CN109127629B - Clear maintenance device of paint removal system and rail transit vehicle bogie - Google Patents
Clear maintenance device of paint removal system and rail transit vehicle bogie Download PDFInfo
- Publication number
- CN109127629B CN109127629B CN201811020646.0A CN201811020646A CN109127629B CN 109127629 B CN109127629 B CN 109127629B CN 201811020646 A CN201811020646 A CN 201811020646A CN 109127629 B CN109127629 B CN 109127629B
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- cleaning
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- gun head
- mechanical arm
- paint removing
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- 239000003973 paint Substances 0.000 title claims abstract description 115
- 238000012423 maintenance Methods 0.000 title description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 102
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000011010 flushing procedure Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Abstract
The embodiment of the invention provides a cleaning paint removing system and an overhauling device for a bogie of a rail transit vehicle. The cleaning paint removing system comprises a paint removing machine, a cleaning machine, a mechanical arm, a lifter and a seventh shaft of the mechanical arm. Wherein, the paint remover comprises a paint removing gun head. The cleaning machine comprises a cleaning gun head. The mechanical arm is used for bearing the paint removing gun head and cleaning the gun head. The elevator is used for moving the mechanical arm to a first preset position in the longitudinal direction. The seventh axis of the robot arm is coupled to the elevator and is configured to move the robot arm in a lateral direction to a second predetermined position. By adopting the technical scheme, the invention solves the technical problem of how to improve the efficiency of paint cleaning and stripping, has compact space layout in the process of cleaning and stripping, can ensure flexible cleaning and stripping actions, has high flexibility, is environment-friendly, and has no damage to a framework.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a cleaning paint removing system and an overhauling device for a bogie of a rail transit vehicle.
Background
When the rail transit vehicle is overhauled, the framework is required to be detached from the bogie for cleaning and paint removal so as to facilitate subsequent inspection and flaw detection operations.
Currently, the cleaning of the frame is done manually. Manually smearing a cleaning agent on the framework, scraping and brushing the oil sludge on the framework by using steel wire balls, a brush and the like to remove the oil sludge, and finally flushing and drying by using high-pressure water. The paint removal operation of the frame is performed in a bogie workshop. The parts to be paint removed are manually polished and paint removed by using a physical polishing method, for example, a hand-held electric tool (a kiloleaf abrasive disc) and the like. In the polishing process, the paint dust is larger, and in addition, the appearance of the framework is complex, and the gap of a welding line at the polished part is narrow; therefore, it is necessary to manually turn the frame.
Therefore, the conventional method of cleaning and paint removal of the frame has a drawback of low efficiency due to the manual work.
Disclosure of Invention
The embodiment of the invention aims to provide a cleaning paint removing system so as to solve the technical problem of how to improve the efficiency of cleaning paint. In addition, a maintenance device for the bogie of the rail transit vehicle is also provided.
In order to achieve the above object, according to a first aspect of the present invention, the following technical solutions are provided:
a wash paint stripping system comprising:
the paint remover comprises a paint removing gun head;
the cleaning machine comprises a cleaning gun head;
the mechanical arm is used for bearing the paint removing gun head and the cleaning gun head;
an elevator for moving the mechanical arm to a first predetermined position in a longitudinal direction;
and a seventh shaft of the mechanical arm, which is connected with the lifter and is used for transversely moving the mechanical arm to a second preset position.
Further, the apparatus further comprises:
and the ventilation dust removing equipment is used for treating dust in the cleaning process of the cleaning machine and the paint removing process of the paint removing machine.
Further, the apparatus further comprises:
and the drying equipment is connected with the lifter and is used for drying the cleaned framework.
Further, the apparatus further comprises:
and the moving device is connected with the lifter and is used for moving the cleaning gun head of the cleaning machine and the drying equipment.
Further, the apparatus further comprises:
the sewage treatment equipment is used for treating sewage generated by the cleaning machine in the cleaning process and the paint removing machine in the paint removing process.
Further, the apparatus further comprises:
the rail car is used for loading the framework;
the ground chain conveying equipment is used for conveying the rail car to the working space of the mechanical arm;
and the positioning mechanism is connected with the ground chain conveying equipment and is used for positioning the rail car in a working area.
Further, the positioning mechanism further comprises a limiting component;
and the limiting component is used for enabling the rail car to be separated from the ground chain conveying equipment and positioned at the cleaning and paint removing station when the rail car touches the limiting component.
Further, the cleaning machine is high-pressure water flushing equipment, and the cleaning gun head is a profiling high-pressure spray head.
In order to achieve the above object, according to a second aspect of the present invention, there is further provided the following technical solutions:
an inspection device for a rail transit vehicle bogie comprises a cleaning paint stripping system according to the first aspect of the invention.
The embodiment of the invention provides a cleaning paint removing system and an overhauling device for a bogie of a rail transit vehicle. The cleaning paint removing system comprises a paint removing machine, a cleaning machine, a mechanical arm, a lifter and a seventh shaft of the mechanical arm. Wherein, the paint remover comprises a paint removing gun head. The cleaning machine comprises a cleaning gun head. The mechanical arm is used for bearing the paint removing gun head and cleaning the gun head. The elevator is used for moving the mechanical arm to a first preset position in the longitudinal direction. The seventh axis of the robot arm is coupled to the elevator and is configured to move the robot arm in a lateral direction to a second predetermined position.
The invention adopts the elevator and the seventh shaft of the mechanical arm to determine the working space of the mechanical arm, and the mechanical arm is used for bearing the gun heads of the cleaning machine and the paint remover. Therefore, in the cleaning and paint removing process, the space layout is compact, the cleaning and paint removing actions are flexible, the flexibility is high, the cleaning and paint removing operation of the framework on the bogie of all domestic rail transit vehicles such as motor cars, locomotives and subways can be adapted, the cleaning and paint removing efficiency is improved, the environment is protected, and the framework is not damaged.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention given in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. The exemplary embodiments of the present invention and the descriptions thereof are for explaining the present invention and do not constitute an undue limitation of the present invention.
FIG. 1 is a schematic view of the overall arrangement of a wash paint stripping system according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a paint stripping system for stripping paint from the top and at least a portion of the sides of a frame, according to one embodiment of the invention;
FIG. 3 is a schematic diagram of a paint stripping system for stripping paint from the underside and at least a portion of the sides of a frame, according to one embodiment of the invention;
fig. 4 is a schematic view of a paint cleaning system for cleaning paint under a frame and a portion of a side surface according to another embodiment of the present invention.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. Any technical feature in the examples, any technical solution, and any technical solution in the embodiments are one or more of various optional technical features or optional technical solutions, and in order to simplify the description, all the optional technical features and the optional technical solutions of the present invention cannot be exhausted in this document, and it is inconvenient for an implementation of each technical feature to emphasize that it is one of various optional implementations, so those skilled in the art should know: any one of the technical means provided by the invention can be replaced or any two or more of the technical means or technical features provided by the invention can be mutually combined to obtain a new technical scheme. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
Furthermore, in the following description, specific details are provided in order to provide a thorough understanding of the embodiments. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The technical scheme provided by the invention is described in more detail below with reference to fig. 1 to 4.
Referring to fig. 1 to 4, the present invention provides a cleaning and paint removing system. The device mainly comprises: a paint stripper (not shown), a washer 11, a robot arm 3, an elevator 4 and a robot arm seventh shaft 5. Wherein, the paint remover comprises a paint removing gun head. The cleaning machine 11 includes a cleaning gun head. The mechanical arm 3 is used for bearing the paint removing gun head and the cleaning gun head. The lifter 4 is used to move the robot arm 3 to a first predetermined position in the longitudinal direction. The robot arm seventh shaft 5 is connected to the lifter 4 and serves to move the robot arm 3 to a second predetermined position in the lateral direction.
The cleaning machine 11 may be, for example, a high-pressure water flushing device. The cleaning gun head is preferably a profiling high-pressure spray head.
The arm seventh shaft 5 moves the arm 3 in a direction perpendicular to the lifting direction of the lifter 4 as a forward/backward movement mechanism of the arm 3.
The seventh axis (also called as a robot arm traveling axis or a robot arm track) 5 of the robot arm mainly includes: casting base, linear guide, rack, servo, speed reducer, from oiling system, dustproof system, travel switch, buffer and tow chain. The linear guide is preferably a heavy-duty linear guide. The rack is preferably a high-precision large-modulus grinding high-precision rack. The speed reducer may be, for example, a planetary speed reducer. The self-priming system may, for example, employ a self-priming system that provides lubrication on a sustainable basis. The drag chain may, for example, employ a highly flexible silent drag chain.
The mechanical arm 3, the cleaning gun head and the paint removing gun head are all replaceable. Thereby, the corresponding mechanical arm 3, cleaning gun head and paint removal gun head can be selected for the frame 12 to be paint removed, whereby a plurality of paint removal modes can be realized.
In the above embodiment, the sensor may be used to detect the height, width and lateral displacement of the frame, and perform coordinate space compensation on the moving space of the mechanical arm 3 according to the detection result, so as to achieve intellectualization in the cleaning and paint removal process.
In the present embodiment, the working space of the robot arm 3 is determined by using the lifter 4 and the robot arm seventh shaft 5, and the gun heads of the cleaner and the paint stripper are carried by the robot arm 3. Therefore, in the cleaning and paint removing process, the space layout is compact, the cleaning and paint removing actions are flexible, the flexibility is high, the cleaning and paint removing operation of the framework 12 on the bogie of all rail transit vehicles such as motor cars, locomotives and subways in China can be adapted, the cleaning and paint removing efficiency is improved, the environment is protected, and the framework is not damaged.
In a preferred embodiment, the above-described wash paint stripping system further comprises a ventilation and dust removal device 1. The ventilation and dust removal device 1 is used for treating dust in the process of cleaning by the cleaning machine 11 and in the process of paint removal by the paint remover.
The embodiment can make the cleaning and paint removal work environment friendly by adopting the ventilation and dust removal equipment, and cannot cause dust pollution.
In a preferred embodiment, the above-described wash paint stripping system further comprises a drying device 7. The drying device 7 is connected to the elevator 4 and is used for drying the cleaned frame 12.
In the present embodiment, the surface of the frame 12 is subjected to a drying process by the drying apparatus 7.
In a preferred embodiment, the above-described wash paint stripping system further comprises a moving device 6. The moving means 6 is connected to the lifter 4 and serves to move the cleaning gun head of the cleaning machine 11 and the drying apparatus 7.
Wherein the moving device 6 is connected with the lifter 4 and is used for moving the cleaning gun head in the working space when the cleaning machine 11 performs cleaning operation; and for moving the drying apparatus 7 when drying the frame 12.
In a preferred embodiment, the above-described wash paint stripping system further comprises a sewage treatment device 13. The sewage treatment apparatus 13 is used for treating sewage generated by the cleaning machine 11 during the cleaning process and the paint removal machine during the paint removal process.
In the above embodiment, by employing the sewage treatment apparatus 13, water pollution during cleaning and paint removal can be avoided.
In a preferred embodiment, the above-described wash paint stripping system further comprises a rail car 10, a ground chain conveyor 8 and a positioning mechanism 9. Wherein a rail car 10 is used to load a frame 12. The ground chain conveying device 8 is used for conveying the rail car 10 to the working space of the mechanical arm 3. A positioning mechanism 9 is connected to the chain conveyor 8 and is used to position the rail car in the working area.
In this embodiment, the frame 12 may be hoisted to the railcar 10 by a crane. The ground chain conveying device 8 is used for conveying the rail car 10 into the cleaning and paint removing chamber body 2. After the rail car 10 is conveyed into the cleaning paint removing room body, the positioning mechanism 9 can be started, and the rail car 10 is separated from the ground chain conveying equipment 8; the rail car 10 is then positioned in the working area by means of the positioning mechanism 9. After the cleaning and paint removal operation is completed, the positioning mechanism 9 stops positioning the railcar 10. The rail car 10 then closes the ground chain conveying apparatus 8. The ground chain conveying device 8 conveys the rail car 10 out of the cleaning and paint removing chamber body 2.
It is further preferred that the above-mentioned positioning mechanism 9 comprises a limiting member (not shown). The limiting component is used for enabling the rail car 10 to be separated from the ground chain conveying equipment 8 and positioned at the cleaning and paint removing station when the rail car 10 touches the limiting component.
In this embodiment, the spacing member performs precise positioning of the railcar 10.
The present invention will be described in detail with reference to fig. 1 to 4.
The cleaning paint stripping system provided in this embodiment includes: the cleaning and ventilating device comprises a dust-removing and ventilating device 1, a cleaning and paint-removing chamber body 2, a mechanical arm 3, a lifter 4, a mechanical arm seventh shaft 5, a moving device 6, a drying device 7, a ground chain conveying device 8, a positioning mechanism 9, a rail car 10, a cleaning machine 11, a framework 12, a sewage treatment device 13, an integrated power device (such as a motor and the like) 14 and an electric control system 15. The integrated power unit 14 is used for providing power for the mechanical arm 3, the lifter 4, the mechanical arm seventh shaft 5, the moving device and the like. The electrical control system 15 mainly comprises a power supply circuit, a protection circuit, a signal circuit, an automatic and manual circuit, a braking circuit and a self-locking and locking circuit. The electrical control system 15 is used for working in cooperation with the dust removal ventilation equipment 1, the cleaning and paint removal chamber body 2, the mechanical arm 3, the lifter 4, the mechanical arm seventh shaft 5, the moving device 6, the drying equipment 7, the ground chain conveying equipment 8, the positioning mechanism 9, the rail car 10, the cleaning machine 11, the framework 12, the sewage treatment equipment 13 and the integrated power device 14.
The frame 12 of the rail transit vehicle is detached from the bogie and is suspended to the rail vehicle 10 by means of a crane. And determining the model type of the clear paint framework through a human-home interaction interface. After the model class of the frame 12 is determined, the positioning mechanism 9 is activated.
The ground chain conveyor system 8 transports the frame-loaded railcar 10 into the wash stripping chamber body 2. When the rail car 10 touches the limiting part of the positioning mechanism 9, the rail car 10 is disconnected from the ground chain conveying equipment 8, and the rail car 10 is positioned at a cleaning and paint removing station; then, the ventilation and dust-removal system 1 is turned on. The mechanical arm 3 lifts the mechanical arm 3 to a predetermined height with the aid of the lifter 4, and the mechanical arm 3 carries a cleaning machine 11 and a gun head of a paint remover to clean or paint-remove the upper surface and the side surface of the frame 12. After completion, the lifter 4 lowers the arm 3 to a predetermined position, and the arm 3 carries the cleaner 11 and the gun head of the paint remover to start paint removal operation on the lower surface and part of the side surface of the frame 12.
Wherein, after paint removal is performed on the frame 12, the mechanical arm 3 can be adjusted to a static state; then, the cleaning machine 11, the drying apparatus 7 and the moving device 6 are moved back and forth to complete the washing and drying operation of the frame surface. After completion, the limiting component of the positioning mechanism 9 is retracted, so that the rail car 10 closes the ground chain conveying equipment 8; the ground chain conveyor system 8 then conveys the rail car 10 carrying the frame 12 outside the paint stripping chamber body 2. And calling the sewage treatment equipment 13 to recycle the sewage in the cleaning and paint removing process. Finally, the whole cleaning and paint removing work is completed.
In summary, the present invention determines the working space of the robot arm 3 by using the lifter 4 and the robot arm seventh shaft 5, and carries the gun heads of the cleaner 11 and the paint stripper by the robot arm 3. Therefore, in the cleaning and paint removing process, the space layout is compact, the cleaning and paint removing actions are flexible, the flexibility is high, the cleaning and paint removing device can be suitable for cleaning and paint removing operations of frameworks on rail transit vehicle bogies such as all domestic motor cars, locomotives and subways, the cleaning and paint removing efficiency is improved, the cleaning and paint removing device is environment-friendly, the frameworks are not damaged, dust pollution is not caused, and water pollution is not caused. The cleaning and paint removing system provided by the invention can be applied to the technical field of rail transit vehicle maintenance, and particularly can be used as an automatic device for a cleaning and paint removing process of a bogie frame.
The various devices, mechanisms, or structural components in the various embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in hardware plus software functional units.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape are meant to include a state or shape that is similar, analogous or approaching thereto, unless otherwise stated. Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
It should be noted that, for the sake of brevity, embodiments are described herein by way of related ways. In the above embodiments, the same contents are omitted, and the contents that distinguish between the embodiments are described in detail. Those skilled in the art will appreciate that the various embodiments described above may be referred to each other.
The features and advantages described in the specification are not all inclusive and, in particular, many additional features and advantages will be apparent to one of ordinary skill in the art in view of the drawings, specification, and claims. It should also be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter.
The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.
Claims (7)
1. A wash paint stripping system, comprising:
the paint remover comprises a paint removing gun head;
a cleaning machine (11) comprising a cleaning gun head;
the mechanical arm (3) is used for bearing the paint removing gun head and the cleaning gun head;
an elevator (4) for moving the mechanical arm (3) to a first predetermined position in a longitudinal direction;
a robot arm seventh shaft (5) connected to the lifter (4) and for moving the robot arm (3) to a second predetermined position in a lateral direction;
a rail car (10) for loading a frame (12);
the ground chain conveying equipment (8) is used for conveying the rail car (10) to the working space of the mechanical arm (3);
the positioning mechanism (9) is connected with the ground chain conveying equipment (8) and further comprises a limiting component; the limiting component is used for detecting the height, the width and the transverse displacement of the framework (12) and carrying out coordinate space compensation on the moving space of the mechanical arm (3) when the rail car (10) touches the limiting component, so that the rail car (10) is separated from the ground chain conveying equipment (8) and is positioned at a cleaning and paint removing station; the positioning mechanism (9) is used for positioning the rail car (10) in a working area;
the mechanical arm (3), the cleaning gun head and the paint removing gun head are all replaceable, and corresponding mechanical arm (3), cleaning gun head and paint removing gun head are selected aiming at a framework (12) to be cleaned of paint.
2. The wash paint stripper system of claim 1, further comprising:
the ventilation and dust removal equipment (1) is used for treating dust in the cleaning process of the cleaning machine (11) and the paint removal process of the paint remover.
3. The wash paint stripper system of claim 1, further comprising:
and the drying equipment (7) is connected with the lifter (4) and is used for drying the cleaned framework (12).
4. The wash paint stripper system of claim 3, further comprising:
and the moving device (6) is connected with the lifter (4) and is used for moving the cleaning gun head of the cleaning machine (11) and the drying equipment (7).
5. The wash paint stripper system of claim 1, further comprising:
and the sewage treatment equipment (13) is used for treating sewage generated by the cleaning machine (11) in the cleaning process and the paint removing machine in the paint removing process.
6. The wash paint stripper system of claim 1 wherein the washer is a high pressure water flushing device and the wash gun head is a contoured high pressure spray head.
7. A service device for a rail transit vehicle bogie, comprising a cleaning paint stripping system according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020646.0A CN109127629B (en) | 2018-09-03 | 2018-09-03 | Clear maintenance device of paint removal system and rail transit vehicle bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811020646.0A CN109127629B (en) | 2018-09-03 | 2018-09-03 | Clear maintenance device of paint removal system and rail transit vehicle bogie |
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| Publication Number | Publication Date |
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| CN109127629A CN109127629A (en) | 2019-01-04 |
| CN109127629B true CN109127629B (en) | 2024-03-12 |
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| CN201811020646.0A Active CN109127629B (en) | 2018-09-03 | 2018-09-03 | Clear maintenance device of paint removal system and rail transit vehicle bogie |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109731835A (en) * | 2019-01-17 | 2019-05-10 | 中铁第四勘察设计院集团有限公司 | It is a kind of to take turns to cleaning depainting integration apparatus and technique |
| CN111515183A (en) * | 2020-05-21 | 2020-08-11 | 中铁第四勘察设计院集团有限公司 | Cleaning and paint removing integrated equipment and method for bogie frame of motor train unit |
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