411 results about "Rail line" patented technology

A collision avoidance system (CAS) is described that includes one or more sensor technologies, including, for example, an Ultra Wideband (UWB) sensing technology. The collision avoidance system is designed to reliably track the location and speed of vehicles and the distance between vehicles over a wide variety of track and terrain. The collision avoidance system may utilize information from a variety of sensor technologies to determine whether one or more vehicles violate speed and/or separation criteria, and may generate a warning.

Elastomeric pads are shown for positioning on top of railroad ties. Pre-cast concrete panels that are commonly provided at railway grade crossings between and alongside the rails rest on the pads. The pads may be extruded from a variety of natural or synthetic elastomeric materials. The pads include a panel or body formed of the elastomeric material with an exterior surface. A synthetic, polymeric coating is applied to at least selected portions of the exterior surface of the elastomeric body. The coating provides improved properties which allow more standard elastomers to be utilized for the main body of the component. The coatings can also be applied to railroad tie boots to provide increased ozone resistance.

The invention discloses an overpass bridge dismounting method. A main overpass bridge deck system of a reinforced concrete combination overpass bridge is cut into three n-shaped beam units in the longitudinal direction, bridge surface separation is conducted under the condition that underbridge traffic is not closed, a bridge surface top board keeps a certain thickness and is not thoroughly cut when cut, it is avoided that cut-off reinforcing steel bars, concrete waste residues and cooling water fall onto a railway line and other business lines to affect normal operation of the railway line and the like in a cut process, residual unseparated layers of the bridge surface top board are cut with limited time according to the time replied by the railway department and other competent departments after preparatory work is ready, the bridge surface is clamped overall by using a hoisting tool, and the bridge surface which is clamped overall is separated in a hoisted mode by using a bridge girder erection machine suspension arm. Total construction time is shortened, the overall construction scheme is simple, rapid, convenient to implement, safe, reliable and high in operability, normal operation affected time of the railway line, a highway line and the other business lines is greatly shortened, and high timeliness and convenience are achieved.

The invention discloses a method and device for base station energy-saving operation in a high-speed rail private network. The method comprises the steps that train number information reported by communication equipment in a current high-speed rail train is received, and the moving direction of the current high-speed rail train is determined according to the train number information and a train number information list stored in advance; according to the moving direction of the current high-speed rail train and a neighbor cell list stored in advance, an original service base station needing to be closed and a target base station needing to be opened are determined; a base station closing command is sent to the determined original service base station, and a base station opening command is sent to the determined target base station; when the base station closing command corresponding to all received base station opening commands is received and the current state is an activated state, the activated state is switched to a dormant state. Compared with the prior art, the method and device for base station energy-saving operation in the high-speed rail private network not only can save electric power resources but also can reduce interference of the high-speed rail train for public networks near a high-speed rail line.

The invention discloses a line full section automatic detection system which comprises a hand-push type mechanical vehicle with a reference per se, a rotating laser scanning distance measuring device, a positioning device, a data acquisition device, a data analysis and processing device and a power supply device, wherein the rotating laser scanning distance measuring device, the positioning device, the data acquisition device, the data analysis and processing device and the power feeding device are arranged on the hand-push type mechanical vehicle; the rotating laser scanning distance measuring device and the positioning device are respectively connected with the input end of the data acquisition device; the output end of the data acquisition device is connected with the data analysis and processing device; the rotating laser scanning distance measuring device is arranged on a vehicle body beam of the hand-push type mechanical vehicle arranged on a line central line; and the data acquisition device is provided with a synchronous signal generation unit and is used for labelling a time label when acquiring data. Based on the invention, full section automatic detection on rail lines can be realized, and works departments can rapidly, conveniently, repeatedly and accurately measure a line full section without depending on operational vehicles and detecting vehicles and without calibration and dynamic compensation.

The invention discloses a construction method of a shield passing through a railway yard. Grouting is performed through a plurality of sleeve valve pipes inclining below a line on two sides of a stop to form a whole by single-side connection and double-side connection; bottom earth of the railway line is integrally enhanced; autostability of the earth is improved. By controlling tunneling parameters, reasonably controlling earth pressure and volume of extracted earth and performing high-rate segment gap synchronous grouting, stability of an excavation face is ensured, earth disturbance is decreased, strong support force is provided for the earth by segments, and settlement or collapse of th earth during tunneling is avoided. Reinforcement is achieved by grouting with steel perforated pipes at a tunneling rear arch portion; late settlement of the earth is avoided. The construction method has the advantages that earth settlement is all-directionally controlled in the construction of the field passing through the railway yard, construction safety risks are decreased, and the construction of the shield passing through the railway yard under severe geological conditions is achieved.

The personal transportation rail system includes an automated, elevated single lane throughway comprising multi-gauge rail track arranged in various combinations. A computerized control system regulates spacing of vehicles while maintaining uniform speed. The rail switching is accomplished by variable gauge rail wheels on the vehicle, which selectively engage or avoid engaging with various wider rail-gauge tracks. On-ramps extend from a guideway station and are taken by the vehicle temporarily engaging with a descending wide-gauge section of track that ends side by side in parallel with the narrow-gauge track. Off-ramps lead into the guideway station as the vehicle engages with the wide-gauge section of throughway track initially in parallel with the narrow-gauge track, the wide-gauge track ascending to remove the vehicle from the main rail line. Bypassing the guideway station involves continuing engagement of the variable gauge wheels with the narrow-gauge track. A level pitch is maintained during climbing and descending.

The invention relates to a UAV (Unmanned Aerial Vehicle) railway line inspection device, system and method. The device comprises a UAV, a UAV operator, at least two sets of cameras, a controller and a display; the UAV operator is installed on the UAV; at least one set of cameras is installed on the UAV; at least one set of cameras is installed in a railway tunnel; the cameras are used for acquiring field image data of railway lines; the field image data comprises images and coordinates of the railway lines; the controller is connected with the cameras, and used for receiving, processing and monitoring the field image data acquired by the cameras; the controller is connected with the UAV operator, and used for controlling the UAV operator to set flight parameters of the UAV; and the display is used for displaying the image data output by the controller. By means of the UAV railway line inspection device, system and method disclosed by the invention, the railway lines inside and outside the tunnel can be inspected; furthermore, post processing and monitoring of the acquired image data can be carried out; and thus, failure points of the railway lines can be judged and located more accurately.

The invention relates to a railway business line three-dimensional center line manufacturing method based on a point cloud and image fusion technology, and the method comprises the following steps: S1, field control measurement; S2, acquiring aerial photography data; S3, data preprocessing; S4, registering and fusing the laser point cloud and the image dense point cloud; S5, point cloud cutting; s6, performing real-scene three-dimensional reconstruction on the railway business line; s7, extracting track center feature points; s8, railway line center point feature extraction; and S9, manufacturing a railway three-dimensional center line. According to the method, the laser point cloud and the image dense point cloud are registered and fused, so that the density, integrity and smoothness of the laser radar point cloud are effectively improved; railway business line live-action three-dimensional reconstruction is carried out, and a live-action three-dimensional scene not only contains high-precision geometrical characteristics, but also contains rich texture attributes, so that measurement and discrimination are facilitated. According to the method, the workload of traditional railwaybusiness line surveying and mapping is effectively reduced, the field operation safety is greatly improved, and the method has great practical application value.

The invention discloses a soil stabilization structure and method for railway yard shield tunneling construction. Grouting holes stretching into the bottom of a rail track obliquely are formed in the two sides of a platform, double liquid grout contained in a sleeve valve pipe in each grouting hole condenses to form a reinforcing rod and a grout connecting ball outside the reinforcing rod, the grouting holes in each side are quincuncial, the grouting holes in the two sides are arranged in parallel in a staggered mode, every two adjacent grout connecting balls on the same side are connected, the grout connecting balls on the two sides are connected to form an integrated stereo netty structure, and then a stereo netty reinforcing structure is formed for the soil under the rail track, the strength and self-stability of the soil are improved, and shield tunneling construction is facilitated.

The invention discloses a three-dimensional visualization method for a multi-line railway, comprising the following steps of: constructing a multi-line horizontal and longitudinal section model and a digital terrain model (S1), constructing a multi-line cross section model (S2), designing a roadbed cross section (S3), constructing a multi-line railway model (S4), constructing a whole boundary line (S5) of a multi-line railway roadbed, cutting the digital terrain model (S6), forming a three-dimensional visual scene for a multi-line railway (S7), and automatically roaming and interactively viewing (S8). The multi-line railway model and the digital terrain model are constructed and rendered, and the multi-line railway design result is also showed in a visual three-dimensional visual scene, so that such conditions as bypassing, intersection, unequal height or parallelization of multiple railways are met and the three-dimensional visualization of the multi-line railway is realized. The complex relationship between multiple railways can be reflected in real time, and the design intent is expressed clearly. According to the method, not only is the design of the multi-line railway assisted and instructed, but also the re-verification and checking of the design solution are facilitated; meanwhile, the method is adaptable for the manufacturing and demonstration of the design sketch of the multi-line railway.

The invention provides multidirectional automobile accessory cutting equipment adjusted by multiple guide rail lines. The multidirectional automobile accessory cutting equipment adjusted by the multiple guide rail lines comprises a base plate, an iron round ball and an electric saw main body, wherein a cylindrical ring is rotatably connected to a base; the bottom end of a cylindrical rod C is rotatably connected to the top end surface of the electric saw main body; a supporting seat is welded at the right side of the top end surface of the electric saw main body; and two semicircular grooves are symmetrically formed in the left end surface of the supporting seat. The multidirectional automobile accessory cutting equipment adjusted by the multiple guide rail lines is provided with fine adjustment components, so that when an angle required to be cut is less than 90 degrees in the cutting process, the fine adjustment components can be used for adjustment. According to the adjustment method, as the cylindrical rod C is rotatably connected to the top end surface of the electric saw main body, two double-screw bolts are rotatably adjusted in opposite directions; and the supporting seat and the electric saw main body can be pushed to rotate around the cylindrical rod C at a certain angle through the telescopic adjustment of the two double-screw bolts, therefore, the fine adjustment ofdifferent angles can be achieved, and the angle adjustment relative to the gear transmission has relatively high precision.

A model apparatus is provided in that images from a model vehicle can be continuously watched on a monitor even when the model vehicle travels through a place surrounded by a shielding material. An image signal transmission route from the model vehicle to the monitor uses conductive rail lines for guiding the model vehicle and supplying drive power to a drive motor, so that even when there is an electromagnetic shielding material in the vicinity of a place where the model vehicle travels, the images can be continuously displayed on the monitor.

The invention discloses a vehicle-mounted non-contact transponder programming device and a vehicle-mounted transponder programming method. The device comprises a host unit and an antenna unit. The host unit is installed in a compartment, the antenna unit is installed outside the compartment, the host unit and the antenna unit are connected, the antenna unit is connected with a transponder through a wireless interface in an air gap, the host unit comprises a processing control unit, a comparison unit, a demodulating and decoding unit, a filtering unit, a message storage unit, a modulating unit, a power amplification unit and a power unit. The antenna unit comprises at least one of a 4.23 MHz antenna, a 9.032 MHz antenna and a 27.095 MHz antenna. The vehicle-mounted non-contact transponder programming device and the vehicle-mounted transponder programming method have the advantages that when a maintenance train with the vehicle-mounted non-contact transponder programming device passes a railway line, message programming work of all transponders installed on the line can be automatically finished, efficiency is high, and labor intensity is relieved; workers do not need to conduct message programming along the railway line, and potential safety hazards are eliminated.

The invention discloses a heavy rail abdominal cavity parameterization tolerance judging method and relates to the field of steel rolling. The heavy rail abdominal cavity parameterization tolerance judging method solves the problem that an existing judging method cannot be used for accurately judging heavy rail scanning fracture surface outline abdominal cavity parameters. The heavy rail abdominal cavity parameterization tolerance judging method comprises the steps that datum points are determined, scanning points on a lower jaw oblique line of a heavy rail scanning fracture surface outline rail head and scanning points on an upper oblique line of a rail leg are rotated and corrected, a linear equation of the lower jaw oblique line of a heavy rail standard fracture surface outline rail head is established, the corresponding scanning points are substituted into the linear equation to be calculated, a standard linear equation of the upper oblique line of a heavy rail standard fracture surface outline rail leg is established, the corresponding scanning points are substituted into the standard linear equation to be calculated, and lastly heavy rail scanning fracture surface outline abdominal cavity parameterization tolerance judging is carried out through comprehensive comparison. According to the method, errors are small, the judging result is close to a sample plate measuring result, and an effective basis is provided for rolling adjusting and lower steel rail line judging; moreover, the method can be achieved through a computer program, so the automation degree of heavy rail detecting can be improved, the manual measuring proportion is lowered, and the rhythm of production is improved.

The invention discloses a railway line horizontal and vertical and horizontal real-time linkage design method. Technical steps are included. creating a digital ground model (S1); opening the project file and automatically initializing a digital ground model (S2); (S3) setting railway line horizontal and vertical design basic parameters; creating railway line design flat vertical and horizontal viewports (S4); creating a railway line horizontal and vertical entity management dictionary (S5); carrying out interactive plane design (S6) in a plane viewport; (S7) carrying out automatic longitudinalsection design in a longitudinal section viewport; (S8) carrying out automatic cross section design in a cross section viewport; (S9) carrying out line scheme horizontal and horizontal real-time linkage type editing optimization; (S9) synchronously displaying and dynamically browsing horizontal and horizontal achievements according to mileage; According to the method, railway line plane interaction, longitudinal section and transverse section automatic design and a plane and transverse scheme real-time collaborative rapid adjustment function are achieved, the design process is high in automation degree and high in practicability, the design efficiency and the achievement quality can be greatly improved, and the obvious application and popularization value is achieved.

The invention discloses a plane-vertical-horizontal collaborative railroad bed drainage design method. The method includes (S1) constructing a rail track plane custom entity, (S2) constructing a railroad bed engineering custom dictionary, (S3) constructing three view ports in railroad bed drainage plane, vertical and horizontal, (S4) constructing a railroad bed horizontal section custom entity, (S5) designing a drainage ditch horizontal section custom entity, (S6) constructing a drainage ditch plane custom entity and performing drainage ditch plane design, (S7) constructing drainage ditch vertical section custom entity and a drainage ditch slope line custom entity and performing drainage ditch vertical slope design, (S8) performing drainage ditch plane-vertical-horizontal collaborative design, (S9) performing drainage engineering quantity computation and result form output, and (S10) drawing a railroad bed drainage system diagram. By the method, the plane, longitudinal section and horizontal section of a railroad bed drainage ditch are combined organically, vertical-horizontal collaborative drainage design is realized, the design is visual and optimal, random error of manual operation can be avoided effectively, reasonability in plane-vertical-horizontal design is guaranteed, and the method has obvious popularization and application value.

The invention relates to a dynamics coupling simulation method of a high-speed train system. Multidirectional coupling control of collaborative simulation based on simulation step length stages can be achieved under the interaction relationship among multiple device parameters and multiple fields based on interfaces and under the environment of parameter control. The method is used for collaborating all sub-systems of different simulation step lengths to achieve coupling control simulation. Influences in relative fields such as a train dynamics, bow net dynamics, an air dynamics, a car-line coupling dynamics and a car-air coupling dynamics are considered completely, coupling calculation among fields of high-speed train-line-bow net-pneumatic power-traction power supply based on integral step length stages can be achieved, and mutual influences of high-speed trains and surrounding environment such as rail lines, contact nets and flows are considered completely.

The invention discloses an electric or solar highway-railway combined automobile and a line thereof, consisting of a highway-railway combined automobile and a rail line with a power supply rail, wherein the highway-railway combined automobile is driven by a motor and is provided with a current collector and steel wheels as well as a solar battery. The electric or solar highway-railway combined automobile is characterized in that the automobile is guided by the steel wheels running on a steel rail, most of the weight of the automobile is born by the steel wheels and the automobile is driven by rubber wheels running on the pavement on two sides of the steel rail. The power of the line is supplied by a power grid and a solar panel and is provided with an automatic charge system. Since the unit energy consumption of a rail running automobile is below one tenth of that of automobiles on the highway, the driving range of the electronic automobile can be greatly increased. Meanwhile, the invention can charge a vehicle storage battery in the driving, is convenient and rapid and solves the problems of large installation space, large amount of increase of dead weight, short driving range, long charging time, fewer charging power stations of a storage battery of an electric automobile and the like, so that a pure electric automobile and a solar automobile can be widely generalized and applied on a large scale. In addition, the invention ensures that the modern environment-friendly new energy technology of solar energy can be widely and rapidly applied in the field of traffic and be energy-saving and environment-friendly.

A fully protective railroad freight car for carrying motor vehicles in a selected one of a bi-level or a tri-level configuration, with the lowest level including a depressed longitudinally central portion between body bolsters of the underbody, which may be a low-level flat car. A pair of vehicle-carrying decks are adjustable in height to provide for either one or two vehicle-carrying levels above the lowest level, while also providing at least a prescribed amount of vertical clearance above each vehicle-carrying deck. Ramps may be provided on the lowest level at an end of the car to provide a wheel-supporting surface having a prescribed minimum height. A roof structure is light in weight, and the car has an overall height not exceeding a prescribed limit for operation on most rail lines. The ends of the car are equipped with three-panel folding doors.

The invention discloses a horizontal and longitudinal integrated auxiliary optimization design method for an existing railway. The method comprises the following steps of (1) data input, wherein input data comprise control information, broken link data, actual measurement data, limit data, a line equipment ledger and an existing line ledger; (2) flat and vertical section graph display: the displayed graph comprises a vertical section linear graph and a plane linear graph, so that the railway line shape can be intuitively observed; (3) optimizing the line shape of a flat longitudinal section, wherein the optimization comprises the optimization of the line shape of the longitudinal section and the optimization of the plane line shape; and (4) independently checking and mutually checking the longitudinal section line shape and the plane line shape, returning to the step (3) if the longitudinal section line shape and the plane line shape do not conform to the railway maintenance design specification, and outputting longitudinal section line shape data and plane line shape data if the railway maintenance design specification is conformed. According to the invention, by inputting existing measurement data, automatic fitting of a vertical section and a plane line shape can be realized, manual optimization and manual modification are realized, and line shape optimization is more convenient.

The invention provides a rail transport vehicle power supply system comprising a follow-up power supply cart, a power taking mechanism mounted on a rail transport vehicle, an external power supply, and a controller. A power supply mechanism matching with the power taking mechanism is mounted on the follow-up power supply cart and connected with the external power supply to acquire power. The follow-up power supply cart reciprocates in a fixed range on a guide rail line of the rail transport vehicle. The power supply mechanism can be abutted to the power taking mechanism of the rail transport vehicle when the rail transport vehicle needs power, and can separate from the power taking mechanism after power supply, and the follow-up power supply cart can return its initial position after separation. The controller controls actions of the mechanisms. Therefore, normal power supply to the rail transport vehicle on a power-taking station segment of the rail transport vehicle is guaranteed.

The invention discloses a gear bogie suitable for steep-slope rail transit transportation. The gear bogie suitable for the steep-slope rail transit transportation comprises a bogie body; wheel pairs,a primary suspension and a secondary suspension are mounted on the bogie body; and a driving gear engaged with a toothed rail between two steel rails is also mounted in a position, between the wheel pairs, on the bogie body. The gear bogie suitable for the steep-slope rail transit transportation has the advantageous effects that the capability of running on toothed-rail lines (toothed-rail lines with climbing slopes of 5-45 %) and traditional lines (traditional lines with slopes of not larger than 5 %) is realized because the driving gear is mounted on the bogie body for the first time; the gear bogie suitable for the steep-slope rail transit transportation is especially suitable for transportation in tourist attractions with intensive passenger flow volumes and directly switched between the toothed rail lines and the traditional lines; and therefore, the gear bogie suitable for the steep-slope rail transit transportation is convenient and fast.

A railroad ballast removal system capable of removing ballast material from below a rail line. The railroad ballast removal system includes at least one rotary cutting wheel having a plurality of individually replaceable cutting attachments positioned about a perimeter of the rotary cutting wheel. Each rotary cutting wheel is attached to an articulated arm capable of adjusting the position of the rotary cutting wheel along varying axis. The articulated arm is mounted to a support structure capable of transporting the rotary cutting wheel to a portion of railway requiring maintenance of the ballast material. The railroad ballast removal system is able to operate at a spot location or in a continuous manner down a length of railroad track. The ability to manipulate the rotary cutting wheel along the various axis allows the rotary cutting wheel to be used for ballast removal in locations wherein adjacent railways limit cutting access.

The invention discloses a high-speed rail contact line conduction height and pull-out value inspection method based on an airborne laser radar. The method comprises the following steps: carrying out inspection, by using an unmanned aerial vehicle carrying the laser radar, along the upper side of a railway line to obtain original point cloud data of the line; preprocessing the original point clouddata; segmenting and extracting the processed original point cloud data to obtain contact network system point cloud and line plane point cloud; extracting a track in the line plane point cloud; carrying out point cloud segmentation on a contact suspension and strut support part in the contact network system; extracting a contact line in the contact suspension point cloud; and matching the contactlines with the corresponding tracks, reconstructing a measurement scene, and automatically measuring the conduction height and the pull-out value of the contact line at each point. According to the invention, high-precision, high-efficiency and large-range railway field contact line static parameter detection is realized, is hardly influenced by external illumination conditions, and even can workin a dark environment, so that the detection time range is expanded, and the flexibility of maintenance work arrangement is improved.

The invention relates to the technical field of vehicle and traffic facility engineering, in particular to a multi-travel-device vehicle, characterized in that a travel portion (2) includes at least two types of upper rail travel devices (7), lower rail travel devices (8), side rail travel devices (9), and road travel devices (10), or wheeltrack travel devices (11), maglev travel devices (12) and air-suspended travel devices (13), or at least two types of single-rail rack system (14), a double-rail rack system (15) and a multi-rail rack system (16); a multi-rail traffic facility is characterized in that a rail line (20) includes at least two types of a single-rail line (21), a double-rail line (22), a multi-rail line (23), or at least two types of an upper rail line (24), a lower rail line (25) and side rail lines (26), or at least two types of wheel rail lines (27), maglev rail lines (28), air-suspended rail lines (29), and conveyer belt surface rail lines (30). The multi-travel-device vehicle and the multi-rail traffic facility allow one vehicle to be multifunctional and one line to be multifunctional; vehicles, traffic facilities, and the cost and time consumption for 'whole trip range' are greatly reduced.