CN109131435B - Method for overhauling urban vehicle body - Google Patents
Method for overhauling urban vehicle body Download PDFInfo
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- CN109131435B CN109131435B CN201811076533.2A CN201811076533A CN109131435B CN 109131435 B CN109131435 B CN 109131435B CN 201811076533 A CN201811076533 A CN 201811076533A CN 109131435 B CN109131435 B CN 109131435B
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000012423 maintenance Methods 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000008439 repair process Effects 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 238000004378 air conditioning Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000010257 thawing Methods 0.000 claims description 5
- 239000005357 flat glass Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a method for overhauling a train body of a railway vehicle in a city area, which is characterized by comprising the following steps of: s1: pre-checking a train to be repaired; s2: decomposing and cleaning the train in the S1; s3: further performing body part disassembly on the train having completed S2; s4: the main parts of the car body disassembled in the step S3 are sent to corresponding professional departments for maintenance; s5: and (4) reinstalling each part qualified by detection on the corresponding urban vehicle body to finish the vehicle body overhaul. The method comprises the steps of disassembling the vehicle body parts, and installing the vehicle body parts after detection is finished, wherein main parts in the vehicle body, including the through passage, the built-in facilities, the vehicle door system, the cab and the air conditioner and ventilation system, are disassembled and then sent to corresponding professional maintenance departments for maintenance.
Description
Technical Field
The invention belongs to the technical field of urban vehicle maintenance, and particularly relates to a method for maintaining an urban vehicle body.
Background
Urban railways, also called urban rail transit, are urban public rail transit systems based on railway technical equipment, which operate exclusively between adjacent cities and urban areas, and are fast mass transit public transit modes connecting urban areas with suburbs and satellite towns or urban circles around cities in a range of tens of kilometers or even more. Generally, a certain region is taken as a main point, and the service region location of the urban railway reflects the urban comprehensive rail transit system of 'inter-rail and inter-city railway communication' in the urban region. The urban railway operation speed per hour is generally 120-200 km/h, the station spacing is small, the line generally directly enters an urban area, the urban railway operation speed per hour is a novel rail transit transportation mode between urban rail transit (subway and light rail) and an intercity high-speed railway, the existing rail transit forms of the subway, the light rail and the like are limited by the operation speed, the target expectation of resident travel in urban construction cannot be achieved, compared with the urban rail transit, the urban railway operation speed per hour line has the characteristics of large average station spacing, large passenger capacity, high speed target value, high traveling speed, moderate traveling density and the like, the interconnection and intercommunication with a national railway trunk line can be realized, and the urban external radiation capability is enhanced.
The main structure of the urban railway vehicle comprises: the vehicle body is one of main component bodies of the vehicle, and the vehicle body is a passenger riding carrier and a foundation for installing and connecting other component parts (such as a running gear, a braking device, a vehicle end connecting device, vehicle interior decoration equipment and the like).
The repair process of the motor train unit in China is based on the introduction of the vehicle type, on the premise of ensuring the operation safety, the advanced and mature repair concept and the repair method in China are digested and absorbed, the China national conditions and the road conditions are combined, the uniform and standard CRH series vehicle repair process is constructed, and a high-efficiency repair system combining the planned repair, the state repair and the balanced repair is implemented. The overhaul and repair process of the motor train unit is divided into a first level, a second level, a third level, a fourth level and a fifth level. The disassembly and maintenance of the bogie are used as a boundary between the operation maintenance and the regular maintenance. As the first-level repair and the second-level repair are mainly routine inspection, replacement, adjustment and replenishment of consumable parts; the third-level repair is mainly used for overhauling parts such as a bogie, therefore, in the aspect of urban vehicle body overhauling, the fourth-level repair and the fifth-level repair need to be changed, and a proper overhauling method is made to adapt to the urban vehicle body overhauling range and the change of a specific process.
Disclosure of Invention
The invention provides a method for overhauling a vehicle body of a municipal vehicle, aiming at the defects or the improvement requirements of the prior art, the method is adopted for disassembling the vehicle body part firstly and then installing the vehicle body part after the detection is finished, main parts in the vehicle body, including a through passage, an internal installation facility, a vehicle door system, a cab and an air conditioner and ventilation system, are disassembled and then sent to a corresponding professional overhauling department for overhauling at the same time, after the overhauling of each part is finished, each part is reinstalled, and each part after the detection is qualified is reinstalled on the corresponding municipal vehicle body. The vehicle body overhauling method provided by the invention comprehensively detects each part in the vehicle body, thereby not only improving the overhauling efficiency, but also ensuring the overhauling quality and accuracy.
In order to realize the aim, the method for overhauling the train body of the urban railway vehicle comprises the following steps:
s1: pre-checking a train to be repaired;
s2: decomposing and cleaning the train;
s3: further carrying out body part disassembly on the train;
s4: the method comprises the following steps of sending the main parts of the disassembled vehicle body to corresponding professional departments for maintenance, and specifically comprises the following steps:
s41: overhauling the disassembled internal parts of the through passage;
s42: sending each part of the disassembled built-in facility to a corresponding equipment maintenance department;
s43: overhauling each part in the disassembled vehicle door system;
s44: overhauling each component in the driver's cab after disassembly;
s45: completing the overhaul of the disassembled air conditioner and ventilation system;
s5: and re-installing each part of the vehicle body, and re-installing each part after being detected to be qualified on the corresponding urban vehicle body to finish the vehicle body overhaul.
Further, in step S41, the repairing of the through passage includes the steps of:
s411: firstly, checking the bellows connected with each vehicle body in the through passage in the step S41, and replacing the bellows if the bellows is unqualified;
s412: and further checking and replacing the wear strip of the transition plate in the through passage.
Further, in step S42, the in-plant service includes the steps of:
s421: checking passenger room seats which are arranged in a longitudinal and transverse mode on two sides in the vehicle body, and if unqualified seats exist, replacing the unqualified seats;
s422: checking whether the states of the armrests on the two sides of the vehicle body are firm;
s423: and finally, inspecting the floor at the bottom of the vehicle body, the surrounding wall plates and the roof plate at the top of the vehicle body.
Further, in step S43, the vehicle door system inspection includes the following steps:
s431: overhauling the disassembled passenger room door, namely replacing a sealing rubber strip around the passenger room door, replacing a roller of a balance wheel assembly, replacing a roller swing arm assembly, replacing an emergency unlocking switch and disassembling and overhauling a passenger room side door;
s432: further, in the process of overhauling the side door of the cab, the door sealing rubber strip needs to be replaced as in S431, whether the door lock of the cab is in a normal state needs to be checked, then the window glass rubber strip is replaced, and the side door of the cab is disassembled and repaired;
s433: carrying out emergency evacuation door maintenance, including replacing a sealing rubber strip of the emergency evacuation door, replacing an air spring of the emergency evacuation door and replacing a safety belt of the emergency evacuation door;
s434: and finally, passenger room end door overhaul such as replacing a vehicle door sealing rubber strip, replacing an infrared sensor in an end door, and replacing a gear rack is completed.
Further, in step S44, the cab maintenance includes the following steps:
s441: the ventilation unit of the cab is replaced, so that the normal circulation of air in the cab is ensured;
s442: continuously checking whether equipment and wiring in the cab integrated cabinet are normal and safe;
s443: cleaning the power distribution cabinet and the control console, so that the cab is clean and tidy;
s444: and cleaning the front windshield of the cab.
Furthermore, in S444, the maintenance of the cab requires that the front windshield of the cab not be fogged or damaged, the heating and defrosting functions of the windshield at the driving side are normal, and if the heating and defrosting functions are not normal, the windshield needs to be replaced.
Further, in step S45, the overhaul of the air conditioner and the ventilation equipment includes the following steps:
s451: after the inspection and repair of the air conditioning unit and the control cabinet are finished, the method comprises the steps of replacing a fresh air filter screen, inspecting and testing an air conditioning control system, replacing an air outlet-air return port sealing rubber pad, and replacing a control cabinet breaker, a contactor and a relay;
s452: further needs to be maintained in the exhaust device on the roof, including exhaust fan bearing replacement and exhaust valve actuator replacement.
Further, in step S3, the train is disassembled and cleaned after the preliminary inspection is completed, the train body is disassembled step by step, the bogie falls down, the train is replaced with a stand car, and cleaning and painting are performed.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) the invention relates to a method for overhauling a city domain vehicle body, which comprises the steps of disassembling a vehicle body part, detecting and installing the vehicle body part, disassembling main parts in the vehicle body, including a through passage, an internal installation facility, a vehicle door system, a cab and an air conditioner and ventilation system, and then sending the main parts to a corresponding professional overhauling department for overhauling, reinstalling each part after overhauling each part, and reinstalling each part after being qualified to the corresponding city domain vehicle body. The vehicle body overhauling method provided by the invention comprehensively detects each part in the vehicle body, thereby not only improving the overhauling efficiency, but also ensuring the overhauling quality and accuracy.
(2) The invention relates to a method for overhauling a train body of a city domain vehicle, which is mainly improved in four-level and five-level overhauling in the existing overhauling work of an intercity motor train unit, and comprises the following steps of: the pressure protection system is cancelled, the exhaust duct in the floor, the air conditioner in the cab, the washroom, the luggage rack and the like are cancelled. An appropriate maintenance method is made to adapt to the maintenance range of the vehicle body of the vehicle in the city area and the change of the specific process.
(3) The method for overhauling the urban vehicle body comprises the steps of train pre-inspection, train decomposition and cleaning, equipment disassembly and overhauling, overhauling of main parts of the vehicle body and final part installation, so that the overall overhauling result is more rigorous and reliable, and the aim of overhauling the urban vehicle body is fulfilled.
Drawings
FIG. 1 is a general flow chart of vehicle body overhaul related to a method for overhauling a vehicle body of a city area vehicle according to an embodiment of the invention;
fig. 2 is a flow chart of main vehicle body component overhaul related to the method for overhauling the vehicle body of the urban vehicle in the 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.
Fig. 1 is a general flow chart of vehicle body overhaul related to an overhaul method of a vehicle body in a city area according to an embodiment of the present invention, and as shown in fig. 1, the overhaul method of the vehicle body in the city area includes: the method comprises the following steps of train pre-inspection, train disassembly and cleaning, equipment disassembly and maintenance, maintenance of main parts of a train body and final part installation. Firstly, performing train pre-inspection, decomposing and cleaning the train after the pre-inspection is finished, decomposing a train body step by step to enable a bogie to fall down, changing a stand vehicle, cleaning and spraying paint; after the disassembly of the vehicle body parts is finished, all parts in the vehicle body roof equipment, the vehicle lower equipment, the vehicle inner equipment and the vehicle end connecting device need to be disassembled from the vehicle body and sent to corresponding professional departments for maintenance; and then, carrying out maintenance work on main parts of the vehicle body, wherein the main parts of the vehicle body comprise a through passage, a vehicle window, an interior facility, a vehicle door system, an air conditioner, a ventilation system, a cab and the like, reinstalling each part after the maintenance of each part is finished, and reinstalling each part after the detection is qualified onto a corresponding urban vehicle body. The main components in the vehicle body including a through passage, an interior facility, a vehicle door system, a cab and an air conditioner and ventilation system are disassembled and then sent to corresponding professional maintenance departments for maintenance by adopting a method of disassembling the vehicle body components, detecting and then installing the vehicle body components, after the maintenance of the components is completed, the components are re-installed, and the components which are qualified in detection are re-installed on the corresponding urban vehicle body. The method for overhauling the urban vehicle body mainly improves four-level and five-level overhauling in the existing overhauling work of the urban motor train unit, and makes adaptive change due to the increase and decrease of the structure of the urban vehicle body part.
Fig. 2 is a flow chart of main vehicle body component overhaul related to the method for overhauling the vehicle body of the urban vehicle in the embodiment of the invention. As shown in fig. 2, the overhaul of main parts of the vehicle body comprises the overhaul of a door through passage, an interior facility, a door system, a cab and an air conditioner and ventilation system, wherein the bellows connecting each vehicle body in the through passage is firstly inspected, if the inspection is unqualified, the bellows needs to be replaced, and then the roof wearing strip and the cab wearing strip of the through passage are inspected and replaced. The back is accomplished and is overhauld the built-in facility of vehicle automobile body, the guest room seat to the inside both sides of automobile body range of moving about freely and quickly is examined, if need change if unqualified seat, it is firm to inspect the handrail state of automobile body both sides simultaneously, inspect the floor of bottom of the car body and the roof at around wallboard and automobile body top at last, go over to the maintenance of carrying out the door system after all overhauing of above facility, the door system includes the guest room door, the driver's cabin side door, urgent sparse door and guest room end door. At first, overhaul the passenger room door, including changing joint strip around the passenger room door, change the gyro wheel of balance wheel subassembly, change the gyro wheel swing arm subassembly, change urgent unblock switch and passenger room side door and disassemble and repair, the maintenance work to the driver room side door is accomplished next to the passenger room door after the repair is accomplished, the door joint strip that need change with the passenger room door is the same, and whether normal condition is handled to the need inspection driver's cabin door lock, further change window glass adhesive tape again and disassemble and repair the driver room side door. In order to ensure that the emergency evacuation door can play a normal role, the emergency evacuation door is overhauled after the overhaul of the cab door is finished, and the overhaul comprises the replacement of a sealing rubber strip of the emergency evacuation door, the replacement of an air spring of the emergency evacuation door and the replacement of a safety belt of the emergency evacuation door. And finally, the passenger room end door needs to be overhauled, including replacing the sealing rubber strip of the vehicle door, replacing the infrared sensor, the gear rack and other related components in the end door. Accomplish the maintenance back of the whole door system of vehicle automobile body, further accomplish the maintenance work of cab, change cab ventilation unit, ensure the normal circulation of cab interior air, whether equipment and wiring are normal and safe in the inspection cab synthesis cabinet after that, again to the switch board, the control cabinet is done cleanly, make the cab clean and tidy, avoid causing the unnecessary influence to the operation, the most important is to the cleaning work of cab front windshield, avoid causing the interference to driver's sight, still need ask cab front windshield not to be hazed, the not damaged, it is normal to drive side windshield heating defrosting function, if abnormal then need change. After the cab is overhauled, the air conditioning unit and the control cabinet are overhauled finally, the air conditioning unit and the control cabinet are inspected and repaired firstly, the air conditioning unit and the control cabinet are replaced by a fresh air filter screen, an air conditioning control system is inspected and tested, an air outlet-air return port sealing rubber mat is replaced, a control cabinet breaker, a contactor, a relay and the like are replaced to ensure that the air conditioner is normally used and operated when a vehicle runs, and further, a waste exhaust device is required to be replaced by a waste exhaust fan bearing replacement and a waste exhaust valve actuator replacement, so that the train can ventilate normally, and the comfort level of the train is ensured. And after the maintenance of each part is finished, the part is installed, and all the parts qualified in detection are installed on the corresponding urban vehicle body again.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A method for overhauling a train body of a railway train in a city area is characterized by comprising the following steps:
s1: pre-checking a train to be repaired;
s2: decomposing and cleaning the train;
s3: further carrying out body part disassembly on the train;
s4: the method comprises the following steps of sending the main parts of the disassembled vehicle body to corresponding professional departments for maintenance, and specifically comprises the following steps:
s41: overhauling the disassembled internal parts of the through passage;
s42: sending each part of the disassembled built-in facility to a corresponding equipment maintenance department;
s43: overhauling each part in the disassembled vehicle door system;
in step S43, the inspection of the door system includes the steps of:
s431: overhauling the disassembled passenger room door, namely replacing a sealing rubber strip around the passenger room door, replacing a roller of a balance wheel assembly, replacing a roller swing arm assembly, replacing an emergency unlocking switch and disassembling and overhauling a passenger room side door;
s432: further overhauling the side door of the cab, namely replacing a vehicle door sealing rubber strip as in S431, checking whether a cab door lock is in a normal state, replacing a window glass rubber strip, and disassembling and overhauling the side door of the cab;
s433: carrying out emergency evacuation door maintenance, including replacing a sealing rubber strip of the emergency evacuation door, replacing an air spring of the emergency evacuation door and replacing a safety belt of the emergency evacuation door;
s434: finally, passenger room end door maintenance is completed, including replacing the sealing rubber strip of the vehicle door, replacing the infrared sensor in the end door and replacing the gear rack;
s44: overhauling each component in the driver's cab after disassembly;
s45: completing the overhaul of the disassembled air conditioner and ventilation system;
s5: reinstalling each part of the vehicle body, reinstalling each part which is qualified after detection on the corresponding urban vehicle body, and completing vehicle body overhaul;
in step S41, the maintenance of the through passage includes the steps of:
s411: firstly, checking the bellows connected with each vehicle body in the through passage in the step S41, and replacing the bellows if the bellows is unqualified;
s412: and further checking and replacing the wear strip of the transition plate in the through passage.
2. The method for repairing a vehicle body of a commercial railway vehicle as claimed in claim 1, wherein the step of repairing the interior installation of step S42 comprises the steps of:
s421: checking passenger room seats which are arranged in a longitudinal and transverse mode on two sides in the vehicle body, and if unqualified seats exist, replacing the unqualified seats;
s422: checking whether the states of the armrests on the two sides of the vehicle body are firm;
s423: and finally, inspecting the floor at the bottom of the vehicle body, the surrounding wall plates and the roof plate at the top of the vehicle body.
3. The method for overhauling the car body of the urban railway vehicle as claimed in claim 1, wherein in the step S44, the overhauling of the cab comprises the following steps:
s441: the ventilation unit of the cab is replaced, so that the normal circulation of air in the cab is ensured;
s442: continuously checking whether equipment and wiring in the cab integrated cabinet are normal and safe;
s443: cleaning the power distribution cabinet and the control console, so that the cab is clean and tidy;
s444: and cleaning the front windshield of the cab.
4. The method as claimed in claim 3, wherein in step S44, the cab front windshield is required to be not fogged or damaged, the heating and defrosting functions of the driving side windshield are normal, and the cab front windshield is required to be replaced if the heating and defrosting functions are not normal.
5. The method for repairing a commercial railway vehicle body as claimed in claim 1, wherein the step of repairing the air-conditioning and ventilating system in step S45 comprises the steps of:
s451: the inspection and repair of the air conditioning unit and the control cabinet are completed, including the replacement of a fresh air filter screen, the inspection and test of an air conditioning control system, the replacement of an air outlet-air return port sealing rubber gasket, and the replacement of a control cabinet circuit breaker, a contactor and a relay;
s452: further needs to be maintained in the exhaust device on the roof, including exhaust fan bearing replacement and exhaust valve actuator replacement.
6. The method of repairing a commercial railway vehicle body according to claim 1, wherein the disassembly and cleaning of the train are performed after the preliminary inspection is completed, the train body is disassembled step by step to drop the bogie, the bogie is replaced with a stand car, and the train body is cleaned and painted in step S2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811076533.2A CN109131435B (en) | 2018-09-14 | 2018-09-14 | Method for overhauling urban vehicle body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076533.2A CN109131435B (en) | 2018-09-14 | 2018-09-14 | Method for overhauling urban vehicle body |
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| CN109131435A CN109131435A (en) | 2019-01-04 |
| CN109131435B true CN109131435B (en) | 2020-08-25 |
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| CN112172865A (en) * | 2020-09-03 | 2021-01-05 | 中铁第四勘察设计院集团有限公司 | Wheel replacement repair process flow method for suspension type monorail train |
| CN112172864B (en) * | 2020-09-03 | 2023-01-17 | 中铁第四勘察设计院集团有限公司 | Train inspection process flow method for suspension type monorail train |
| CN114228667B (en) * | 2022-01-19 | 2023-06-20 | 中铁第四勘察设计院集团有限公司 | Annual inspection process method suitable for intelligent rail train |
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| JP2004058897A (en) * | 2002-07-30 | 2004-02-26 | East Japan Railway Co | Inspection method of rolling stock |
| CN203381634U (en) * | 2013-07-17 | 2014-01-08 | 青岛四方车辆研究所有限公司 | Repair line for air conditioners and air interchangers of motor train unit |
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