113 results about "Unit train" patented technology

An electronically controlled pneumatic (ECP) end of train (EOT) pneumatic emulation system allows fill train operation of standalone ECP unit trains, even with non-ECP equipped locomotives. The emulation system is based on close integration with the EOT system and allows operation of unit trains equipped with “all electric” ECP without pneumatic overlay or emulation capability, using standard, non-ECP equipped locomotives.

The invention is suitable for the field of motor train unit train test run and provides a test line train control system and a test run method. The system comprises a first end track section, a first service braking section, a split-phase section, a second service braking section and a second end track section, all of which are sequentially connected. A CTCS level switching section is further arranged between the split-phase section and the second service braking section. Test line train control center equipment is arranged in a test run control room beside a test line track. Test line outdoor equipment comprises an active/passive transponder set, an interval parking signboard, a mileage position calibration mark, split-phase section outage marks, a temporary speed restriction mark, service braking marks, emergency braking marks and track circuit outdoor equipment. Motor train unit ATP train-mounted equipment communicates with an RBC through a GSM-R. By the adoption of the embodiment, the purpose that the performance of train control train-mounted equipment can be comprehensively tested simply by one time of back-and-forth operation of a motor train unit on a test line.

The invention discloses a multiple-unit train maintenance base (station) centralized control system. The control system includes a train operation adjustment plan receiving unit, a train plan adjustment unit, a shunting suggestion plan making unit, a shunting plan adjustment unit, a plan correlation unit, a route command scheme selection unit, a control command issue unit, a plan conflict adjustment unit, a plane execution feedback unit and a multiple-unit train location tracking unit and a multiple-unit train identification unit. With the multiple-unit train maintenance base (station) centralized control system of the invention adopted, scheduling personnel of a multiple-unit train maintenance base (station) and a multiple-unit train maintenance unit can perform centralized control on signal equipment in the maintenance base and unit, directly command and manage trains and shunting operation, and automation of a scheduling process of the multiple-unit train maintenance base (station) and the multiple-unit train maintenance unit can be realized. The multiple-unit train maintenance base (station) centralized control system is a key link for realizing management and control integration of the multiple-unit train maintenance base (station) and the multiple-unit train maintenance unit, and can fully meet on-site production operation needs and can assist in improving production efficiency and work quality.

To allow continuous paper to be printed a plurality of times with a time difference by ink jet printer equipment and dried each time of printing while preventing condensation from occurring on an ink discharge surface of print head at and after the second time of printing, there is provided a printing apparatus comprising: a plurality of trains of printing units each of which has print heads arranged along a direction in which a continuous sheet of paper travels and which are arranged parallel to one another as shifted mutually in position in a direction of width of the continuous sheet of paper; a dryer section in which a plurality of continuous sheets of paper from the plural printing unit trains can travel as mutually shifted in position in a direction of width of the continuous sheet of paper; a cooling roller unit disposed downstream of the dryer section and having a cooling roller on which the plurality of continuous sheets of paper from the dryer section can be wound as mutually shifted in position in a direction of width of the continuous sheet of paper; and a turnover unit disposed between the cooling roller unit and a train of printing units for shifting the continuous sheet of paper in position into a direction of its width while reversing the direction in which it travels.

The invention provides a method, device and system for monitoring high-speed electric multiple unit train bogie bearing faults. The method includes: obtaining vibration signals of a bogie bearing axle box, noise signals in a train compartment and running speed of a train; obtaining a vibration signal acceleration effective value according to the vibration signals; performing spectral analysis on the vibration signals and the noise signals, and extracting vibration characteristic frequency and noise characteristic frequency from an analysis result; and generating monitoring information according to the vibration signal acceleration effective value, the vibration characteristic frequency, the noise characteristic frequency and the speed. The method, device and system for monitoring high-speed electric multiple unit train bogie bearing faults is timely and accurate in monitoring result, and can provide reference for workers in time so as to improve traveling safety of the high-speed electric multiple unit train further.

A dynamic monitoring method and system for vehicle information of multiple unit trains mainly solve the problem of effectively combining real-time monitoring data of WTD equipment with the locomotiverunning time, running speed and mileage information and realizing the real-time monitoring and analysis of the WTD equipment in a running process of the multiple unit trains. The system comprises a vehicle-mounted information acquisition device, a ground server and a user terminal. The method comprises the following steps: enabling the vehicle-mounted information acquisition device of the system to acquire the running state information, vehicle door information, lifting bow information, vacuum circuit breaker (VCB) state information and equipment fault information of the WTD equipment and thetrain running speed, location and other information, performing data encryption, and then transmitting the data to the ground server, enabling the ground server to classify and store the received dataafter parsing and analyzing the data, enabling the user terminal to receive the WTD equipment monitoring data and train running data sent by the server through a railway office network, and displaying the monitoring data in real time in numerical and curve forms.

A position tracking apparatus includes: a depth image obtaining unit for obtaining a depth image; a database created by collecting depth images received from the depth image obtaining unit; a feature extracting unit for extracting features from each pixel of the depth image; a classifier training unit for training a classifier in order to determine the position of the parts of the body by receiving a feature set for each part of the body as inputs which are extracted by using the feature extracting unit from all of the depth images in the database; and a position determination unit for extracting features for each pixel of the depth image received by the depth image obtaining unit using the feature extracting unit in a state in which the classifier training unit trains the classifier, and for tracking the three-dimensional position of each part of the body through the classifier.

The invention discloses an abrasive block for high-speed multiple unit trains. The abrasive block is prepared from a composite material composed of phenolic resin, steel fibers, copper-aluminum powder, carbon fibers, tungsten carbide, aramid fibers, iron oxide black, acrylonitrile-butadiene rubber and accelerant. The invention further provides a method for preparing the abrasive block, which prevents the occurrence of high-temperature stress cracks and hot cracks in the process of using the abrasive block by optimizing the component ratio and a processing technique. Moreover, by adopting an intermittent heating method and multiple times of heat treatment, the problems, such as stripping and easy abrasion, which take place in the process of using abrasive blocks at present are optimized.

The invention belongs to the technical field of rail traffic vehicle and high-voltage electrical equipment on-line insulation monitoring and especially relates to a multiple-unit train high-voltage equipment insulation state on-line monitoring system, which is used for realizing on-line monitoring of the insulation state of 25 kV high-voltage equipment of a multiple-unit train. Through classification of multiple-unit train high-voltage equipment, characteristic quantity screening, wireless transmission, high-voltage induction power obtaining, expert database and fuzzy function operation, the difficulty that a conventional power system on-line insulation monitoring mode cannot be applied to the multiple-unit train, which is characterized by high-speed movement, single-phase power supply, non-single-point grounding, harsh environment and strict requirements and the like, is solved; and the system comprises a data acquisition unit and an analysis and diagnosis unit. The data acquisition unit is used for extracting characteristic quantity of a monitoring object, and transmitting the data in a wireless manner to the data analysis and diagnosis unit for analysis and diagnosis and signal output. The system is reliable in principle, high in precision, high in accuracy, high in safety and good in reliability, is of great significance to promotion of continuous development of the high-speed rail cause, and has good economic benefits and a broad market prospect.

The invention discloses a casting method of a nodular cast iron axle box for a bogie of multiple unit trains below 40DEG C. The method comprises the following steps of: preparing 88-92% of pig iron, 8-11% of scrap steel, 1.7-2.0% of ferrosilicon and 0.2-0.24% of carburant by weight; smelting the materials in a medium-frequency induction furnace into molten iron; adjusting the components in weight so that the molten iron comprises 3.6-3.8 of C, 1.9-2.5 of Si, less than or equal to 0.05 of Mn, less than or equal to 0.02 of P, less than or equal to 0.01 of S and balance of Fe; when the furnace temperature reaches 1,550DEG C, purifying the molten iron and performing nodulizing, pouring, mold filling and shakeout; and performing inoculation processing for three times in the nodulizing and pouring process. For the nodular cast iron axle box manufactured by the casting method, the tensile strength reaches 400MPa, the yield strength is 260MPa, the elongation is higher than 18%, the impact work is greater than 12J below -40DEG C, and an axle box with more persistent and stable performance and high quality is provided for the high-speed rails in cold areas.

The invention provides a method for designing the train body anti-collision performance of a long-numbered motor train unit with the speed per hour of 350 kilometers and relates to the technical fieldmotor train unit train body anti-collision performance design. The method includes three parts of head vehicle energy absorption design, middle vehicle energy absorption design and energy absorptiondesign of each collision interface. According to the method, energy absorption elements are adopted to finish the energy dissipation process step by step in a controllable mode, the requirement of static strength of a train body, the available space of a head vehicle, the influence of the minimum compression amount of air dampers of middle vehicles on the energy absorption elements and the designed energy absorption amount of each the collision interface are fully considered, and the EN15227 standard requirement is met after one-dimensional simulated analysis validation. The energy absorptionamount distribution scheme of the method is firstly researched and developed for sixteen grouped long-numbered motor trains, the energy absorption amount of each the collision interface is distributedreasonably, and reference is provided for research and development of the anti-collision performance of train bodies of other long-numbered motor trains.

The invention falls into the reliability field of a multiple unit train system, more particularly, a multiple attributes integrated identification method for multiple unit train's key components. The method features the following steps: firstly calculating the reliability attributes (Ri) of each component in a computer system in a successive order including the fault probability [mu]i of component i, the average mileage Mi prior to a fault, the reliability ri, and the topology attribute Ti of each component and the topology attribute comprises the node degree ki, the betweeness bi, and the closeness ci; building an attribute structure model for the components in the multiple unit train wherein the first layer is for attribute decision making, Ri and Ti constitute the second layer, and ui, Mi, ri, ki, bi and ci form the third layer; calculating the weights of each component's attributes and attribute collections. integrating the attributes in the Choquet method for the importance degree ai of each component; and ranking the ais according to their number to identify key components in a multiple unit train system. According to the invention, reliability attributes and topography attributes are well combined in a multiple unit system to identify key components in the system, which overcomes the deficiency of the prior art in considering structure consequences.

A device for reducing drag between high-speed multiple unit trains belongs to the technical field of railway carriages and is used for reducing air drag. The technical scheme of the device is as follows: the device for reducing drag between high-speed multiple unit trains comprises side windshields which are arranged at sides of each train body end wall, each side windshield comprises a strip rubber bag and a rubber bag frame, the shape of the strip rubber bags is matched with arc lines of the sides of the train body end walls, and the rubber bags are connected with the train body end walls bythe rubber bag frames. The device has simple structure and convenient and rapid installation, the multiple units need not to be broken up or made up, and the device can greatly reduce the air drag which is generated as air flow impacts the train body end walls, thus increasing the running speed of trains.

The embodiment of the invention discloses a motor train unit running fault information detection method and system. The method comprises the steps of inputting a preset number of images of the same type of motor train unit trains with fault information to a deep learning framework and training the images to obtain a fault recognition model; acquiring identity information and the images of the motor train unit trains; according to the identity information and the images of the motor train unit trains and the rule that the same trains are at the same position, classifying the images; inputting the images to the fault recognition model of the same type as the images and judging whether the images contain the fault information or not. The recognizability of images of the fault information is effectively improved, the false alarm rate is lowered, the accuracy is improved, image watching operating personnel can also get rid of the fate that a lot of image data is manually detected, the working intensity is lowered, the occurrence of missing detection is avoided, and the running safety of the motor train unit trains is guaranteed.

The invention provides a water filling nozzle protection device of a motor train unit and a motor train unit train body. The water filling nozzle protection device of the motor train unit comprises a fixing board and a cover plate assembly, the top end of the fixing board is fixedly connected with a train chassis, the bottom end of the fixing board is fixedly connected with an equipment compartment bottom board, an installation through hole for fixing a water filling nozzle is opened on the fixing board, and two sides of the fixing board form sealing turned edges respectively; the cover plate assembly comprises a protection cover plate and a vertical plate, the cover plate assembly is snapped on the fixing board and jointly defines a hollow accommodating cavity with the fixing board, the hollow accommodating cavity is used for accommodating and sealing the water filling nozzle, a sealing bar is fixedly arranged at the edge of the vertical plate, and the vertical plate is propped at the sealing turned edges of the corresponding fixing board. According to the water filling nozzle protection device of the motor train unit and the motor train unit train body, by means of the arrangement of the sealing bar on the cover plate assembly and the arrangement of the cover plate which is adaptive to the arc shape of an equipment compartment apron board, convenient operation of water filling is achieved, tight locking of the cover plate is guaranteed, the maintenance is convenient, and installation space of the device is saved.

The invention relates to a cooling fan for a traction transformer system of a motor train unit train, which comprises a fan shell (1), a flow guidance fan impeller (2), a motor (3), an air inlet impeller (4) and an air outlet impeller (5), wherein the flow guidance fan impeller (2) is fixedly arranged in the fan shell (1); the motor (3) is arranged in a hub of the flow guidance fan impeller (2); a rotating output shaft (31) of the motor (3) extends out of two ends of the motor body; the air inlet impeller (4) is arranged at one end, close to an air inlet (11), of the rotating output shaft (31) of the motor (3) and is positioned in the fan shell (1); and the air outlet impeller (5) is arranged at the other end, close to an air outlet (12), of the rotating output shaft (31) of the motor (3) and is positioned in the fan shell (1). The cooling fan is characterized by enough wind power and small size, and is particularly suitable for cooling and radiating the traction transformer system of the motor train unit train with the speed of over 300 kilometers per hour.

A monitoring system for devices under a high-speed multiple-unit train belongs to the remote monitoring field of devices under rail vehicles. The system is simple in structure and high in reliability, and well adapts to special environments. A common camera and a high-speed camera with the excellent performance are hung and fixedly connected under a train through camera rotary tables equipped with shields, and keep videoing and monitoring the running environment under the train and train key parts. The system can also be connected to a ground command management scheduling center through a wireless remote communication network, and can be controlled remotely by the center. The ground command management scheduling center can remotely control shooting directions and attitudes of a monitoring subsystem under the train, and can remotely obtain, analyze or store video contents shot by the monitoring subsystem any time. Shields of the system provide auxiliary illumination, temperature control and flying chip bump protection functions for the cameras to ensure that an environment monitoring device and a wheel track high-speed monitoring device under the train keep running reliably in a severe high-speed train running environment.

The invention provides a multiple unit train communication network topology framework based on Ethernet. A multiple unit train adopts a form of 8-carriage consist, and the 8-carriage consist is divided into two traction units. The multiple unit train communication network topology framework is characterized in that train dynamic configuration between the two traction units is realized by adoptingEthernet Train Backbone (ETB), wherein the ETB is provided with four Ethernet Train Backbone nodes (ETBNs); in each of the traction units, two Ethernet repeaters (EREPs) are connected in series between the corresponding two ETBNs; Ethernet Consist Network (ECN) inside the traction units is provided with Ethernet Consist Network nodes (ECNNs); the ECNNs in each of the traction units are connected in series and then connected to the corresponding ETBNs; and in each carriage, the corresponding single ECNN is used as the center to be connected with subsystem equipment. The whole train adopts the multiple unit train communication network topology framework based on Ethernet, thereby reducing the network load rate, and simplifying the network communication design. Meanwhile, the safety and reliability of a train network are ensured through redundancy design.

The invention relates to a loading station chute for a mixed unit train and a loading method. The loading station chute comprises a fixing frame, wherein the chute fixing frame is sequentially connected with a fixed arc hanging bin and an extendable swinging material distribution pipe, a material distribution balancer is arranged in the fixed arc hanging bin, a swing angle regulator is electrically connected with an action controller of an intelligent control device, the intelligent control device is provided with a central processing unit, and the central processing unit is electrically connected with a loading database, a compartment recognizer, a speed sensor, the action controller and a loading feedback device. According to the loading station chute for the mixed unit train, the mode of monitoring the models of train compartments and constructing an ideal loading model is used for increasing the vertical displacement of the chute by the automatic extendable section of the chute tomeet the loading requirements of the compartments with different compartment lengths and heights, the loading flow is further controlled by additionally arranging the material distribution balancer inthe fixed arc hanging bin, and the loading uniformity is improved; and the chute is combined with intelligent control, so that a loading program is corrected in real time according to a loading modelto achieve the purpose of full-automatic loading.

The invention belongs to the technical field of precise installation of sliding plug door systems of passenger trains and provides an installation device of a sliding plug door system of a multiple-unit train. The installation device of the sliding plug door system of the multiple-unit train comprises a movable door frame clamping mechanism, a drive mechanism height locating mechanism, a train body internal upper locating mechanism, a train body internal lower locating mechanism and an equipment frame installing mechanism, wherein the movable door frame clamping mechanism is used for clamping and fixing a movable door frame of a sliding plug door, the drive mechanism height locating mechanism is used for conducting height locating on a drive mechanism of the sliding plug door, the train body internal upper locating mechanism is used for installing and locating the upper portion of the movable door frame clamping mechanism, the train body internal lower locating mechanism is used for installing and locating the lower portion of the movable door frame clamping mechanism, and the equipment frame installing mechanism is used for installing and locating an equipment frame of the sliding plug door. By the adoption of the installation device of the sliding plug door system of the multiple-unit train, one-time installing and locating of the sliding plug door system can be achieved, and the installation precision and the installation efficiency are both improved; the movable door frame clamping mechanism and the equipment frame installing mechanism are both of a bilateral symmetry structure, the function that the sliding plug door system on the left side and the right side are located and installed through one device can be achieved through structural matching of the equipment frame installing mechanism and the movable door frame clamping mechanism, and the practicability and the universality are improved.

The invention discloses poly putty specially used for a multiple unit train. The poly putty comprises main putty and a curing agent, wherein the main putty comprises the following components in partsby weight: 38-42 parts of unsaturated polyester resin, 0.7-0.8 part of cobalt isooctanoate with a weight fraction of 8%, 2-5 parts of styrene, 0.2-0.5 part of a composite auxiliary agent, 5-8 parts offumed silica, 5-10 parts of titanium dioxide, 25-30 parts of talcum powder with 325 meshes, and 8-15 parts of talcum powder with 600 meshes; and the composite auxiliary agent is composed of TBC, 1,4-naphthoquinone, antioxidant 264, copper naphthenate, and methyl ethyl ketoxime. The poly putty provided by the invention has the characteristics of high flexibility, high bendability, high impact resistance and very good temperature variation resistance, and the poly putty can withstand long-term high-low temperature change, is not easy to crack or fall, and fully meets the long-term operating requirements of the multiple unit train in areas with a high temperature difference.

An intelligent coupler system is an automatic train connecting device for realizing automation of multiple unit train shunting operation instead of a traditional tight-lock coupler. The invention provides a novel transporting method; and according to the novel transporting method, through soft and hard combination of a rail traffic separating and connecting combined transporting mode and the intelligent coupler system, transformation of the shunting operation from manual operation to automatic operation is realized to satisfy a demand of frequent coupling or decoupling operation in the separating and connecting combined transporting; in particular, the realization of a novel operation mode of dynamic disconnection preferably develops the advantage of large carrying capacity of railway; andtherefore, the shortcoming of poor rail traffic mobility is overcome. The novel transporting method is expected to break through mechanism restriction of railway transporting highest design capacityand generate huge capacity potential.

The railway passenger traffic volume can be increased by 3-5 times by a high-speed rail combing and separating combined transport system, energy of a train is saved by 20-40%, and the number of stops of the high-speed rail combing and separating combined transport system is larger than that of a slow train, while journey time is shorter than that of the fastest high speed train. Huge comprehensive benefits of economy, sociality and energy conservation and environmental protection are manifested. Combing and separating combined transport is also known as static combined starting/dynamic train separating, the system operates according to the principle that two trains are combined if routes of the two trains are the same and are separated if the routes are different, the combining and separating combined operation mode that the two trains are combined if combination is beneficial for the two trains and are separated if separation is suitable for the two trains, the train which should stop does not move, and the trail which should move does not stop is achieved. Existing motor train unit trains can be adopted in the system to operate on a high-speed rail, an interurban railway, a rail, a metro and a light rail, investment is saved, the system is brought into effect fast, and economic aggregate is huge. The connecting device is designed for implementing combing and separating combined transport, is an important guarantee condition for safe operation of the system and lays a solid foundation for implementing combing and separating combined transport as early as possible.

The invention discloses a simulation testboard for a network control system of a multiple unit train. The simulation testboard includes a KVM switching device, an Ethernet switch and multiple industrial control computers. The industrial control computers correspond to control units of a network control system of a multiple unit train one by one. Each industrial control computer is in communication connection with one corresponding control unit through a conversing device. The industrial control computers are all connected to the Ethernet switch so as to communicate with each other. The industrial control computers are all connected to the KVM switching device so as to achieve a monitoring function. The simulation testboard has the advantages of simple structure, comprehensive test, high automation, high integration, etc.