134 results about "Passenger train" patented technology

The invention relates to the technical field of railways, and discloses a railway passenger train operation state monitoring system based on artificial intelligence, which comprises a multi-modal sensor array, an edge AI judgment platform and a cloud intelligent decision center. According to the railway passenger train operation state monitoring method and system based on artificial intelligence, 28 parameters of a contact network, a running gear and the like are collected in real time through a multi-modal sensor array, an edge AI judgment platform utilizes a cross-modal fusion algorithm to deeply mine multi-source data potential association, the fault diagnosis accuracy is improved, and the fault diagnosis efficiency is improved. The cloud intelligent decision center dynamically aggregates gradient parameters of the edge end model based on federated learning, filters abnormal nodes and updates the abnormal nodes in an hour-level period, and constructs a digital twinborn model in combination with a Spark framework to realize dynamic parameter optimization; the fire-fighting early warning fusion model is linked with the air conditioner pressure and the compartment sealing state correction threshold value through a three-stage mechanism of parameter initial judgment, visual verification and environment verification, it is ensured that the early warning response time is shorter than 200 ms, and cooperation with the overall state of the train is achieved.

The viewing window for the roof of the passenger train comprises an outer frame, the outer frame is of a hollow frame structure, the outer frame is of an arc-shaped structure with the middle protruding, a display assembly is installed in the outer frame, the display assembly is matched with the bent shape of the outer frame, the display assembly comprises a first transparent plate and a second transparent plate, and the first transparent plate is connected with the second transparent plate. The first transparent plate and the second transparent plate are glued and fixed, the first transparent plate is arranged on the outer side of the second transparent plate, the second transparent plate is close to the inner side of a carriage, a liquid crystal dimming film is arranged between the first transparent plate and the second transparent plate, and the liquid crystal dimming film is connected with a voltage or current control circuit in a vehicle body to change the light transmittance of the liquid crystal dimming film. According to the viewing window for the roof of the passenger train, in the display assembly, the laminated glass and single-layer glass structure is adopted to be bonded with the liquid crystal dimming film, the intensity of light in the train can be manually adjusted according to different time periods and illumination conditions, and more comfortable, safer and more environment-friendly travel experience is provided for passengers.

The present invention belongs to the field of train control. Provided are an automatic speed-limited operation method, system and device. The method comprises: a ground device respectively determining detection areas for an electric multiple unit and a freight train which are about to meet; and on the basis of an overlapping range between the detection area for the electric multiple unit and the detection area for the freight train, the ground device controlling the electric multiple unit to perform temporary speed limiting / normal driving / revocation of speed limiting. In the automatic speed-limited operation method, system and device of the present invention, the system can automatically identify the position where a passenger train and a freight train are about to meet and the related trains, and automatically trigger, in a timely manner, speed-reduced operation of the high-speed passenger train, thereby effectively guaranteeing safe operation of the high-speed passenger train; a safety control technical method is used for implementation, and the existing manual management method is replaced, thus achieving the characteristics of being safer, more reliable and more automatic; and the implementation method in the present invention is realized on the basis of the existing train-ground wireless communication system architecture and is realized only by means of software optimization and adaptation instead of hardware modification, thereby having broad implementability.

The invention provides a railway carriage elastic bearing body detection tool, and belongs to the technical field of bearing body detection tools. Comprising a clamping mechanism, a supporting frame body is installed on the top of the clamping mechanism, a first frame body is arranged on one side of the clamping mechanism, a second frame body is arranged at the bottom of the clamping mechanism, side bearing boxes are installed on the two sides of the top of the first frame body, and side bearing bodies are installed on the tops of the side bearing boxes; and the first outer contour measuring mechanism is used for measuring the length and the width of the side bearing box. Through the arrangement of the first outer contour measuring mechanism and the second outer contour measuring mechanism, the length and width of the outer contour of the side bearing box and the arc length and curvature of the corners of the outer contour can be rapidly measured by using the first outer contour measuring mechanism; and the length and the width of the outer contour of the side bearing body and the arc length and the curvature at the corners of the side bearing body are rapidly measured by using the second outer contour measuring mechanism.

The invention discloses a railway passenger train brake head bush dismounting device which comprises a bolt, a brake head anti-deformation mechanism and a locking matching mechanism, the brake head anti-deformation mechanism and the locking matching mechanism are assembled on the bolt, and the brake head anti-deformation mechanism is used for being installed between two bush assembling plates of a brake head. The two lining assembling plates are respectively provided with lining assembling holes which are coaxially distributed with the bolts; the bolt comprises a screw portion and a driving portion which are integrally connected, the locking matching mechanism is in threaded connection with the screw portion, a sleeve is arranged between the driving portion and the brake head anti-deformation mechanism, a sleeve is arranged between the locking matching mechanism and the brake head anti-deformation mechanism, and the sleeves are bushings matched with the bushing assembly holes or sleeve withdrawing sleeves higher than the bushings. According to the invention, the bush assembly plate of the brake head can be effectively prevented from being extruded and deformed, so that the maintenance cost is reduced, the two bushings can be inlaid or withdrawn at the same time, and the maintenance efficiency of the brake head is improved; in addition, use and operation are easy, and the requirement for maintainers is low.

The invention relates to the technical field of railway passenger cars, in particular to a railway passenger car high-speed motor train unit beam manipulator welding device which comprises a welding table body, a positioning assembly is arranged in the middle of the top of the welding table body, and a fixing frame is fixedly connected to the periphery of the top of the welding table body. Smoke suction assemblies are arranged on the two sides of the top of the fixing frame correspondingly, the two smoke suction assemblies are connected through the processing assembly, the two ends of the fixing frame are slidably connected with limiting plates correspondingly, and the positioning assembly is used for positioning a cross beam. By means of hydraulic drive automatic positioning, positioning time can be shortened, manual repeated calibration is not needed, the welding assembly efficiency is greatly improved, meanwhile, high-temperature smoke in the smoke suction pipe is rapidly cooled, the smoke collection rate of a welding area can be improved through negative pressure adsorption, the smoke is prevented from being diffused to a workshop, and harm to the respiratory system of an operator is reduced.

To smoothly transport packages using passenger trains.SOLUTION: A physical distribution system 1 (train assignment system) is configured to assign a train to transport a desired package from among a group of passenger trains capable of transporting packages. A server 10 receives transportation request conditions related to the desired package. The server 10 assigns (retrieves), from the passenger train group, a train that satisfies the received transportation request conditions under constraint conditions related to package transportation of the passenger train group.SELECTED DRAWING: Figure 8

The invention relates to a city fast rail and urban rail joint travel demand identification method based on simulation deduction, which comprises the following steps of: based on historical passenger travel data, screening an effective path set by combining a density peak clustering algorithm and a depth-first algorithm, and calculating time distribution of each stage of passenger travel; a travel path and time distribution of each stage are fitted into a passenger travel chain, a travel demand identification method with travel simulation deduction of urban fast rail and urban rail connection passengers as a core is established, simulation units including passengers, trains, stations, a line network and the like are designed, travel tracks of the passengers in historical AFC data are deduced through simulation, and travel demands of the urban fast rail and urban rail connection passengers are identified. And obtaining refined passenger flow distribution and linked travel demand data in the line or the station under any time granularity. According to the method, a linked travel demand index system is established, refined passenger flow data recording in a passenger simulation process is realized, an actual passenger travel scheme is obtained, and detailed urban fast rail and urban rail linked travel demand passenger flow index output in a rail transit network is further realized.

The application provides a control method and device for an air outlet opening degree of an air conditioner and an air-conditioned passenger train. The method comprises the following steps: in the case that the difference between the current ambient temperature and the target temperature is within a predetermined interval, the change rate of the ambient temperature of a target area is greater than a predetermined change rate, and the target area is any one area, entering an automatic control mode; an automatic adjustment step, in the case that there is no manual adjustment operation in the current automatic control period, adjusting the opening degree of the air outlet of the target area according to the ambient temperature change amount, so as to reduce the change of the ambient temperature; repeating the automatic adjustment step until there is a manual adjustment operation in the current automatic control period, and exiting the automatic control mode, thereby solving the problem that the comfort experience is poor due to the unreasonable distribution of cold or heat in the prior art.

The utility model discloses a folding storage and transportation tool for a compartment sliding door of a passenger train in the technical field of mechanical manufacturing, which comprises a chassis bracket, side baffles are arranged at the front end and the rear end of the top of the chassis bracket, a plurality of hinges are arranged at the joints of the chassis bracket and the side baffles, and a block is arranged at the right end of the top of the chassis bracket. The block is located between the two sets of side blocks, a plurality of rotating shafts are arranged at the joint of the block and the chassis bracket, and locking assemblies are arranged between the block and the side blocks. According to the folding tool, the chassis bracket, the side baffles, the hinges, the block baffles and the rotating shafts are arranged in a matched mode, when the folding tool is folded, the block baffles are flatly placed on the chassis bracket through the rotating shafts, and then the side baffles are flatly placed on the chassis bracket through the hinges, so that the folding tool is convenient to fold when being transferred and idle, the occupied space is reduced, and the folding tool is convenient to store.

The utility model relates to the technical field of locks, in particular to a door lock for an inner end door of a high-speed passenger train. Comprising a lock body, a lock cylinder is arranged on the lock body, and a pin shaft is arranged on the lock cylinder; a through groove for containing the lock column is formed in the lock body, a pin groove matched with the pin shaft is formed in one end of the lock column, and the other end of the lock column extends out of the lock body. Two positioning grooves perpendicular to the lock column are further formed in the lock body, ball screws facing the lock column are arranged in the two positioning grooves, two limiting concave rings matched with the ball screws are arranged on the lock column, and the two limiting concave rings are located at the positions where the lock column is matched with the ball screws when the door lock is in the opened state and the closed state respectively and used for fixing the lock column. According to the door lock for the inner end door of the high-speed passenger train, matching of materials is achieved, and the movement direction of the lock column is adjusted by limiting the degree of freedom; the surface contact between the lock column and the lock body is changed into point contact, the fit clearance between the lock column and the lock body is as small as possible, the extension and retraction of the spring bolt are flexible and free, and the phenomena of clamping stagnation and shaking are avoided.

A method for detecting the movement of a rail vehicle, in particular a freight or passenger train, in a warning zone (120) of a level crossing (100), characterized in that the method comprises: - Determining (10) a first temperature (210) in the warning zone (120) of the level crossing (100) or in a sub-area of ​​the warning zone (120) at a first time, - Determining (20) a second temperature (220) in the warning zone (120) of the level crossing (100) or in a sub-area of ​​the warning zone (120) at a second time, wherein the first time is prior to the second time, - Comparing (30) the first temperature (210) with the second temperature (220), and - if the comparison shows that the second temperature (220) is higher than the first temperature (210), the method further comprises: - Issuing (35) a warning signal (160), and - Initiating (37) a closure of the Level crossing (100) .

The invention discloses a passenger train side wall structure and a passenger train, the passenger train side wall structure comprises a side wall plate, a cross beam and a vertical beam side wall plate, the side wall plate is provided with a plurality of window body assemblies at intervals, and each window body assembly comprises at least two windows arranged up and down; the cross beams are horizontally arranged on the side, deviating from the interior of the vehicle body, of the side wall plate in the length direction of the side wall plate and arranged on at least one of the upper side and the lower side of each window; the vertical beams are vertically arranged on the sides, away from the interior of the vehicle body, of the side wallboards in the height direction of the side wallboards. The vertical beams are arranged on at least one of the left side and the right side of each window. Wherein one of the cross beam and the vertical beam is provided with a receding opening, and the other one of the cross beam and the vertical beam penetrates through the receding opening; the cross beams and the vertical beams are at least arranged on the peripheral side of the window so as to guarantee the structural strength of the window position, the avoiding openings in the cross beams or the longitudinal beams can enable the connecting positions of the cross beams and the longitudinal beams to form a #-shaped structure, and the connecting positions of the longitudinal beams and the cross beams form good fatigue resistance and safety performance.

The invention discloses an automatic meal distribution robot system suitable for a train carriage and a distribution method, and relates to the technical field of intelligent distribution. The system comprises an order management module (supporting various ordering forms such as instant ordering and reservation), an autonomous navigation module (realizing path planning and obstacle avoidance from a train kitchen to a target seat), a meal bearing module (adapting to safe storage of different types of meals) and an interactive confirmation module (user signing and information feedback after the meals are delivered). The system is designed for the dynamic environment of the train carriage, the meal is accurately delivered to the user seat from the kitchen through the automatic delivery process, the problems of low manual delivery efficiency and limited coverage in the traditional train meal service are solved, the dining convenience and riding experience of passengers are improved, and the system is suitable for meal delivery scenes of various passenger trains.

The utility model discloses a passenger car seat based on EPP environment-friendly materials, the passenger car seat based on the EPP environment-friendly materials comprises a base and a backrest fixedly arranged on one side of the top of the base, a plurality of first air holes used for back ventilation are evenly formed in the side wall, close to the base, of the backrest, and a plurality of second air holes used for back ventilation are evenly formed in the side wall, close to the base, of the backrest. A plurality of second ventilation holes for hip ventilation are evenly formed in the top of the base, by arranging the first ventilation assembly and the second ventilation assembly, the magnitude of gravity applied to the surface of the base by a passenger can be changed through the bumping acting force in the vehicle body running process, and therefore a piston plate can move up and down in a cylinder in a reciprocating mode; according to the technical scheme, outside air is sucked into the cylinder body, the part of air is extruded out when the piston plate moves downwards so as to be output to the first hollow plate and the second hollow plate, the purpose of providing flowing air for the first air holes and the second air holes is achieved, the flowing speed of air around the base and the backrest is increased, and the riding comfort is improved.

The invention discloses a large-torque dismounting and mounting device for dismounting and mounting a passenger train end connector in the field of railway vehicles, which comprises a dismounting and mounting component, a connecting component and a connecting component, each sleeve in the sleeve group realizes independent rotation driving through an internal power module, and the sleeves in the sleeve group and fixing bolts on a passenger train end connector are arranged in the same water drop-shaped array; the bottom end of the assisting assembly is rotationally connected to the top of the dismounting assembly; the sliding component is connected to the top end of the boosting arm component; the device has the beneficial effects that by arranging the disassembling and assembling assembly with the same array as the fixing bolts on the passenger train end connector, the fixing bolts on the passenger train end connector can be disassembled and assembled at the same time without being disassembled and assembled one by one, manpower is saved, the disassembling and assembling efficiency is improved, and the labor intensity of workers is reduced. And in addition, the dismounting assembly can be moved in a labor-saving mode through the power assisting assembly and the sliding assembly, and the use convenience is further improved.

The utility model provides a translation type passenger car luggage compartment door, and relates to the technical field of passenger car luggage compartment doors, the translation type passenger car luggage compartment door comprises a door plate, a frame used for installing the door plate is arranged on one side of the door plate, two luggage compartment grooves are formed in one side of the frame, and an auxiliary device comprises a guide rod and a three-level guide rail. Compared with a traditional flip type design, the horizontal moving type door plate is arranged, the occupied space on the outer side of the frame is remarkably reduced, actions of passengers cannot be blocked, the passengers do not need to squat and bend down greatly when using the luggage compartment groove, and therefore the passengers can use the luggage compartment groove conveniently. Luggage can be easily placed only by slightly bending down in a standing state, information of allowance in a luggage compartment groove can be clearly displayed to passengers in advance through the signal lamp arranged on the outer surface of the door plate and color change, and the passengers are helped to pre-judge conditions and select a luggage placing mode before the vehicle arrives at the station. And the invalid operation of repeatedly trying to open the luggage compartment when the luggage compartment is full is effectively avoided.

The application relates to a station yard signal state inspection method, which comprises the following steps: S1, initializing a route set for storing shunting routes and train routes; S2, receiving state representation information of station yard equipment; S3, updating the establishment and cancellation states of the passenger train routes and the shunting routes responsible for receiving and sending trains in the route set; and according to the regulation of the 301st article of the railway technical management regulation, the conflict inspection of the shunting routes and the passenger train routes is completed. The application improves the work efficiency of the route conflict inspection.

This utility model belongs to the field of toilet facilities for passenger vehicles, and specifically relates to a passenger vehicle toilet and a passenger vehicle. To improve the passenger's toilet experience, this utility model proposes a passenger vehicle toilet, including a main toilet, a sink, a urinal, and a toilet door. The passenger vehicle toilet also includes a wall that cooperates with the vehicle's frame to form an enclosed space. The toilet door is located on the wall, the urinal and main toilet are fixedly located at two opposite corners of the wall, and the sink is fixedly located at one corner of the wall. The toilet door, urinal, sink, and main toilet are arranged sequentially in a clockwise direction. A walkway connecting the urinal, sink, and main toilet, which is connected to the toilet door, is formed between them for passenger movement. This utility model also proposes a passenger vehicle incorporating the above-mentioned toilet. By carefully designing the positional relationship between the walkway and the main toilet, sink, urinal, and toilet door, the passenger's movement path when using the toilet is optimized, improving the passenger's toilet experience.

The present invention discloses a method for calculating the rapid distribution of traffic in the throat area of ​​railways, and belongs to the field of railway transportation technology. A solution is provided for the problem that traditional methods rely on manual experience and the existing model calculation is complex. The steps are as follows: input relevant data; construct a traffic distribution optimization model, balance the goals such as the difference between the plan and the actual train, and set constraints; discretize and segment the passenger train ratio parameters, and use the "big M method" to convert the nonlinear equation into a linear constraint; construct a capacity simulation model based on queuing theory, pre-calculate the capacity value to generate a capacity table; combine the linearized model and the capacity table, solve with the CPLEX solver, and obtain the optimized distribution result. The method provided by the present invention realizes rapid and accurate distribution of traffic, balances the difference between the plan and the actual, can quickly respond to dynamic demands, and provides a scientific basis for the management of traffic in the throat area.

The passenger car rearview mirror comprises a support and a rearview mirror body, the rearview mirror body comprises a rearview mirror shell and a lens fixed in the rearview mirror shell, the lens comprises a plane part located on the upper portion and a curved surface part located on the lower portion, and the curved surface part is provided with a notch. The rearview mirror comprises a rearview mirror shell, a notch is formed in the rearview mirror shell, a lane changing camera used for shooting road conditions behind an automobile is arranged at the notch, the lane changing camera is provided with a lens, the lane changing camera is fixedly connected with the rearview mirror shell, a stepping motor is fixedly arranged in the rearview mirror shell and provided with a rotating shaft, a rotating plate is fixed to the rotating shaft, the rotating plate is in a three-quarter circle shape, and the rearview mirror shell is fixedly connected with the rearview mirror shell. In the direction from the rearview mirror shell to the lens, the rotating plate is located between the lane changing camera and the lens, cleaning cloth is arranged on the face, away from the lens, of the rotating plate, and when the rotating plate rotates, the cleaning cloth makes contact with a lens of the lane changing camera. And the driving safety of the passenger car is improved.

The utility model provides a passenger car air conditioner internal protection fault diagnosis device, which relates to the technical field of railway passenger train air conditioner maintenance and comprises a detection module, a data processing module and a display module. The detection module and the display module are respectively connected with the data processing module; the data processing module comprises a signal conversion unit and a fault diagnosis unit, the signal conversion unit is respectively connected with the detection module and the fault diagnosis unit, and the fault diagnosis unit is connected with the display module; the signal conversion unit is used for receiving the analog signal and performing signal conversion to obtain a pressure value; and the fault diagnosis unit is used for receiving the pressure value for fault diagnosis and sending a fault diagnosis result and the pressure value to the display module so as to realize corresponding display of the fault diagnosis result and the pressure value. The converted pressure value can serve as an important judgment basis for air conditioner refrigeration pressure change type faults, and the accuracy and efficiency are remarkably improved.

The utility model discloses a passenger car air duct structure which comprises an air duct upper section bar, an air duct hanging plate and an air duct lower section bar, one end of the air duct upper section bar is fixed on a passenger car top cover, the other end of the air duct upper section bar is connected to the air duct hanging plate, and the air duct hanging plate is connected with one end of the air duct lower section bar. The other end of the air duct lower profile is riveted to a passenger car body to form the air duct structure; the middle of the air duct lower profile is connected with one end of a hanging bracket component, and the other end of the hanging bracket component is connected to a passenger car body so that the air duct structure can be fixed and adjusted through the hanging bracket component. The other end of the hanging bracket component is fixed in the mode that a hanging bracket base is welded to the hanging bracket component, and meanwhile the hanging bracket base is riveted to a passenger car body. The air duct hanging bracket is welded to the base, the base is riveted to a vehicle body, and the risk that riveting points are loosened and strength is reduced due to the fact that the air duct hanging bracket is directly welded to air duct angle iron is avoided through the installation and fixing mode of combining welding and riveting.

The invention relates to the technical field of passenger train water feeding, in particular to a passenger train water feeding connector with a water feeding switch function, which comprises a connector pipe body, the interior of the connector pipe body is divided into two independent cavities along the long axis direction of the connector pipe body, a water pipe connector assembly is arranged at one end of the connector pipe body, and a train water filling nozzle holding assembly is arranged at the other end of the connector pipe body. A medium outlet and a medium inlet are formed in the side walls, close to each other, of the two cavities respectively, the medium outlet is communicated with a flow channel of the water pipe connector assembly, the medium inlet is communicated with a flow channel of the train water filling nozzle enclasping assembly, and a movable operating valve wrapping the medium outlet and the medium inlet is installed on the connector pipe body in a sealed mode. The movable operating valve is used for moving along the connector pipe body and enabling the medium outlet and the medium inlet to be communicated or disconnected. The device has the advantages that the device can be conveniently and quickly butted with a water pipe and a train water filling nozzle, and meanwhile, flexible switching between a water feeding state and a pause state can be realized through operation of the movable operating valve.

The invention relates to the technical field of passenger train maintenance, in particular to a passenger train configuration building method based on maintenance business and related products, and the method comprises the following steps: dividing a product structure of a passenger train into hierarchical structures which are sequentially associated according to a preset rule; creating configuration data of the passenger train based on the hierarchical structure, wherein the configuration data comprises material information of each hierarchical node and a hierarchical relationship between the nodes; the created configuration data are verified, it is ensured that the configuration data conform to a preset verification rule, and the verification rule is used for ensuring the consistency of the configuration data and the integrity of the hierarchical structure; according to the method, the product hierarchical structure is established, so that the configuration data model is close to the working habits of maintainers, and the efficiency and accuracy of positioning specific parts, managing spare parts and formulating a maintenance scheme in the maintenance process are improved.

The utility model discloses an air duct and luggage rack combined structure of a railway passenger car, which comprises an air duct mechanism, a luggage rack and a luggage rack, the buckle mechanism comprises a baffle movably connected to the outer wall of the supporting plate, a mounting plate is welded to the outer wall of the baffle, a first sliding groove is formed in the end, close to the baffle, of the mounting plate, a spring is movably connected to the bottom of an inner cavity of the mounting plate, and an extrusion plate is movably connected to the upper end of the spring; a limiting groove is formed in the extrusion plate, a movable plate is movably connected to the outer wall, away from the baffle, of the mounting plate, the movable plate is slidably connected into the limiting groove, a clamping opening is formed in the bottom of the limiting groove, and the extrusion plate penetrates through the first sliding groove to be movably connected with the baffle. The problems that when luggage of a passenger needs to be moved upwards to an air duct, the luggage is not prone to being moved to the air duct due to a baffle, the luggage falls off easily after air force is lost rapidly, and the serious collision consequence is caused are solved.

The utility model discloses a railway passenger train brake head bush dismounting device which comprises a bolt, a brake head anti-deformation mechanism and a locking matching mechanism, the brake head anti-deformation mechanism and the locking matching mechanism are assembled on the bolt, and the brake head anti-deformation mechanism is used for being installed between two bush assembling plates of a brake head. The two lining assembling plates are respectively provided with lining assembling holes which are coaxially distributed with the bolts; the bolt comprises a screw portion and a driving portion which are integrally connected, the locking matching mechanism is in threaded connection with the screw portion, a sleeve is arranged between the driving portion and the brake head anti-deformation mechanism, a sleeve is arranged between the locking matching mechanism and the brake head anti-deformation mechanism, and the sleeves are bushings matched with the bushing assembly holes or sleeve withdrawing sleeves higher than the bushings. According to the utility model, the bush assembly plate of the brake head can be effectively prevented from being extruded and deformed, so that the maintenance cost is reduced, the two bushings can be inlaid or withdrawn at the same time, and the maintenance efficiency of the brake head is improved; in addition, use and operation are easy, and the requirement for maintainers is low.

The utility model discloses a plasma cutting auxiliary device for a passenger train body. The plasma cutting auxiliary device comprises a clamping part and a limiting part, the clamping part is used for holding and fixing plasma cutting equipment; the limiting part is used for limiting the motion trail of the plasma cutting equipment; the limiting part comprises a sliding rail movably connected with the auxiliary device, the limiting part can slide in the extending direction of the sliding rail, and a plurality of fixing devices are arranged on the sliding rail. The auxiliary device is used for clamping the plasma cutting device to be matched with a track formed by the sliding rail, so that a traditional handheld cutting mode during side wall cutting is changed, the flatness of a notch during side wall cutting is improved, polishing after pre-cutting and secondary cutting before welding are omitted, manpower, time and cost can be greatly saved, and the production efficiency is improved. And meanwhile, standardized discharging of the side wall plates can be achieved.

The utility model discloses a railway passenger train plug door controller testing device belongs to plug door controller technical field. Solve the portable problem that traditional plug door controller testing device in railway passenger train overhauling production operation is difficult to realize in prior art, the PLC device of the utility model is connected with other components through PLC control circuit diagram and door switch pilot lamp, right door state pilot lamp, right door position switch, right door operation switch, car door and control speed switch, left door operation switch, left door position switch, left door state pilot lamp, right door buzzer, left door buzzer, power switch are connected respectively, the industrial grade man -machine interaction touch -screen is connected with PLC device, the device has not closed to place, not locking, open door failure, anti -extrusion failure, outer operation switch failure, inner operation switch non -reset function, the utility model can be applied to the reliable plug door test in railway passenger train overhauling production operation, satisfies the demand of portable.

The invention discloses an on-vehicle sewage collection system suitable for a passenger train and a control method of the on-vehicle sewage collection system, and relates to the technical field of train sewage treatment.The on-vehicle sewage collection system comprises an off-vehicle sewage tank used for collecting, transferring, storing and discharging on-vehicle sewage; the on-vehicle sewage tank module comprises a first on-vehicle sewage tank and a second on-vehicle sewage tank and is used for realizing distributed sewage storage; the liquid level detection module is used for detecting the liquid level state of each sewage tank; the sewage transfer module is used for realizing sewage transfer between the under-vehicle sewage tank and the on-vehicle sewage tank module; the control valve module is used for controlling the flow direction of sewage and on-off of a gas path; the pipeline module is used for collecting and transferring sewage; and the system control unit is used for receiving the liquid level signal and controlling the sewage transfer process. According to the invention, the requirement of the passenger train on sewage collection can be met, and the problem that the sewage amount is large but the space of the sewage tank under the train is not enough can be solved.