CN114475696A - Comprehensive maintenance process flow method for intelligent rail vehicle - Google Patents

Comprehensive maintenance process flow method for intelligent rail vehicle Download PDF

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CN114475696A
CN114475696A CN202210062597.7A CN202210062597A CN114475696A CN 114475696 A CN114475696 A CN 114475696A CN 202210062597 A CN202210062597 A CN 202210062597A CN 114475696 A CN114475696 A CN 114475696A
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vehicle
overhaul
rail vehicle
comprehensive
maintenance
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CN114475696B (en
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付英东
冯帅
周小斌
殷勤
李经伟
杨辉
左玉东
刘高坤
蒲思培
刘宗泽
葛晓
张思文
白丹辉
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K13/00Other auxiliaries or accessories for railways
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    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract

The invention discloses a comprehensive maintenance process flow method of an intelligent rail vehicle, which has the general scheme that: and after the intelligent rail vehicle is disassembled, all parts and systems including the vehicle body are completely disassembled, checked and renovated. Particularly, various electric appliance control devices such as a walking part, a hinge device, an air conditioning system, a transmission shaft, a motor, an electric appliance, a braking system and the like are subjected to inspection, repair, cleaning, flaw detection, interchange, test and combination technology transformation to comprehensively replace partial systems, and each system of a vehicle is subjected to comprehensive detection, debugging and test. And replacing the main parts and replacing the key parts according to the service life management requirement. The method has the greatest characteristics that the method recreates the traditional track traffic vehicle overhauling process aiming at the structural characteristics and technical characteristics of the intelligent track vehicle, provides a comprehensive overhauling process flow method suitable for the intelligent track vehicle, determines overhauling division and provides detailed description, provides technical guidance for overhauling work, and has obvious economic benefit.

Description

Comprehensive maintenance process flow method for intelligent rail vehicle
Technical Field
The invention belongs to the field of intelligent rail vehicle maintenance processes, and particularly relates to a comprehensive maintenance process flow method of an intelligent rail vehicle.
Background
The intelligent rail vehicle full-name intelligent rail express system is a novel rail traffic system for identifying the virtual rail operation on the road surface through a vehicle-mounted sensor. Compared with traditional rail transportation modes such as subways, trams, straddle type single rails and the like, the intelligent rail has the advantages of low cost, less land use, short construction period, less influence on urban space of the existing transportation system, no road right occupation, flexible line arrangement, flexible scheduling, small turning radius, strong climbing capacity and the like. The intelligent rail is used as a ground rail transit system with medium and low traffic volume, can effectively fill up the gap of transportation capacity and speed between the urban rapid rail transit with large traffic volume and the conventional public transit, and is suitable for medium and small urban public transit lines, tourist city sightseeing lines or other rail transit supplementary lines.
At present, due to lack of operation experience, the maintenance process of the intelligent rail is not clear. The difference between the intelligent rail vehicle and the traditional rail transit vehicle in the aspects of a walking structure, a traction system, a power supply system, an energy storage system and the like is large, and the overhauling process of the intelligent rail vehicle is also greatly adjusted on the basis of the overhauling process of the traditional rail transit vehicle.
Therefore, in order to guarantee the normal operation of the intelligent rail vehicle and implement the principles of prevention as a main part, forced maintenance, scientific detection and maintenance combination, the invention designs a comprehensive maintenance process flow method of the intelligent rail vehicle, and provides sufficient technical support for the operation and maintenance of the intelligent rail vehicle.
Disclosure of Invention
Aiming at least one of the defects or improvement requirements in the prior art, the invention provides a comprehensive overhaul process flow method of an intelligent rail vehicle, which combines the structural characteristics of the intelligent rail vehicle, provides an adaptive comprehensive overhaul process flow and is different from subway vehicles, trams, suspended monorail and the like in order to ensure that the intelligent rail vehicle has a definite overhaul process flow in a certain running kilometer or running period and reasonably and effectively utilize resources on the premise of ensuring the safe running of the vehicle; by combining the technical characteristics of the intelligent rail vehicle, a safe, efficient and economic overhaul process is provided for a power receiving system and an energy storage system of the intelligent rail vehicle, and the running safety of the intelligent rail vehicle can be guaranteed; the comprehensive maintenance process flow is provided, the maintenance requirements of the intelligent rail vehicle are met, the safe operation of the vehicle is guaranteed, and an instructive maintenance process scheme can be provided for comprehensive maintenance workers.
In order to achieve the above object, according to an aspect of the present invention, there is provided a comprehensive repair process method for an intelligent rail vehicle, comprising the steps of:
s1, preparation before comprehensive overhaul of the intelligent rail vehicle:
after the running mileage of the intelligent rail vehicle reaches 48 kilometers or the running time reaches 10 years, carrying out comprehensive maintenance operation application, cleaning and purging the vehicle, warehousing for inspection, and then dragging the maintenance vehicle to a comprehensive maintenance warehouse;
s2, comprehensive overhaul operation of the intelligent rail vehicle:
the operation objects comprise a roof device, an intelligent rail vehicle running part, a vehicle body and an in-vehicle device; the roof equipment comprises a power receiving system and an energy storage system except for a charging gun charging port, and the vehicle body equipment comprises the charging gun charging port;
the operation content of the vehicle overhaul comprises the following steps:
the intelligent rail vehicle is disassembled in the component overhaul room, the disassembled intelligent rail vehicle running part is pushed out to a running part overhaul warehouse for decomposition and repair, and the running part after overhaul is assembled and is subjected to static load and dynamic load tests;
the disassembled roof equipment and the equipment in the vehicle are disassembled and overhauled in a component overhaul room, wherein the overhaul of the roof equipment comprises the overhaul of a power receiving system except a charging port of a charging gun and the overhaul of an energy storage system;
the method comprises the following steps that a train body is sent into a train body overhaul warehouse to correct a train body structure and replace internal parts of the train body, a charging port of a charging gun of a power receiving system is checked, the train body is sent into a paint spraying warehouse to be renovated after overhaul, roof equipment, in-train equipment, a walking part and the train body are assembled in the overhaul warehouse, and a train is marshalled;
s3, performing overall debugging and acceptance inspection after comprehensive maintenance of the intelligent rail vehicle:
the intelligent rail vehicle inspection and acceptance method comprises the steps of static debugging, dynamic debugging and rain test of the train, and is characterized in that all normal vehicles are inspected and accepted, and the intelligent rail vehicle can be taken out of a warehouse after passing the inspection and acceptance to recover the operation.
Further preferably, in step S2, the overhaul of the powered system includes fastener overhaul, pantograph overhaul, insulation overhaul and disassembly overhaul.
Further preferably, in step S2, the energy storage system maintenance includes full charge correction, roof energy storage inspection, and disassembly and assembly test.
Further preferably, the inspection item of the energy storage inspection of the vehicle roof comprises:
Figure BDA0003478819600000021
Figure BDA0003478819600000031
further preferably, in step S1, the step of preparing for the smart rail vehicle before the overhaul work includes:
s1.1: according to the fact that the running mileage of the intelligent rail vehicle reaches 48 kilometers or the running time reaches 10 years, a vehicle comprehensive maintenance operation plan sheet is compiled in combination with the running condition of the vehicle;
s1.2: the overhaul teams and crew members look up the operation projects to be completed by the intelligent rail vehicle;
s1.3: each operator transacts the operation procedures, fills in the material tool application and receives the corresponding material and tool;
s1.4: the intelligent rail vehicle drives into a cleaning area to remove dust, oil stains and dirt on the outer surface of the vehicle caused by vehicle operation and maintenance;
s1.5: driving the intelligent rail vehicle into a blowing warehouse, and performing careful soot blowing work on a walking part and a vehicle roof of the intelligent rail vehicle, so that the cleaning work of the surfaces of parts after the walking part is disassembled in the following process is facilitated;
s1.6: preparing for maintenance of the maintenance road, and drawing the train into a comprehensive maintenance warehouse;
s1.7: and after the intelligent rail vehicle enters the comprehensive overhaul warehouse, preparing to carry out comprehensive overhaul operation on the intelligent rail vehicle.
Further preferably, in step S2, the vehicle overhaul work step includes:
s2.1: the train is disassembled, and the disassembled train is pulled to a specified position of the platform to disassemble the equipment;
s2.2: the train stops at the designated position of the maintenance platform, after alignment and fixation, the train is synchronously lifted to separate the traveling wheels from the ground virtual track, and the operation platform moves towards two sides to be opened to expose the roof equipment;
s2.3: a fixed running part for inhibiting the sliding of the fixed running part in the operation process;
s2.4: the maintenance personnel walk to the corresponding position of the roof platform through the maintenance platform to carry out operation, the maintenance personnel disassemble the roof equipment, the overhead travelling crane lifts the equipment to the transfer trolley, the transfer trolley sends the equipment to the corresponding workshop to be maintained or replaced, the maintenance of the power receiving system and the maintenance of the energy storage system except the charging port of the charging gun are carried out at the moment, the assembly is carried out after normal debugging, and the assembled parts are stored to a qualified area to wait for final assembly;
s2.5: the electric circuit is overhauled or parts are replaced, the interface is ensured to be fastened without looseness, the wire protection hose is ensured not to have obvious cracks and deformation, and meanwhile, the charging port of the charging gun is overhauled;
s2.6: the maintenance personnel finish the disassembly between the central hanging system at the bottom of the walking part and the top of the vehicle body, so that the walking part is separated from the vehicle body; the vehicle body is translated to the outside of the vehicle roof operation platform and sent to a vehicle body maintenance room, and the walking part is pushed to the end part of the platform and lifted to the ground through a crown block;
s2.7: the operation personnel continuously disassemble the car door and window, the car coupler device, the through passage, the seat, the floor, the cab equipment, the electrical system, the electrical equipment and the auxiliary equipment on the car, the disassembled parts are placed on the transfer trolley, the transfer trolley moves to a part overhaul room to be cleaned, purged, disassembled, overhauled and replaced, the assembling is carried out after the normal debugging, and the assembled parts are stored to a qualified area to wait for final assembly;
s2.8: the method comprises the following steps of completely disassembling a walking part in a walking part overhaul warehouse, disassembling the walking part into an axle, a suspension, a braking system, tires, a transmission shaft and a steering system, cleaning, finely decomposing, cleaning, detecting, polishing, paint repairing, replacing parts, replacing rubber tires, carrying out walking part assembly after all tests are qualified, carrying out static load tests and dynamic load tests on the assembled walking part, and storing the walking part for final assembly after the tests are qualified;
s2.9: the traction motor is sent to a traction motor maintenance workshop for cleaning and purging to enable the motor to have a clean appearance, damaged connecting wires and parts are replaced, the traction motor is decomposed, a bearing is checked, lubricating grease is replaced, dust and blockage of a motor air duct are cleaned, a sensor, a resistor, the bearing and a stator are maintained, motor surface paint is checked and repaired, the motor is assembled and tested after all tests are qualified, and the motor is sent to a walking part maintenance warehouse for assembly after the tests are qualified;
s2.10: the vehicle body is sent into a vehicle body overhaul warehouse to inspect and correct the vehicle body structure, paving materials including a wall plate, a ceiling and a floor in the vehicle are replaced, a vehicle bottom guide wheel is inspected, then the vehicle body is sent into a paint spraying warehouse to spray paint externally to restore the whole appearance, and then the vehicle body is sent into a comprehensive overhaul warehouse to wait for final assembly;
s2.11: moving the qualified running gear to a comprehensive overhaul warehouse, and carrying out vehicle final assembly operation; hoisting the walking part, parts and equipment on the roof from the transfer trolley through a traveling crane on the operation platform, moving the walking part and the parts and equipment to the roof, and assembling the parts and the equipment on the specified part of the operation platform by an overhaul worker;
s2.12: after the vehicle body is assembled, all the disassembled cover plates are installed, after an operator checks that all the parts are connected correctly, the movable platform on the operation platform moves towards the center of the circuit, and the lifting device slowly falls down, so that the lifting device moves towards two sides after the wheels are contacted with the operation platform;
s2.13: the vehicle is organized into groups, and a coupler buffer and a workshop connection device between the vehicle bodies are connected.
Further preferably, in step S2.4 and step S2.11, the safety rope is fixed to the waist of the service person during the operation, and the safety rope is connected to the operation platform.
Further preferably, in step S3, the static debugging step includes: and after the vehicle marshalling is finished, connecting the static debugging power supply cabinet to perform static debugging on the whole vehicle, and ensuring that all basic functions of the vehicle are normal after the vehicle is electrified.
Further preferably, in step S3, the dynamic debugging step includes: and after the static debugging is finished, the train is dynamically debugged on line, so that all functions in the running process of the train are normal.
Further preferably, in step S3, the rain test step includes: and (5) carrying out a rain test after the dynamic debugging is finished, and checking whether the vehicle assembly is qualified.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, compared with the prior art, the technical scheme provided by the invention has the greatest characteristic that the traditional rail transit vehicle overhauling process is recreated aiming at the structural characteristics and the technical characteristics of the intelligent rail vehicle, the comprehensive overhauling process flow method suitable for the intelligent rail vehicle is provided, and the intelligent rail vehicle overhauling process flow method has the following beneficial effects:
1. the comprehensive overhaul process flow method of the intelligent rail vehicle combines the structural characteristics of the intelligent rail vehicle, provides an adaptive comprehensive overhaul process flow, and is different from subway vehicles, tramcars, suspended monorail and the like.
2. The comprehensive overhaul process flow method of the intelligent rail vehicle combines the technical characteristics of the intelligent rail vehicle, provides a safe, efficient and economic overhaul process for the power receiving system and the energy storage system of the intelligent rail vehicle, and can ensure the running safety of the intelligent rail vehicle.
3. The comprehensive overhaul process flow method of the intelligent rail vehicle, disclosed by the invention, provides a complete comprehensive overhaul process flow, meets the overhaul requirements of the intelligent rail vehicle, provides guarantee for the safe operation of the vehicle, and can provide an instructive overhaul process scheme for comprehensive overhaul workers.
4. The comprehensive overhaul process flow method of the intelligent rail vehicle can effectively meet the operation requirement of the intelligent rail vehicle and ensure the safe operation of the vehicle.
5. The comprehensive maintenance process flow method of the intelligent rail vehicle can effectively meet daily maintenance requirements of the intelligent rail vehicle running part running on the virtual rail, and ensures that the intelligent rail vehicle runs safely in the virtual rail.
6. According to the comprehensive overhaul process flow method of the intelligent rail vehicle, the traction system, the power supply system, the energy storage system, the walking mechanism and the like of the vehicle are different from the process flows of respective overhaul of the subway and the tramcar, the walking part and the roof equipment are disassembled by moving or disassembling the vehicle hoisting operation platform and are conveyed to each workshop for overhaul, and the comprehensive overhaul efficiency can be effectively improved.
7. The comprehensive maintenance process flow method of the intelligent rail vehicle, disclosed by the invention, makes the maintenance work division clear and provides detailed description, provides technical guidance for maintenance work, enables the maintenance teams to carry out comprehensive maintenance operation more scientifically, standardly and orderly, avoids blind maintenance, and avoids the problems of undetermined primary and secondary operation, cross operation and missed maintenance or insufficient maintenance degree during equipment maintenance.
The comprehensive maintenance process is an important component in the safety guarantee system of the intelligent rail vehicle, the perfect comprehensive maintenance process can improve the maintenance efficiency, effectively prolong the service life of the train and have remarkable economic benefit.
Drawings
FIG. 1 is a schematic diagram of a track-based vehicle overhaul process flow method according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a service base compatible with the track-based vehicle overhaul process flow method of the embodiment of the invention;
fig. 3 is a schematic diagram of a smart rail vehicle power receiving system according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to specific embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1-3, the present invention provides a comprehensive maintenance process method for an intelligent rail vehicle, so as to meet the application requirements and prolong the service life of the intelligent rail vehicle. Compared with subway trains, trams and straddle monorail trains, the intelligent rail vehicle has large difference in vehicle structures, power supply, energy storage modes, line conditions and other aspects, and the traditional maintenance process cannot meet and is suitable for the maintenance requirements of the intelligent rail vehicle. Therefore, the scheme of the invention is a comprehensive maintenance process flow for the intelligent rail vehicle completely matched with the differences.
The general scheme of intelligent rail vehicle comprehensive overhaul is as follows: and after the intelligent rail vehicle is disassembled, all parts and systems including the vehicle body are completely disassembled, checked and renovated. Particularly, various electric appliance control devices such as a walking part, a hinge device, an air conditioning system, a transmission shaft, a motor, an electric appliance, a braking system and the like are subjected to inspection, repair, cleaning, flaw detection, interchange, test and combination technology transformation to comprehensively replace partial systems, and each system of a vehicle is subjected to comprehensive detection, debugging and test. And replacing the main parts and replacing the key parts according to the service life management requirement.
The overhaul process flow of the invention is shown in figure 1, and the layout schematic diagram of each overhaul warehouse is shown in figure 2. The comprehensive overhaul content is mainly divided into three parts.
The first part is preparation before the comprehensive overhaul of the intelligent rail vehicle: and after the running mileage of the intelligent rail vehicle reaches 48 kilometers or the running time reaches 10 years, carrying out comprehensive maintenance operation application, cleaning and purging the vehicle, warehousing for inspection, and then dragging the maintenance vehicle to a comprehensive maintenance warehouse.
The second part is the comprehensive maintenance operation of the intelligent rail vehicle:
the operation objects comprise a roof device, an intelligent rail vehicle running part, a vehicle body and an in-vehicle device; the roof equipment comprises a power receiving system and an energy storage system except for a charging gun charging port, and the vehicle body equipment comprises the charging gun charging port;
the operation content of the vehicle overhaul comprises the following steps:
intelligent rail vehicle decompiling, disassembling in the component overhaul room, pushing the disassembled intelligent rail vehicle running part into a running part overhaul warehouse for decomposing, cleaning, overhauling and debugging each component, and decomposing, repairing, debugging and testing a traction motor, an electric appliance, an electric circuit and the like; assembling the repaired walking part and performing static load and dynamic load tests on the walking part;
the disassembled roof equipment and the interior equipment, such as car door windows, a through passage, a car coupler buffer, a braking system, electrical equipment and the like, are disassembled and overhauled in the component overhaul room, wherein the overhaul of the roof equipment comprises the overhaul of a power receiving system except a charging port of a charging gun and the overhaul of an energy storage system;
the method comprises the following steps that a train body is sent into a train body overhaul warehouse to correct a train body structure and replace internal parts of the train body, a charging port of a charging gun of a power receiving system is checked, the train body is sent into a paint spraying warehouse to be renovated after overhaul, roof equipment, in-train equipment, a walking part and the train body are assembled in the overhaul warehouse, and a train is marshalled;
the third part is the whole debugging, acceptance check work after the intelligent rail vehicle overhauls comprehensively:
the intelligent rail vehicle inspection and acceptance method comprises the steps of static debugging, dynamic debugging and rain test of the train, and is characterized in that all normal vehicles are inspected and accepted, and the intelligent rail vehicle can be taken out of a warehouse after passing the inspection and acceptance to recover the operation.
Be different from railcar, tram, suspension type single track etc. intelligence rail vehicle passes through intelligent recognition system and moves on virtual track, does not receive the restriction of site conditions to a certain extent, and the powered system also divide into two kinds of modes: the pantograph receives power, and the charging gun receives power. Fig. 3 is a schematic diagram of a smart rail vehicle power receiving system, wherein the roof is a pantograph 1, and the side of the vehicle is a charging gun charging port 2.
Further preferably, in the second section, the service of the power receiving system other than the charging port of the charging gun includes fastener service, lifting bow service, insulation service, and disassembly overhaul service. The charging gun charging port is checked in a vehicle body overhaul warehouse along with a vehicle body.
The energy storage system stores energy for the smart rail vehicle through the lithium iron phosphate battery and comprises the lithium iron phosphate battery, a thermal management system, a repeater, a battery management system, a concentrator, a manual maintenance switch, a quick fuse, a sensor and the like.
Further preferably, in the second part, the overhaul of the energy storage system comprises full charge correction, roof energy storage inspection and disassembly and assembly test.
The comprehensive maintenance process flow of the intelligent rail vehicle is determined, the difference between the intelligent rail vehicle and the traditional rail transit vehicle is improved on the basis of the traditional rail transit vehicle maintenance process, insufficient maintenance is avoided, a comprehensive maintenance method is provided for train maintenance workers, and the comprehensive maintenance method has good guiding and popularization significance.
The comprehensive overhaul of the intelligent rail vehicle is completed by vehicle comprehensive overhaul teams and groups, electric service and communication overhaul personnel and cleaning workers together.
As shown in fig. 1-2, the detailed implementation of the comprehensive overhaul process flow of the smart rail vehicle is as follows:
a first part: preparation before operation for comprehensive overhaul of intelligent rail vehicle
(1) According to the running mileage of the vehicle reaching 48 kilometers or the running time reaching 10 years, a vehicle comprehensive maintenance operation plan sheet is compiled by combining the specific running condition of the vehicle, and the coordination with various manufacturers and departments should be paid attention during the compilation so as to clearly determine various cautions.
(2) And the overhaul teams and crew members look up the operation projects to be completed by the intelligent rail vehicle.
(3) Each operator transacts the operation procedure, fills in the material tool application, and obtains the corresponding material and tool.
(4) The intelligent rail vehicle drives into a cleaning area, and the procedures of prewetting and spraying, smearing liquid medicine, cleaning end faces, cleaning side faces, cleaning bottom faces, rinsing with clear water, blowing, drying and the like are completed through the automatic train skin cleaning device, so that dust, oil stains and other dirt on the outer surface of the vehicle caused by vehicle operation and maintenance are removed.
(5) The intelligent rail vehicle drives into the blowing storehouse, carries out careful soot blowing work on the vehicle running part and the vehicle roof, and is convenient for the subsequent cleaning work of the surfaces of the parts after the running part is disassembled.
(6) Preparation work before maintenance of the maintenance road is done, and a tractor is adopted to draw the train into the comprehensive maintenance warehouse according to a set speed.
(7) And after the intelligent rail vehicle enters the comprehensive overhaul warehouse, carrying out comprehensive overhaul operation on the intelligent rail vehicle.
A second part: comprehensive overhaul operation of intelligent rail vehicle
(8) And (5) disassembling the train, and transferring and pulling the disassembled train to the appointed part of the platform to disassemble the equipment.
(9) The train stops at the appointed position of the open-close type maintenance platform, after alignment and fixation, 2 car lifting jacks are synchronously lifted to separate the traveling wheels from the ground virtual track, and the operation platform moves towards two sides to be opened to expose the roof equipment.
(10) The running part is fixed to restrain the sliding during the operation.
(11) The maintainer walks to the roof platform relevant position through the maintenance platform and carries out the operation, and the maintainer dismantles roof equipment, and the overhead traveling crane lifts by crane equipment to transporting the dolly, transports the dolly and sends into corresponding workshop with equipment and overhauls or change, and except that the rifle that charges charge mouthful the maintenance of the power receiving system and the maintenance of energy storage system go on at this moment, assembles after the debugging is normal, and the part of assembling is deposited and is waited the final assembly to the qualification zone.
The maintenance of the power receiving system except for the charging port of the charging gun comprises fastener maintenance, lifting bow maintenance, insulation maintenance and disassembly comprehensive maintenance.
And the energy storage system is overhauled by full charge correction, roof energy storage inspection and disassembly and assembly test.
The checking item of the energy storage checking of the car roof comprises:
Figure BDA0003478819600000081
the numbers in the table do not represent the order of steps, but are merely a substitute for each check point.
(12) The electric line is overhauled or parts are replaced, the interface is ensured to be fastened without looseness, the wire protection hose has no obvious cracks and deformation, and meanwhile, the charging port of the charging gun is overhauled.
(13) The maintenance personnel finish the disassembly between the central hanging system at the bottom of the walking part and the top of the vehicle body, so that the walking part is separated from the vehicle body. 2 pallet trucks synchronous motion with the automobile body translation outside the roof operation platform, send into the automobile body and overhaul the storehouse, walk the propelling movement portion propelling movement to platform tip, lift by crane to ground.
(14) The operation personnel continue to disassemble door window, coupler device, through passage, seat, floor, driver's cabin equipment, electrical system, electrical equipment, auxiliary assembly etc. on the vehicle, and the part that disassembles is placed on the transport dolly, moves to the part and overhauls the room and washs, sweeps, disintegrates, overhauls, processes such as the piece of changing, assembles after debugging is normal, and the part of assembling is deposited to the qualification district and is waited for final assembly.
(15) The method comprises the steps of completely disassembling a walking part in a walking part overhaul warehouse, disassembling the walking part into an axle, a suspension, a braking system, tires, a transmission shaft, a steering system and the like, cleaning, finely decomposing, cleaning, detecting, polishing, paint repairing, replacing parts, replacing rubber tires, walking the walking part after all tests are qualified, performing static load tests and dynamic load tests on the walking part after all tests are finished, and storing the walking part for final assembly after the tests are qualified.
(16) The traction motor is sent into a traction motor maintenance workshop for cleaning and purging to enable the motor appearance to be clean, damaged connecting wires and parts are replaced, the traction motor is decomposed, bearings are inspected, lubricating grease is replaced, dust and blockage of a motor air duct are cleaned, a sensor, a resistor, a bearing, a stator and the like are maintained, motor surface paint is inspected and repaired, the motor is assembled and tested after all tests are qualified, and the motor is waited to be sent into a walking part maintenance warehouse for assembly after the tests are qualified.
(17) The automobile body is sent into the automobile body overhaul warehouse to inspect and correct the automobile body structure, the materials such as the wall board, the ceiling and the floor in the automobile are replaced, the guide wheel at the bottom of the automobile is inspected, then the automobile body is sent into the paint spraying warehouse to spray paint externally to restore the whole appearance, and then the automobile body is sent into the comprehensive overhaul warehouse to wait for final assembly.
(18) And moving the qualified running gear to a comprehensive overhaul warehouse for vehicle final assembly operation. The walking part, parts and equipment on the car roof are lifted from the transfer trolley through the walking crane on the operation platform and moved to the car roof, the maintenance personnel carry out assembly operation on the appointed part of the operation platform, the safety rope is fixed at the waist during operation, and the safety rope is connected to the operation platform.
(19) After the automobile body equipment was accomplished, the apron of all dismantlements of installation, operation personnel check that each part is connected errorlessly the back, and moving platform moves to the circuit center on the work platform, and lifting device slowly falls for after wheel and work platform contact, lifting device moved aside to both sides.
(20) The vehicle is organized into groups, and a coupler buffer and a workshop connection device between the vehicle bodies are connected.
And a third part: integral debugging and acceptance checking work after comprehensive overhaul of intelligent rail vehicle
(21) Static debugging
And after the vehicle marshalling is finished, connecting the static debugging power supply cabinet to perform static debugging on the whole vehicle, and ensuring that all basic functions of the vehicle are normal after the vehicle is electrified.
(22) Dynamic debugging
After the static debugging is finished, the train needs to be dynamically debugged online, and all functions are guaranteed to be normal in the running process of the train.
(23) Rain test
And (5) carrying out a rain test after the dynamic debugging is finished, and checking whether the vehicle assembly is qualified.
(24) And after all the functions of the vehicle are normal, the vehicle comprehensive overhaul and acceptance check work is completed.
(25) After the vehicle is pulled to the parking line through the tractor, the parking is ready for sending.
In summary, compared with the prior art, the method has the greatest characteristic that the traditional rail transit vehicle overhauling process is recreated aiming at the structural characteristics and technical characteristics of the intelligent rail vehicle, and the comprehensive overhauling process flow method suitable for the intelligent rail vehicle is provided, and the scheme provided by the invention has the following remarkable advantages:
the comprehensive overhaul process flow method of the intelligent rail vehicle combines the structural characteristics of the intelligent rail vehicle, provides an adaptive comprehensive overhaul process flow, and is different from subway vehicles, tramcars, suspended monorail and the like.
The comprehensive overhaul process flow method of the intelligent rail vehicle combines the technical characteristics of the intelligent rail vehicle, provides a safe, efficient and economic overhaul process for the power receiving system and the energy storage system of the intelligent rail vehicle, and can ensure the running safety of the intelligent rail vehicle.
The comprehensive overhaul process flow method of the intelligent rail vehicle, disclosed by the invention, provides a complete comprehensive overhaul process flow, meets the overhaul requirements of the intelligent rail vehicle, provides guarantee for the safe operation of the vehicle, and can provide an instructive overhaul process scheme for comprehensive overhaul workers.
The comprehensive overhaul process flow method of the intelligent rail vehicle can effectively meet the operation requirement of the intelligent rail vehicle and ensure the safe operation of the vehicle.
The comprehensive maintenance process flow method of the intelligent rail vehicle can effectively meet daily maintenance requirements of the intelligent rail vehicle running part running on the virtual rail, and ensures that the intelligent rail vehicle runs safely in the virtual rail.
According to the comprehensive overhaul process flow method of the intelligent rail vehicle, the traction system, the power supply system, the energy storage system, the walking mechanism and the like of the vehicle are different from the process flows of respective overhaul of the subway and the tramcar, the walking part and the roof equipment are disassembled by moving or disassembling the vehicle hoisting operation platform and are conveyed to each workshop for overhaul, and the comprehensive overhaul efficiency can be effectively improved.
The comprehensive maintenance process flow method of the intelligent rail vehicle, disclosed by the invention, makes the maintenance work division clear and provides detailed description, provides technical guidance for maintenance work, enables the maintenance teams to carry out comprehensive maintenance operation more scientifically, standardly and orderly, avoids blind maintenance, and avoids the problems of undetermined primary and secondary operation, cross operation and missed maintenance or insufficient maintenance degree during equipment maintenance.
The comprehensive maintenance process is an important component in the safety guarantee system of the intelligent rail vehicle, the perfect comprehensive maintenance process can improve the maintenance efficiency, effectively prolong the service life of the train and have remarkable economic benefit.
It will be appreciated that the embodiments of the system described above are merely illustrative, in that elements illustrated as separate components may or may not be physically separate, may be located in one place, or may be distributed over different network elements. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
In addition, it should be understood by those skilled in the art that in the specification of the embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the embodiments of the invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects.
However, the disclosed method should not be interpreted as reflecting an intention that: that is, the claimed embodiments of the invention require more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of an embodiment of this invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A comprehensive maintenance process flow method of an intelligent rail vehicle is characterized by comprising the following steps:
s1, preparation before comprehensive overhaul of the intelligent rail vehicle:
after the running mileage of the intelligent rail vehicle reaches 48 kilometers or the running time reaches 10 years, carrying out comprehensive maintenance operation application, cleaning and purging the vehicle, warehousing for inspection, and then dragging the maintenance vehicle to a comprehensive maintenance warehouse;
s2, comprehensive overhaul operation of the intelligent rail vehicle:
the operation objects comprise a roof device, an intelligent rail vehicle running part, a vehicle body and an in-vehicle device; the roof equipment comprises a power receiving system and an energy storage system except for a charging gun charging port, and the vehicle body equipment comprises the charging gun charging port;
the operation content of the vehicle overhaul comprises the following steps:
the intelligent rail vehicle is disassembled in the component overhaul room, the disassembled intelligent rail vehicle running part is pushed out to a running part overhaul warehouse for decomposition and repair, and the running part after overhaul is assembled and is subjected to static load and dynamic load tests;
the disassembled roof equipment and the equipment in the vehicle are disassembled and overhauled in a component overhaul room, wherein the overhaul of the roof equipment comprises the overhaul of a power receiving system except a charging port of a charging gun and the overhaul of an energy storage system;
the method comprises the following steps that a train body is sent into a train body overhaul warehouse to correct a train body structure and replace internal parts of the train body, a charging port of a charging gun of a power receiving system is checked, the train body is sent into a paint spraying warehouse to be renovated after overhaul, roof equipment, in-train equipment, a walking part and the train body are assembled in the overhaul warehouse, and a train is marshalled;
s3, carrying out overall debugging and acceptance inspection after comprehensive maintenance of the intelligent rail vehicle:
the intelligent rail vehicle inspection and acceptance method comprises the steps of static debugging, dynamic debugging and rain test of the train, and is characterized in that all normal vehicles are inspected and accepted, and the intelligent rail vehicle can be taken out of a warehouse after passing the inspection and acceptance to recover the operation.
2. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 1, wherein:
in step S2, the overhaul of the powered system includes fastener overhaul, lifting bow overhaul, insulation overhaul, and disassembly overhaul.
3. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 2, wherein:
in step S2, the energy storage system maintenance includes full charge calibration, roof energy storage inspection, and disassembly and assembly test.
4. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 3, wherein:
the checking item of the energy storage checking of the car roof comprises:
insulation resistance value;
a total voltage;
whether the power line plug-in connection is loosened or not;
whether an iron core in the power line plug-in has heating and burning traces or not;
whether the power line has the phenomena of skin breaking, copper exposure and falling of a protective sleeve;
whether the fixing screws of the control box and the LECU baffle are loosened or not is judged;
whether the battery pack and the power line fixing screw are loosened or not;
whether the external protective sleeve of the power line fixing screw has firing traces or not;
whether the battery pack fan hot air fan operates abnormally or not;
checking the cooling liquid;
and whether the fixing screw of the battery bottom bracket is loosened or not.
5. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 4, wherein:
in step S1, the step of preparing for the smart rail vehicle before the overhaul work includes:
s1.1: according to the fact that the running mileage of the intelligent rail vehicle reaches 48 kilometers or the running time reaches 10 years, a vehicle comprehensive maintenance operation plan sheet is compiled in combination with the running condition of the vehicle;
s1.2: the overhaul teams and crew members look up the operation projects to be completed by the intelligent rail vehicle;
s1.3: each operator transacts the operation procedures, fills in the material tool application and receives the corresponding material and tool;
s1.4: the intelligent rail vehicle drives into a cleaning area to remove dust, oil stains and dirt on the outer surface of the vehicle caused by vehicle operation and maintenance;
s1.5: driving the intelligent rail vehicle into a blowing warehouse, and performing careful soot blowing work on a walking part and a vehicle roof of the intelligent rail vehicle, so that the cleaning work of the surfaces of parts after the walking part is disassembled in the following process is facilitated;
s1.6: preparing for maintenance of the maintenance road, and drawing the train into a comprehensive maintenance warehouse;
s1.7: and after the intelligent rail vehicle enters the comprehensive overhaul warehouse, preparing to carry out comprehensive overhaul operation on the intelligent rail vehicle.
6. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 4, wherein:
in step S2, the vehicle overhaul work step includes:
s2.1: the train is disassembled, and the disassembled train is transferred to the appointed part of the platform to be disassembled;
s2.2: the train stops at the designated position of the maintenance platform, after alignment and fixation, the train is synchronously lifted to separate the traveling wheels from the ground virtual track, and the operation platform moves towards two sides to be opened to expose the roof equipment;
s2.3: a fixed running part for inhibiting the sliding of the fixed running part in the operation process;
s2.4: the maintenance personnel walk to the corresponding position of the roof platform through the maintenance platform to carry out operation, the maintenance personnel disassemble the roof equipment, the overhead travelling crane lifts the equipment to the transfer trolley, the transfer trolley sends the equipment to the corresponding workshop to be maintained or replaced, the maintenance of the power receiving system and the maintenance of the energy storage system except the charging port of the charging gun are carried out at the moment, the assembly is carried out after normal debugging, and the assembled parts are stored to a qualified area to wait for final assembly;
s2.5: the electric circuit is overhauled or parts are replaced, the interface is ensured to be fastened without looseness, the wire protection hose is ensured not to have obvious cracks and deformation, and meanwhile, the charging port of the charging gun is overhauled;
s2.6: the maintenance personnel finish the disassembly between the central hanging system at the bottom of the walking part and the top of the vehicle body, so that the walking part is separated from the vehicle body; the vehicle body is translated to the outside of the vehicle roof operation platform and sent to a vehicle body maintenance room, and the walking part is pushed to the end part of the platform and lifted to the ground through a crown block;
s2.7: the operation personnel continuously disassemble the car door and window, the car coupler device, the through passage, the seat, the floor, the cab equipment, the electrical system, the electrical equipment and the auxiliary equipment on the car, the disassembled parts are placed on the transfer trolley, the transfer trolley moves to a part overhaul room to be cleaned, purged, disassembled, overhauled and replaced, the assembling is carried out after the normal debugging, and the assembled parts are stored to a qualified area to wait for final assembly;
s2.8: the method comprises the following steps of completely disassembling a walking part in a walking part overhaul warehouse, disassembling the walking part into an axle, a suspension, a braking system, tires, a transmission shaft and a steering system, cleaning, finely decomposing, cleaning, detecting, polishing, paint repairing, replacing parts, replacing rubber tires, carrying out walking part assembly after all tests are qualified, carrying out static load tests and dynamic load tests on the assembled walking part, and storing the walking part for final assembly after the tests are qualified;
s2.9: the traction motor is sent to a traction motor maintenance workshop for cleaning and purging to enable the motor to have a clean appearance, damaged connecting wires and parts are replaced, the traction motor is decomposed, a bearing is checked, lubricating grease is replaced, dust and blockage of a motor air duct are cleaned, a sensor, a resistor, the bearing and a stator are maintained, motor surface paint is checked and repaired, the motor is assembled and tested after all tests are qualified, and the motor is sent to a walking part maintenance warehouse for assembly after the tests are qualified;
s2.10: the vehicle body is sent into a vehicle body overhaul warehouse to inspect and correct the vehicle body structure, paving materials including a wall plate, a ceiling and a floor in the vehicle are replaced, a vehicle bottom guide wheel is inspected, then the vehicle body is sent into a paint spraying warehouse to spray paint externally to restore the whole appearance, and then the vehicle body is sent into a comprehensive overhaul warehouse to wait for final assembly;
s2.11: moving the qualified running gear to a comprehensive overhaul warehouse, and carrying out vehicle final assembly operation; hoisting the walking part, parts and equipment on the roof from the transfer trolley through a traveling crane on the operation platform, moving the walking part and the parts and equipment to the roof, and assembling the parts and the equipment on the specified part of the operation platform by an overhaul worker;
s2.12: after the vehicle body is assembled, all the disassembled cover plates are installed, after an operator checks that all the parts are connected correctly, the movable platform on the operation platform moves towards the center of the circuit, and the lifting device slowly falls down, so that the lifting device moves towards two sides after the wheels are contacted with the operation platform;
s2.13: the vehicle is organized into groups, and a coupler buffer and a workshop connection device between the vehicle bodies are connected.
7. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 6, wherein:
in step S2.4 and step S2.11, the safety rope is fixed at the waist of the service personnel during operation and is connected to the operation platform.
8. The comprehensive overhaul process flow method of the intelligent rail vehicle as claimed in claim 4, characterized in that:
in step S3, the static debugging step includes: and after the vehicle marshalling is finished, connecting the static debugging power supply cabinet to perform static debugging on the whole vehicle, and ensuring that all basic functions of the vehicle are normal after the vehicle is electrified.
9. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 4, wherein:
in step S3, the dynamic debugging step includes: and after the static debugging is finished, the train is dynamically debugged on line, so that all functions in the running process of the train are normal.
10. The comprehensive overhaul process flow method of the smart rail vehicle as claimed in claim 4, wherein:
in step S3, the rain test step includes: and (5) carrying out a rain test after the dynamic debugging is finished, and checking whether the vehicle assembly is qualified.
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