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CN-121972462-A - Frame treatment process and frame treatment production line

CN121972462ACN 121972462 ACN121972462 ACN 121972462ACN-121972462-A

Abstract

The invention belongs to the technical field of bogie overhaul, and discloses a framework treatment process and a framework treatment production line. The invention provides a frame treatment process, which mainly comprises an attitude adjustment step, a cleaning step, a paint removal step, a flaw detection step, a paint spraying step and an installation step, wherein the cleaning step is used for effectively improving the surface cleanliness and the cleaning quality of a frame in the treatment process, improving the accuracy of subsequent paint removal and flaw detection operations and reducing the pollution degree of the frame treatment process to the surrounding environment. The paint removal step is completed by a laser paint removal process, so that the paint removal effect of the framework is improved, the consumption of paint remover is effectively reduced, and the pollution of the framework paint removal operation to the surrounding environment is reduced. The invention also provides a frame treatment production line which comprises a turnover device, a cleaning device, a sewage treatment device, a laser paint removal device and an exhaust gas treatment device, so that the efficient cleaning, paint removal, paint spraying and other operations of the frame are realized, and the treatment quality and the treatment efficiency of the frame are improved.

Inventors

  • LI SHA
  • ZHAO QIANSHENG

Assignees

  • 北京铁道工程机电技术研究所股份有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The frame treatment process is characterized by comprising the following steps of: s1, carrying out posture adjustment on a framework; S2, transporting the framework with the adjusted posture to a cleaning station (100), cleaning and drying the framework, and recycling and treating sewage generated in the cleaning process; s3, conveying the framework to a laser paint removal station (200), carrying out laser paint removal on the framework, removing a paint layer on the surface of the framework, and collecting and treating waste gas generated in the laser paint removal process; S4, transporting the framework subjected to laser paint removal to a flaw detection station (300), and carrying out nondestructive flaw detection on the framework; s5, transporting the frame subjected to nondestructive inspection to a paint spraying station (400), carrying out paint spraying repair on the frame, and recycling waste gas generated in the paint spraying repair process; and S6, installing the framework to a preset position of the bogie structure.
  2. 2. The frame treatment process according to claim 1, wherein the step S2 includes S21 that the frame with the adjusted posture is lifted to a frame AGV (2) by a lifting device, S22 that the frame AGV (2) conveys the frame to the cleaning station (100) and exits the cleaning station (100) after the frame is placed, S23 that the frame at the cleaning station (100) is cleaned and dried, and sewage generated by the frame in the cleaning process is recovered and treated.
  3. 3. The frame processing process according to claim 2, wherein the frame AGV (2) in the step S21 is provided with a first positioning unit (24), the first positioning unit (24) includes a first positioning identification member (241) and a first posture adjustment auxiliary member (242) that are disposed at intervals, the cleaning station (100) in the step S2, the laser paint removal station (200) in the step S3, and the paint spraying station (400) in the step S5 are each provided with a positioning identification member (7), and the first positioning identification member (241) is capable of identifying the positioning identification member (7) to guide the frame to be located at the cleaning station (100), the laser paint removal station (200), and the paint spraying station (400), respectively, and the first posture adjustment auxiliary member (242) is used for collecting environmental data during traveling of the frame (2) to assist in adjusting the traveling posture of the frame AGV (2).
  4. 4. The frame processing process according to claim 2, wherein the frame AGV (2) in step S21 includes an AGV body (21), a support frame (22) and a limiting assembly (23), the support frame (22) is connected to the AGV body (21) and is used for supporting the frame, the limiting assembly (23) is adjustably disposed on the support frame (22), and the limiting assembly (23) is used for limiting the position of the frame compared to the position of the support frame (22).
  5. 5. The frame processing process according to claim 4, wherein the limiting assembly (23) includes at least two first limiting units (231) and at least two second limiting units (232), at least two first limiting units (231) are disposed at intervals along the length direction of the support frame (22), at least two second limiting units (232) are disposed at intervals along the width direction of the support frame (22), the support frame (22) is disposed at intervals along the length direction thereof with a plurality of first mounting holes, and is disposed at intervals along the width direction thereof with a plurality of second mounting holes, each first limiting unit (231) is capable of being mounted in any of the first mounting holes so as to limit the position of the frame along the length direction of the support frame (22) compared with the position of the support frame (22), and each second limiting unit (232) is capable of being mounted in any of the second mounting holes so as to limit the position of the frame along the width direction of the support frame (22) compared with the position of the support frame (22).
  6. 6. Frame treatment production line, characterized in that is used for implementing the frame treatment technology of any one of claims 1-5, the frame treatment production line includes turning device (1), belt cleaning device (3), sewage treatment plant (4), laser paint removal device (5) and exhaust gas treatment device (8), turning device (1) is used for adjusting the frame to the welding seam of frame sets up upwards, belt cleaning device (3) with sewage treatment plant (4) all set up in wash station (100), belt cleaning device (3) are used for wasing and weather the frame after the gesture is adjusted, sewage treatment plant (4) are used for the recovery treatment to wash the sewage that the frame produced, laser paint removal device (5) set up in laser paint removal station (200) for get rid of the paint layer on frame surface, laser paint removal station (200) with paint spray station (400) all are provided with exhaust gas treatment device (8), exhaust gas treatment device (8) are used for collecting and handling the frame and spray paint in-up the waste gas that produces.
  7. 7. The frame treatment production line according to claim 6, characterized in that the sewage treatment device (4) comprises a water collecting pit (41), a sewage tank (42) and a filtering component (43), wherein the water collecting pit (41) is used for collecting sewage generated by the frame in the cleaning process, the sewage tank (42) is communicated with the water collecting pit (41), the filtering component (43) comprises a first filtering piece (431), a filtering pump (432) and a second filtering piece (433), the first filtering piece (431) is arranged at an inlet of the water collecting pit (41), the filtering pump (432) is arranged at a communicating pipeline of the water collecting pit (41) and the sewage tank (42) and is used for pumping sewage in the water collecting pit (41) to the sewage tank (42), and the second filtering piece (433) is arranged at an inlet of the sewage tank (42) and is used for filtering the sewage pumped by the filtering pump (432) to the sewage tank (42).
  8. 8. The frame treatment line according to claim 7, wherein the sewage treatment device (4) further comprises a driving assembly (44) and a mounting frame, the driving assembly (44) comprises a driving member, a driving sprocket (441), a driven sprocket (442) and a conveying chain (443), the driving sprocket (441) and the driven sprocket (442) are arranged at intervals along the horizontal direction and are mounted on the upper portion of the sewage tank (42), the conveying chain (443) is wound around the driving sprocket (441) and the driven sprocket (442), the mounting frame is connected to the driving sprocket (441) and the driven sprocket (442) in a meshed manner, the mounting frame is arranged above the driving assembly (44), one end of the second filter member (433) is connected to the conveying chain (443), the other end of the second filter member is wound around the mounting frame, and the driving member is used for driving the driving sprocket (441) to rotate, so that an unused section of the second filter member (433) can move to an inlet of the sewage tank (42).
  9. 9. The frame processing production line according to claim 6, wherein the cleaning device (3) comprises a liquid storage unit (31), a temperature adjusting unit (32) and a liquid spraying unit (33) which are sequentially communicated, the liquid storage unit (31) comprises a cleaning water tank (311), a cleaning agent liquid tank (312) and a liquid supplementing pump (313), the cleaning agent liquid tank (312) is communicated with the cleaning water tank (311), the liquid supplementing pump (313) is arranged in a communicating pipeline of the cleaning agent liquid tank (312) and the cleaning water tank (311) and is used for pumping the cleaning agent into the cleaning water tank (311), the liquid spraying unit (33) is communicated with the cleaning water tank (311), a spraying outlet of the liquid spraying unit (33) faces the frame, and the temperature adjusting unit (32) is used for adjusting the temperature of liquid in the communicating pipeline of the cleaning water tank (311) and the liquid spraying unit (33).
  10. 10. The frame processing line according to claim 9, wherein the liquid injection unit (33) includes a hand-held injection gun (331), an automatic injection gun (332), and a three-way valve (333), the three-way valve (333) being provided on communication lines of the hand-held injection gun (331), the automatic injection gun (332), and the purge tank (311), the three-way valve (333) being configured to communicate the hand-held injection gun (331) with the purge tank (311), or the automatic injection gun (332) with the purge tank (311).

Description

Frame treatment process and frame treatment production line Technical Field The invention relates to the technical field of bogie overhauling, in particular to a framework treatment process and a framework treatment production line. Background The bogie is used as a running part of the railway vehicle, and has the functions of supporting a vehicle body, transmitting load, relieving wheel track impact, implementing braking and the like, and the performance parameters of the bogie can directly influence the safety, stability and riding comfort of the running of the vehicle. The main components of the bogie structure are frameworks, and in order to ensure the running reliability of the vehicle, the frameworks are usually required to be overhauled or renovated regularly, including but not limited to a cleaning process, a paint removal process, a nondestructive inspection process and the like. At present, the cleaning procedure of the framework is mostly dependent on manual operation, the labor intensity of personnel is high, sewage generated in the cleaning process is not effectively collected, the working environment is wet and smooth and messy, hidden danger of personnel injury exists, and water is easy to remain on the surface of the framework after cleaning, so that the quality of subsequent paint removal is affected. In addition, a shot blasting method is mostly adopted for removing the paint layer at the welding line part of the framework, but a great amount of dust and noise are generated in the shot blasting process, and the physical health of personnel in a cleaning area and the cleanliness of the surrounding environment are seriously affected. In addition, the paint removal effect of the shot blasting machine is limited, and a paint remover is usually required to be manually sprayed after shot blasting, so that the paint removal cost is increased, and chemical components in the paint remover are easy to cause secondary pollution to the surrounding environment. Therefore, there is a need to provide a frame processing process and a frame processing line to solve the above problems. Disclosure of Invention The invention aims to provide a frame treatment process and a frame treatment production line, which can improve the cleaning safety and the cleaning quality, realize the recovery and treatment of sewage and waste gas, reduce the pollution of the frame treatment process to the surrounding environment, improve the surrounding environment quality in the frame treatment process and ensure the physical health of personnel. To achieve the purpose, the invention adopts the following technical scheme: In a first aspect, the present invention provides a frame treatment process, comprising the steps of: s1, carrying out posture adjustment on a framework; s2, conveying the framework with the adjusted posture to a cleaning station, cleaning and drying the framework, and recycling and treating sewage generated in the cleaning process; s3, conveying the framework to a laser paint removal station, carrying out laser paint removal on the framework, removing a paint layer on the surface of the framework, and collecting and treating waste gas generated in the laser paint removal process; s4, transporting the frame subjected to laser paint removal to a flaw detection station, and carrying out nondestructive flaw detection on the frame; s5, transporting the frame subjected to nondestructive inspection to a paint spraying station, carrying out paint spraying repair on the frame, and recycling waste gas generated in the paint spraying repair process; S6, installing the framework to a preset position of the bogie structure. The method comprises the steps of S21, hoisting the framework with the adjusted posture to a framework AGV by hoisting equipment, S22, conveying the framework to a cleaning station by the framework AGV, and withdrawing the framework from the cleaning station after the framework is placed, S23, cleaning and drying the framework at the cleaning station, and recycling sewage generated by the framework in the cleaning process. Optionally, the frame AGV in step S21 is provided with a first positioning unit, where the first positioning unit includes a first positioning identification member and a first posture adjustment auxiliary member that are set at intervals, the cleaning station in step S2, the laser paint removal station in step S3, and the paint spraying station in step S5 are all provided with positioning identification members, and the first positioning identification member can identify the positioning identification members to guide the frame to be in place at the cleaning station, the laser paint removal station, and the paint spraying station, respectively, and the first posture adjustment auxiliary member is used for collecting environmental data in the traveling process of the frame AGV to assist in adjusting the traveling posture of the frame AGV. Optionally, the framework AGV in step S21 incl