174results about How to "Improve maintenance speed" patented technology

The invention provides a train maintenance method and system. The train maintenance method comprises the steps of acquiring first feature information of a train; extracting standard feature information in a train data storage device according to the first feature information; determining the maintenance initial position of a maintenance robot relative to the train, wherein the maintenance robot steps by taking the maintenance initial position as an initial point and performs maintenance information collection on the train; and recognizing the maintenance information and performing fault early-warning. The step of determining the maintenance initial position of the maintenance robot comprises that the maintenance robot steps towards the train, scans detection information, matches the detection information with positioning information and determines the maintenance initial position according to a matching result. The step of maintenance information collection comprises that a maintenance path and stepping information are determined according to location information in the maintenance initial position information and the standard feature information, and the maintenance robot is controlled to search maintenance parts according to the maintenance initial position and the stepping information and collect maintenance information of the parts to be maintained. The technical scheme provided by the invention can improve the maintenance efficiency and the maintenance precision of the parts to be maintained.

The invention relates to a fault detection system and method for a power transmission line. The fault detection system comprises a main control circuit, a conductor vibration monitor, meteorological environment observation equipment, line monitoring equipment, a power failure detection module, a fault display module, a power supply module, a radio-frequency module, a fault detection module and a monitoring computer, wherein the fault detection module comprises a current sensor, a voltage sensor, an overcurrent protection module, an overvoltage protection module, a short-circuit fault judgment module and a grounding fault judgment module. In the fault detection device adopted by the invention, when a short-circuit fault occurs, an electronic switch can be automatically turned off within short time after being turned on; if the short-circuit fault is a transient fault, a current detection device detects no pulse current; if the fault is a permanent fault, the current detection device detects the pulse current, thereby whether the fault is the transient fault or the permanent fault can be judged, a reliable basis is provided for the subsequent fault handling and thus the inspection and maintenance speed of the line can be improved.

The invention discloses a small-size road repairing construction device. The small-size road repairing construction device comprises a loading vehicle body, a mounting frame body which is fixedly mounted at the tail end of the left side of the loading vehicle body and a construction machine body which is used for locking and matching the mounting frame body, wherein a sinking sliding groove, whichextends upward, is formed in the end face at the bottom of the left side of the construction machine body; the sinking sliding groove is internally matched and connected with a crushing machine bodyin a sliding manner; a groove is formed in the edge of the end face at the bottom of the right side of the construction machine body; a locking groove is formed in the top wall in the groove; the topwall in the sinking sliding groove is internally fixedly provided with a hoisting driving mechanism which is matched and connected with the crushing machine body; a first empty groove is formed in theinner wall of the right side of the sinking sliding groove; the bottom in the first empty groove is connected with a first gear in a transitional fit manner; the tail end of the right side of the first gear is in power matching connection with a first motor; and the outer surface of the first motor is embedded and fixedly connected into the inner wall at the right side of the first empty groove.The small-size road repairing construction device has the advantages of simple structure and convenience for operation, is capable of realizing automatic control locking and matching connection and thus is convenient for detachment and installation; and meanwhile, the safety of crushing work is improved.

The invention discloses a safe electric power distribution cabinet. The safe electric power distribution cabinet comprises a cabinet body (1), wherein a drawer placement cavity (6) is formed in the right side of the interior of the cabinet body (1); a drawer assembly (2) is arranged in the drawer placement cavity (6); the drawer assembly (2) is provided with a connecting part (21) with a locking groove (22); a transmission cavity (3) is formed in the upward side of the left side wall in the cabinet body (1); a locking piece groove (4) is formed in the downward side of the left side wall in the cabinet body (1); a transmission gear (51) and a movable engaging gear (92) are arranged in the transmission cavity (3); a transmission rod (5) is fixedly arranged on the transmission gear (51); the top of the transmission rod (5) is rotationally connected with the inner wall of the cabinet body (1); the bottom of the transmission rod (5) extends downwardly along the inner wall on the left side of the cabinet body (1); and a driven conical gear (91) is fixedly arranged on the top of the movable engaging gear (92). The safe electric power distribution cabinet is simple in structure, convenient and rapid to operate, capable of improving the overhaul speed, and high in practicability and safety.

The invention belongs to the technical field of intelligent home access equipment, and particularly relates to an intelligent home wireless access device, system and method. The intelligent home wireless access device comprises a microprocessor module, a sensor module, a sensor access module, a wireless transmitting-receiving module, a power module, an alarming module and a display module. The sensor access module, the wireless transmitting-receiving module, the power module, the alarming module and the display module are all electrically connected with the microprocessor module, the power module is further electrically connected with the wireless transmitting-receiving module, the sensor module is electrically connected with the sensor access module, the sensor module collects work state information of household appliances and transmits the work state information of the household appliances to the microprocessor module in real time through the sensor access module, and the microprocessor module sends the collected information to a control host in an intelligent network through the wireless transmitting-receiving module. The intelligent home wireless access device, system and method are good in compatibility and high in reliability.

The invention relates to the field of an electric power system and discloses a fault overhauling method and system for secondary equipment of the electric power system. The method comprises steps as follows: topology monitoring information, operation monitoring information and network communication information of the secondary equipment are acquired; the topology monitoring information, the operation monitoring information and the network communication information are subjected to state monitoring according to a health evaluation model of automation equipment; a state monitoring result is analyzed according to an artificial neural network, and operating states of the automation equipment, a relation between the operating states and a relation between the operating time and the unavailability of the equipment are analyzed; the optimal overhauling time is calculated according to the relation between the operating time and the unavailability of the equipment; a conventional overhauling schedule is optimized and a fault is rapidly positioned according to the relation between the operating states of the automation equipment and the optimal overhauling time. On the basis of the health evaluation model and the state overhauling strategy of the automation equipment, more accurate judgment can be performed, so that the overhauling efficiency is improved, and the fault positioning speed is increased.

The invention discloses a handheld positioning and polling machine for a power grid machine room based on an RFID (radio-frequency identification device) technology. The handheld positioning and polling machine comprises an anti-drop housing, wherein a central processor, a memory, a data communication interface, a display screen used for scanned information displaying machine room equipment, an input unit used for inputting instructions and data, a power module used for providing a power supply for the polling machine, and a radio frequency label scanner used for reading RFID labels arranged on the machine room equipment, wherein the memory, the data communication interface, the display screen, the power module and the input unit are all connected with the central processor; the radio frequency label scanner is used for scanning equipment information in UHF (ultra high frequency) labels on the machine room equipment and transmitting the equipment information to the central processor; the central processor is used for processing the obtained equipment information. The handheld positioning and polling machine has the advantages of conveniently polling and positioning the power grid machine room equipment, reducing the running and management costs of the machine room and the like.

The invention discloses a combined type transformer for photovoltaic power generation. The combined type transformer comprises a transformer oil tank, a high-voltage cable chamber, a high-voltage operation chamber and a low-voltage operation chamber; the transformer oil tank is internally provided with an axial double split type three-phase transformer, a high-voltage load switch and a tapping switch; the low-voltage operation chamber is internally provided with a low-voltage switch cabinet; and the high-voltage cable chamber is provided with a high-voltage fuse. According to the invention, an oil immersion insertion type high-voltage fuse which has large volume of outline and is convenient to maintain in an original transformer oil tank is omitted, and the external high-voltage fuse is adopted to effectively reduce inner space of the oil tank and reduce inner oil consumption and corresponding high-voltage connecting wires; and meanwhile, the axial double split type three-phase transformer is adopted to realize that one combined type transformer can perform voltage class transformation on two photovoltaic power generators at the same time, thus, the installation space is saved, the cost is reduced, and the safety normal operation of a power grid and equipment is guaranteed.

The invention discloses a stamping outer ring bearing detector. The stamping outer ring bearing detector comprises a frame, wherein a feed conveying belt for conveying a bearing, a height detecting station for detecting the height of the bearing, an eddy current inspection station for detecting the end surface of the bearing and an R angle crack, a turning station for turning the bearing, a flexibility detecting station for detecting the flexibility of the bearing, a pull core detecting station for detecting an inner return circle of the bearing, an image detecting station for detecting a typing surface defect of the bearing, an unqualified product removing station for pushing the unqualified bearing into an unqualified product storage box and a discharge conveying belt for conveying the qualified bearing outside are arranged on the frame in sequence from left to right; the frame is provided with a feeding mechanism for transferring the bearing among all the stations; and all the stations are electrically connected with a PLC program controller. The stamping outer ring bearing detector, provided by the invention, is high in detecting efficiency.

The invention discloses an RDF (refuse derived fuel) pyrolysis and gasification system and belongs to the field of urban domestic refuse treatment. The RDF pyrolysis and gasification system mainly comprises a feeding device, a waste heat boiler and a cold slag system, and is characterized by further comprising a pyrolysis and gasification furnace and a high-temperature separator. A boiling fluidized bed is arranged at the bottom of the pyrolysis and gasification furnace, the feeding device is connected with the pyrolysis and gasification furnace, the pyrolysis and gasification furnace is connected with the waste heat boiler through the high-temperature separator, and the cold slag system is connected with the pyrolysis and gasification furnace and a slagging device of the waste heat boiler. The RDF pyrolysis and gasification system has the advantages that the RDF pyrolysis and gasification system is simple in structure, reliable to operate and capable of achieving recycling, reduced and harmless treatment of urban domestic refuse and is mainly used for urban domestic refuse treatment.

The invention discloses a concrete curing device and method in the technical field of concrete curing. The concrete curing device comprises a microwave oven body, wherein a control box is arranged at the right side of the microwave oven body; an inner furnace is arranged at the left side of the inner cavity of the microwave oven body; a cover door is hinged to the left side of the front surface of the microwave oven body; the cover door is lapped with the outer edge of the inner furnace; an observation window is embedded in the center of the surface of the cover door; and a power supply, a switch, a controller, a resistor element, a microwave generator, a temperature control switch and a heat dissipator are arranged in the control box separately. According to the concrete curing device and method, through a microwave curing test method, the curing speed is effectively increased; and moreover, the novel test method capable of achieving the design requirements of GB / T50080, GB / T14902 and GB / T50081 saves the space while increasing the working efficiency, saves the cost, and effectively reduces the occurrence of building concrete quality accidents.

The invention discloses a complete set of tunnel mechanical equipment, which specifically refers to an excavation trolley (or an excavation gantry), a drainage and steel bar binding trolley, a liningtrolley, a spray maintenance trolley, a ditch cable trough trolley, an inverted arch self-propelled hydraulic trestle and a wet spray manipulator, referred to as five trolleys, one trestle and one wetspray machine. A construction organization method matched with the complete set of mechanical equipment comprises the following construction organization steps: S1, hole excavation; S2, initial support; S3, inverted arch lining; S4, arched wall lining; S5, ditch cable troughs and the complete set of mechanical equipment. The construction organization method is reasonable, effectively improves tunnel management effect, improves construction operation environment, ensures construction safety and quality, improves construction progress and is worthy of promotion.

The invention relates to the technical field of transformers, and discloses a transformer with good heat dissipation effect, comprising a transformer body, the top of the transformer body is threadedly connected with a cover plate through a threaded rod, and both sides of the transformer body are fixedly connected with heat dissipation pipes , both sides of the inner wall of the transformer body are fixedly connected with heat-absorbing fins, the bottom of one side of the inner wall of the transformer body is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with an exhaust fan, and the bottom of the transformer body A base is fixedly connected, and a cooling groove is opened on the top of the base. The transformer with good heat dissipation effect absorbs heat through the heat-absorbing fins on both sides of the inner cavity of the transformer body and lowers the temperature. The rotation of the fan blade installed inside further improves the heat dissipation efficiency, and the double heat dissipation is carried out at the same time to achieve the purpose of efficient heat dissipation.

The invention discloses an access point (AP) license management system, comprising a network management system built with link connections and at least one access controller; the access controller acquires and stores locally managed AP license parameters, receives adjusted AP license parameters sent by an NMS to substitute for the originally stored AP license parameters, and completes the validness and control of the AP license parameters corresponding to the adjusted AP license parameters. The NMS adjusts the AP license parameters managed by each access controller and notifies each access controller according to received executive instructions. The invention also discloses an application method of the network management system (NMS) and the AP license management system. The invention can save AP license resources.

The invention discloses an electric power drawer cabinet capable of being drawn selectively. The electric power drawer cabinet comprises a cabinet body, the cabinet body is internally provided with accommodating cavities which are symmetric at the left and the right and a driving cavity between the accommodating cavities, clapboards with sliding grooves are arranged between the driving cavity and the accommodating cavities, the accommodating cavities are internally provided with drawer pieces, the rear end faces of the drawer pieces are provided with rear panels, the driving cavity is provided with a first screw rod, the first screw rod is in thread coordinate connection with an operation mechanism, the operation mechanism is internally provided with an operation cavity, the two sides of the top of the operation cavity are provided with grooves which are arranged oppositely, the grooves are internally provided with first guide rods, and the first guide rods are provided with moving tables in left-right coordinate sliding connection. The electric power drawer cabinet capable of being drawn selectively is simple in structure, can achieve multiple drawing modes according to different requirements, increase the repairing speed of staff, and improve the safety.

The invention relates to a cable breakpoint fault rapid searching instrument and a method thereof. The method comprises the following steps of, firstly, switching off a breaker which supplies power to a drum and a trolley motor in a transfer power box; secondly, measuring a motor resistance by using a universal meter at the wiring part at the lower terminal of the breaker, and judging which a core wire in a cable is a broken wire; thirdly, connecting the broken wire to a live wire at the lower terminal of an air switch through a lead at the wiring part at the lower terminal of the breaker; fourthly, connecting the other core wires to a ground wire through leads at the wiring part at the lower terminal of the breaker without disassembling a load; fifthly, opening the air switch to transport a detection current, sleeving a jaw of the searching instrument on the cable, and detecting from the power supply end to the load end along the cable; and sixthly, disconnecting the wire broken part and carrying out breakpoint butt joint. The invention has the advantages of simpleness, practicability and convenient operation and can rapidly verify the accurate position of a breakpoint without damaging the cable. The cable can be used again through breakpoint butt joint and banding, thereby lowering the cost and also enhancing the maintenance speed.

The invention discloses a rock breaking method. The rock breaking method comprises the following steps that A, a rock breaking machine arranged in a rock breaking operation zone is driven or moved to a zone to be subjected to rock breaking, the rock breaking operation zone is made to be above the zone to be subjected, and the rock breaking operation zone of the rock breaking machine is a hollow zone which penetrates through a car body of the rock breaking machine and is perpendicular to the ground; B, a rock arm is operated, and a rock breaking part on the rock arm is controlled to act downwards in the rock breaking operation zone; and C, the rock breaking part of the rock arm breaks rocks in the rock breaking operation zone. The technical effects that the weight of the rock breaking machine can be fully utilized to improve the rock breaking effect of the rock arm in the rock breaking operation zone, and the rock arm is effectively made to conduct rock breaking operation around the gravity center and the nearest zone of the rock breaking machine; and meanwhile, on the premise that the rock breaking effect is ensured, arms with high weight do not need to be lifted, the energy loss of idle work can be reduced to minimum, and thus the rock breaking energy consumption is reduced.

The invention relates to a method for rapidly developing software by utilizing metadata and middleware, which is characterized in that the functions of the adding, modifying, deleting, inquiring, permission verifying, permission filtering, individualized setting of the data with general requirements and the data guiding to Excel can be realized on the premises of not carrying out coding but only setting the metadata; and after the corresponding metadata is set, the middleware can be automatically operated according to the metadata. The method provided by the invention has the beneficial effects of enhancing the development speed and maintenance speed of the software, lowering the development and maintenance cost of the software, greatly reducing the working capacity, saving the development time, improving the competitiveness of a software company, facilitating communication between a final user and the software company and enhancing the convenience of the permission setting and individualized setting of the user.

The invention discloses a wind power generator. The wind power generator comprises a tower, at least one impeller part, a wind guide hood, a plurality of wind guide windows, a cap body, a first drive device, a second drive device, a wind power and wind direction measurer and a control device, wherein the at least one impeller part is arranged at the upper end of the tower, and comprises a wind blade main shaft and blades; the wind guide hood is a hollow cylinder, and the tower is vertically arranged in a cavity of the hollow cylinder; the plurality of wind guide windows are uniformly arranged on the sidewall of the wind guide hood in columns; the cap body is arranged at an opening in the upper end of the wind guide hood in a covering manner; the first drive device is used for driving the opening and closing of the plurality of wind guide windows; the second drive device is used for driving each triangular plate body to rotate by taking the axis of the triangular plate body as a circle centre; and the wind power and wind direction measurer is arranged on the cap body. The wind power generator provided by the invention is simple in structure, safe to use, convenient to maintain, and safe and reliable in performance. The invention further discloses a control method for the wind power generator. The method is capable of effectively controlling the safe running of the wind power generator, and adequately utilizing wind energy for generating power on the basis of protecting the safety of the wind power generator.

The invention relates to a visual operation and maintenance method for photovoltaic power station inspection by using an unmanned automated aerial vehicle. Inspection is carried out for a fault area of a photovoltaic power station based on a photovoltaic power station operation and maintenance system; the unmanned automated aerial vehicle is closely combined with the photovoltaic power station operation and maintenance system, such that information transmitted by the unmanned automated aerial vehicle in real time is processed in real time on the photovoltaic power station operation and maintenance system and instructions are given to allow the unmanned automated aerial vehicle to acquire fault information better; manpower and material resources are saved; in addition, due to the particularity of square matrix arrangement of the photovoltaic power station, a description method for coordinates of faults in the invention also uses row and column description for the square matrix, which accords with the characteristic of square matrix arrangement of the photovoltaic power station. Using such a method, the operation and maintenance staff can spend the least time to inspect equipment timely during inspection on the photovoltaic power station; the cost and time problems of manual inspection are solved; and the problem of affecting the overall efficiency of the photovoltaic power station due to un-timely inspection of equipment of the power station is solved fundamentally.

A lightning protection device of signal is prepared as arranging at least one insertion hole on hollowed frame of lightning protection unit, forming a lightning protection single board by a connector and board body, inserting said board body into hollow portion of hollowed frame through said insertion hole and connecting said connector with one end of board body for inputting signal to said board body. The base station applying said lightning protection device is also disclosed.

The invention relates to the technical field of power protection, and discloses a power electrical switch cabinet with a short-circuit protection function. The power electrical switch cabinet comprises a shell, a pressure relief device, a small bus chamber, a cable chamber, a relay instrument chamber, a maintenance channel, a circuit breaker and a current transformer. With the arrangement of an infrared detector I, an infrared detector II and an infrared detector III, an arc light short circuit is detected before damaging the electrical elements at the occurrence stage, the detected information is processed by a signal amplifier and a signal microprocessor, and a circuit breaker is directly commanded to cut off the circuit, so that the protection strength to the arc light short circuit inthe switch cabinet is enhanced, the economic losses caused by the arc light short circuit are reduced, the short circuit faults occurring in the switch cabinet can be effectively positioned, the maintenance speed is increased, and the economic losses caused by shutdown are reduced. Meanwhile, a bus is cut off through the arrangement of a bus protection device, so that the damage caused by the switch cabinet to the adjacent cabinet bodies due to the overlarge current can be effectively reduced.

The invention discloses an ultrasonic detection device used for automobile maintenance. The ultrasonic detection device used for automobile maintenance comprises a groove steel plate, a plurality of pressure measuring devices, a telescopic rod, an operation screen, a groove, a motor, an ultrasonic detector, an anti-interference protective casing, a plurality of gears, a gear belt, a skidproof stripe belt, a limiting block, a backing plate, a supporting plate, a bidirectional hydraulic device, a balance hydraulic device and a balance hydraulic rod, wherein the pressure measuring devices are mounted at four corners of the bottom of the groove steel plate respectively; each pressure measuring device comprises a supporting base, a pressure tester, a support pillar and a rubber base, each pressure tester is mounted at the bottom of the corresponding supporting base, and each support pillar is mounted at the bottom of the corresponding pressure tester. The device is scientific and reasonablein structure and safe and convenient to use, the gears are driven by the motor, the ultrasonic detector can be driven to move freely through mutual rotation of the gears and the gear belt, and the ultrasonic detector or an automobile does not need to move manually any more during automobile maintenance, so that the maintenance speed is improved, and the manpower and material resources are saved.

The invention discloses a convenient drawer type power cabinet which comprises a cabinet body. Accommodation cavities are symmetrically arranged in the cabinet body left and right, and a driving cavity is arranged between the accommodation cavities. Separation plates with chutes are arranged between the driving cavity and the accommodation cavities. A drawer is arranged in each accommodation cavity. A rear panel is arranged on the rear end face of each drawer. A first screw is arranged in the driving cavity. The first screw is threadedly connected with an operation mechanism. The operation mechanism is provided with an operation cavity. Opposite grooves are arranged on both sides of the top of the operation cavity. A first guide rod is arranged in each groove. Left and right sliding tables slidingly connected are arranged on each first guide rod. According to the invention, the convenient drawer type power cabinet has the advantages of simple structure; a number of drawing out modes are realized according to different requirements; and the overhaul speed and security of staff are improved.

The invention discloses a concrete pole production and maintenance control device, and belongs to the field of concrete pole production. The concrete pole production and maintenance control device comprises a steam generating device, an air extracting device, a controller, a box body and a mould, wherein the box body is connected with the steam generating device and the air extracting device, the mould comprises an upper half mould, a lower half mold and two sealing plates, a steam pipe is connected between the two sealing plates, a steam nozzle and a sealing plug are arranged on the side wall of the steam pipe, a guide rod and a reset spring are arranged on the inner wall of the steam pipe, a guide blind hole is formed in the inner wall of the sealing plug, the sealing plug is connected with the steam pipe through a reset spring, a plurality of steam nozzles are uniformly distributed on the inner wall of the box body, one end of the steam pipe is connected with a steam main pipe, the other end of the steam pipe is connected with an air suction pipe, temperature sensors and pressure sensors are arranged on the inner wall of the steam pipe and the inner wall of the box body, the controller is arranged on the box body, and the controller is electrically connected with the steam generating device, the air extracting device, the temperature sensors and the pressure sensors. According to the concrete pole production and maintenance control device, the steam environment can be conveniently controlled, and the curing consistency is good.

The invention discloses a novel mailbox processing device. The novel mailbox processing device comprises an assembling frame and a working frame, wherein the assembling frame is installed in a hangingbracket in a left-and-right translation and matching mode, and the working frame is used for being connected with the assembling frame in a locking and matching mode; a horizontally-moving hanging groove with an opening part facing downwards and extending left and right is formed in the hanging bracket, the upper portion of the assembling frame is installed in the horizontally-moving hanging groove in a left-and-right translation mode, and a screw column is matched with a screw in the assembling frame; the end face of the right portion of the screw column is rotationally connected with the right side inner wall of the horizontally-moving hanging groove in a matching mode, the end surface of the left portion of the screw column is connected with a motor fixedly arranged in the hanging bracket in a matching mode, and a hanging rod is fixedly arranged right above the upper portion end surface of the hanging bracket; and a sinking groove extending upwards is formed in the bottom end surface of the left side of the working frame, in the sinking groove, a sliding frame is connected with the sinking groove in a translation and matching mode, and a sunken groove is formed in the bottom end surface of the right side of the working frame. The novel mailbox processing device is simple in structure, convenient to operate, capable of realizing a locking and matching connection through automatic control and convenient to detach and mount, and meanwhile, the working efficiency of marking work is improved.

The invention relates to the field of pipe network inspection equipment, in particular to a pipe network inspection and maintenance terminal based on augment reality. The terminal comprises a terminalbody, wherein the terminal body comprises a rear camera module, a positioning module, a display module, a maintenance teaching module, a processing module, a maintenance module and an AR (Augmented Reality) module; a geographic environment image is acquired by the rear camera module and sent to the processing module; the processing module sends the geographic environment image to the display module; the AR module is used for forming a three-dimensional image model of a pipe network and superposing the three-dimensional image model on the geographic environment image; the processing module superposes the three-dimensional image model on the display module; the maintenance module is used for maintenance personnel to send a maintenance signal to the processing module during maintenance; theprocessing module acquires maintenance teaching information in the maintenance teaching module according to the maintenance signal and sends the maintenance teaching information to the AR module; andthe AR module forms the maintenance image model on the display module. The terminal instructs the maintenance personnel to carry out maintenance on the pipe network, and thus the maintenance speed ofthe pipe network is improved.

The technical solution of the invention provides a train closed-loop intelligent maintenance method and system. The train closed-loop intelligent maintenance method comprises the steps that: an intelligent maintenance machine collects structural parameter information and position information of a train component, a data processing center determines whether the train component is a failed componentor not according to the structural parameter information and position information, the fault information of the failed component is generated according to the structural parameter information and theposition information if so, a fault repair checklist is generated according to the fault information and is sent to a repair center where a train is located, and the repair center repairs the failedcomponent according to the fault repair checklist. According to the technical solution of the invention, the maintenance efficiency of the train component can be improved, and the contradiction between maintenance ability and the rapid increase of a train inventory in the prior art is solved.