equipment control device through a power source convertor to supply power for the fracture surface scanning device, the mileage positioning device and the electrical equipment control device; a PLC controller is arranged in the electrical equipment control device; a rotary coder in the mileage positioning device, a sensor in the fracture surface scanning device and a rotary table stepped driver are respectively connected with the PLC controller; the PLC controller is connected with a wireless communicator through a wireless communicator in the station data processing system. The whole detection system of the invention has high portable integration degree, automatic operation process, convenient operation, low specialty technical requirements, rapid operation speed, extremely-time section surface measuring and high measuring precision, and the system precision is less than 3mm.
Owner:上海地铁盾构设备工程有限公司
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