A welding device for the side wall of an electric locomotive driver's cab
By monitoring the height of parts with an electric telescopic rod and pressure sensor, and combining it with a motor-driven lead screw and fixing plate to achieve adaptive clamping, the problem of cumbersome traditional manual positioning and clamping is solved, and the automation level and welding quality of the welding of the side wall components of the electric locomotive driver's cab are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CRRC DALIAN CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-05-26
AI Technical Summary
In the traditional welding process of the side wall components of the electric locomotive driver's cab, the manual positioning and clamping methods make the fixture adjustment cumbersome, time-consuming and labor-intensive, and it is difficult to ensure the consistency of positioning and clamping, which affects product quality and production efficiency.
The system uses an electric telescopic rod and pressure sensor to monitor the height of the parts and automatically adjust the clamping force. Combined with vertical and horizontal fixing plates, it achieves adaptive clamping. The motor drives the lead screw to achieve automatic feeding and positioning, improving the safety and reliability of the clamping process.
It achieves adaptive clamping control, which improves welding quality and production efficiency, reduces manual intervention, ensures welding accuracy and consistency, and prevents deformation of thin plates.
Smart Images

Figure CN224273926U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of side wall welding clamping technology, specifically a side wall welding device for electric locomotive driver's cab. Background Technology
[0002] With the rapid development of my country's rail transit industry, electric locomotives, as important equipment for high-speed and heavy-load transportation, have increasingly higher requirements for manufacturing precision and production efficiency. The driver's cab, as an important component of the electric locomotive, not only undertakes operation and control functions, but also directly affects the appearance quality and structural safety of the entire vehicle. Among them, the side wall of the driver's cab is one of the key structural components that constitute the frame of the driver's cab. It is usually welded together from multiple steel plates, reinforcing ribs and connecting plates.
[0003] In actual production, the welding quality of the side wall components directly affects the overall strength, sealing, and assembly accuracy of the driver's cab. Traditional side wall welding often uses manual positioning and clamping. However, different models or batches of side wall components have different dimensions. When changing workpieces, operators need to frequently readjust the clamping position and clamping force of the fixture. Manual adjustment is not only cumbersome, time-consuming, and labor-intensive, but also makes it difficult to ensure the consistency of positioning and clamping, affecting the stability of product quality and production efficiency. Therefore, we propose a side wall welding device for electric locomotive driver's cabs. Utility Model Content
[0004] The purpose of this invention is to provide a welding device for the side wall assembly of the driver's cab of an electric locomotive, so as to solve the above-mentioned problems.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a welding device for the side wall of an electric locomotive driver's cab, comprising: a support base and a placement platform, the placement platform being connected to the locomotive body, the placement platform being used to place the parts to be welded, and the support base being used to support the placement platform;
[0006] It also includes: a clamping seat, which is connected to the placement platform. The clamping seat has a groove, and an electric telescopic rod is connected to the groove. The other end of the electric telescopic rod is connected to a connecting plate. A pressure sensor is connected to the connecting plate. The other end of the pressure sensor is connected to the clamping plate. The pressure sensor is used to monitor the height of the parts to be welded. The clamping plate is used to clamp the components to be welded. A fixing component is connected to the placement platform. According to the height of the parts to be welded, the fixing component adjusts the clamping force on the parts to be welded.
[0007] The connecting plate is connected to a trigger plate, and several trigger switches are connected in the groove. The trigger switches are used to control the clamping force of the fastener.
[0008] The fasteners include a vertical fixing plate and a horizontal fixing plate, both of which are placed on a placement platform. The vertical fixing plate and the horizontal fixing plate respectively fix the welded parts vertically and horizontally.
[0009] The placement platform has a sliding groove, a motor is connected inside the sliding groove, a lead screw is connected to the output shaft of the motor, a moving block is connected to the lead screw, and a placement plate is connected to the moving block.
[0010] Among them, an electric telescopic rod 2 is connected to the placement plate, and a movable plate 1 is connected to the electric telescopic rod 2. The movable plate 1 corresponds to the vertical fixed plate.
[0011] Pressure sensor 2 is connected between the movable plate 1 and the vertical fixed plate.
[0012] Among them, an electric telescopic rod three is connected to the horizontal fixed plate, and a movable plate two is connected to the electric telescopic rod three, which corresponds to the horizontal fixed plate.
[0013] Pressure sensor three is connected between the movable plate two and the horizontal fixed plate.
[0014] This utility model has at least the following beneficial effects: By setting a clamping seat connected to a placement platform, a groove is provided on the clamping seat, and an electric telescopic rod is connected to the groove. The other end of the electric telescopic rod is connected to a connecting plate, and a pressure sensor is connected to the connecting plate. The other end of the pressure sensor is connected to the clamping plate. The pressure sensor is used to monitor the height of the part to be welded, and the clamping plate is used to clamp the component to be welded. If the pressure rises rapidly, it indicates that the part is too high and the clamping stroke is too short; conversely, it indicates that the part is too low and a longer stroke is required. The pressure sensor is used to monitor the pressure on the part during the clamping process in real time and indirectly reflect the height and dimension information of the part to be welded, thus realizing adaptive clamping control. A fixing component is connected to the placement platform. According to the height of the part to be welded, the fixing component adjusts the clamping force on the part to be welded, automatically adjusting the clamping force to adapt to the welding requirements of side wall components of different specifications, improving the safety and reliability of the clamping process, preventing deformation of thin plates due to excessive clamping, avoiding manual adjustment, reducing operator intervention, and improving automation and production efficiency. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the placement platform structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the vertical fixing plate structure of this utility model;
[0018] Figure 4This is a schematic diagram of the horizontal fixing plate structure of this utility model;
[0019] Figure 5 This is a schematic diagram of the groove structure of this utility model;
[0020] Figure 6 for Figure 5 Enlarged schematic diagram of region A in the middle.
[0021] In the diagram: 1. Machine body; 2. Placement platform; 3. Clamping seat; 4. Clamping plate; 5. Vertical fixing plate; 6. Pressure sensor two; 7. Electric telescopic rod two; 8. Groove; 9. Slide groove; 10. Fixing component; 11. Lead screw; 12. Moving plate one; 13. Moving block; 14. Placement plate; 15. Horizontal fixing plate; 16. Motor; 17. Electric telescopic rod three; 18. Pressure sensor three; 19. Electric telescopic rod one; 20. Connecting plate; 21. Trigger plate; 22. Trigger switch; 23. Pressure sensor one. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example 1
[0024] Please see Figures 1 to 6 This utility model provides a technical solution: a welding device for the side wall of the driver's cab of an electric locomotive, comprising: a support base and a placement platform 2. The placement platform 2 is connected to the machine body 1. The placement platform 2 is used to place the parts to be welded. The support base is used to support the placement platform 2 and to provide structural support for the entire device to ensure stability during the welding process.
[0025] It also includes: a clamping seat 3, which is connected to the placement platform 2. The clamping seat 3 has a groove 8, and an electric telescopic rod 19 is connected to the groove 8. The other end of the electric telescopic rod is connected to a connecting plate 20, and a pressure sensor 23 is connected to the connecting plate 20. The other end of the pressure sensor 23 is connected to a clamping plate 4. The pressure sensor 23 is used to monitor the height of the parts to be welded, and the clamping plate 4 is used to clamp the components to be welded. If a rapid increase in pressure is detected, it indicates that the part is too tall and the clamping stroke is short; conversely, if the pressure rises rapidly, it indicates that the part is too short and a longer clamping stroke is required. Pressure sensor 23 is used to monitor the pressure on the parts during the clamping process in real time and indirectly reflect the height and dimension information of the parts to be welded, so as to realize adaptive clamping control. The mounting table 2 is connected to the fixing component 10. According to the height of the parts to be welded, the fixing component 10 adjusts the clamping force on the parts to be welded, automatically adjusting the clamping force to adapt to the welding requirements of side wall components of different specifications, improving the safety and reliability of the clamping process, preventing deformation of thin plates due to excessive clamping, avoiding manual adjustment, reducing operator intervention, and improving automation and production efficiency.
[0026] A trigger plate 21 is connected to the connecting plate 20. The trigger plate 21 is fixed to the connecting plate 20 and moves synchronously with the push of the electric telescopic rod 19. Several trigger switches 22 are connected in the groove 8. The multiple trigger switches 22 are arranged at equal intervals along the length of the groove 8. The trigger switches 22 are used to control the clamping force of the fixing part 10. When the trigger plate 21 touches the trigger switch 22 at different positions during the movement, the clamping stroke stage and the height range of the part are judged, thereby controlling the start time and clamping force level of the fixing part 10, realizing graded and intelligent clamping, providing dual detection of pressure detection and position detection, enhancing the accuracy of system judgment, reducing the risk of misoperation, and improving the safety of equipment operation.
[0027] The fixing component 10 includes a vertical fixing plate 5 and a horizontal fixing plate 15, both of which are set on the surface of the placement table 2 and located in the vertical and horizontal directions of the part to be welded, respectively. The vertical fixing plate 5 and the horizontal fixing plate 15 are both set on the placement table 2. The vertical fixing plate 5 and the horizontal fixing plate 15 fix the part to be welded vertically and horizontally, respectively. The vertical fixing plate 5 is used to vertically limit and clamp the side of the side wall plate to prevent lateral displacement during welding. The horizontal fixing plate 15 is used to horizontally position and fix the end or edge of the part to ensure the positional accuracy of the component in the welding plane. The vertical fixing plate 5 and the horizontal fixing plate 15 work together to clamp in multiple directions, which significantly improves the stability of workpiece clamping and ensures the accuracy of weld joint.
[0028] A slide 9 is provided on the placement table 2. A motor 16 is connected to the slide 9. A lead screw 11 is connected to the output shaft of the motor 16. A moving block 13 is connected to the lead screw 11. A placement plate 14 is connected to the moving block 13. The motor 16 drives the lead screw 11 to rotate, which in turn drives the moving block 13 and the placement plate 14 to move linearly back and forth along the slide 9. This realizes automatic feeding or positioning adjustment of the welding station, improves assembly efficiency and automation level. The trigger switch 22 at different positions controls the motor 16 to rotate different numbers of revolutions, thereby controlling the clamping force of the transverse fixing plate 15 on the parts, adapting to the processing requirements of side wall components of different lengths.
[0029] Example 2
[0030] An electric telescopic rod 7 is connected to the placement plate 14, and a movable plate 12 is connected to the electric telescopic rod 7. The movable plate 12 corresponds to the vertical fixed plate 5 and works together with the vertical fixed plate 5 on both sides of the side wall assembly. The electric telescopic rod 7 drives the movable plate 12 to move closer to or away from the vertical fixed plate 5 to achieve adaptive vertical clamping of parts of different thicknesses. A pressure sensor 6 is connected between the movable plate 12 and the vertical fixed plate 5 to monitor the pressure value applied to the parts during the vertical clamping process in real time, ensuring that the clamping force is moderate and avoiding deformation of parts due to excessive pressure or positioning failure due to insufficient pressure, thus realizing closed-loop pressure control.
[0031] An electric telescopic rod 17 is connected to the horizontal fixed plate 15, and a movable plate 2 is connected to the electric telescopic rod 17. The movable plate 2 corresponds to the horizontal fixed plate 15 and forms a horizontal clamping structure with the horizontal fixed plate 15. The movable plate 2 is moved by the electric telescopic rod 17 to achieve horizontal clamping of the end of the side wall component. It is suitable for parts of different lengths. A pressure sensor 18 is connected between the movable plate 2 and the horizontal fixed plate 15 to detect the magnitude of the horizontal clamping force, so as to achieve precise control of the horizontal clamping force, ensure that the parts do not shift or deform during the welding process, and improve the welding quality and consistency.
[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A welding device for assembling the side wall of an electric locomotive driver's cab, comprising: A support base and a placement platform, wherein the placement platform is connected to the machine body, the placement platform is used to place the parts to be welded, and the support base is used to support the placement platform; The feature is that it further includes: a clamping seat, which is connected to a placement platform. The clamping seat has a groove, and an electric telescopic rod is connected to the groove. The other end of the electric telescopic rod is connected to a connecting plate. A pressure sensor is connected to the connecting plate, and the other end of the pressure sensor is connected to the clamping plate. The pressure sensor is used to monitor the height of the part to be welded. The clamping plate is used to clamp the component to be welded. A fixing member is connected to the placement platform. According to the height of the part to be welded, the fixing member adjusts the clamping force on the part to be welded.
2. The locomotive cab side wall subassembly welding apparatus of claim 1 wherein: A trigger plate is connected to the connecting plate, and several trigger switches are connected in the groove. The trigger switches are used to control the clamping force of the fixing component.
3. The power car cab side wall sub-assembly welding apparatus of claim 2, wherein: The fastener includes a vertical fixing plate and a horizontal fixing plate, both of which are mounted on a placement platform. The vertical fixing plate and the horizontal fixing plate respectively fix the welded parts vertically and horizontally.
4. The power car cab side wall sub-assembly welding apparatus of claim 3, wherein: The placement platform is provided with a sliding groove, a motor is connected in the sliding groove, a lead screw is connected to the output shaft of the motor, a moving block is connected to the lead screw, and a placement plate is connected to the moving block.
5. The power car cab side wall sub-assembly welding apparatus of claim 4 wherein: The placement plate is connected to an electric telescopic rod two, and the electric telescopic rod two is connected to a movable plate one, which corresponds to the vertical fixed plate.
6. The power car cab side wall sub-assembly welding apparatus of claim 5 wherein: A pressure sensor is connected between the movable plate and the vertical fixed plate.
7. The power car cab side wall sub-assembly welding apparatus of claim 3 wherein: An electric telescopic rod three is connected to the horizontal fixed plate, and a movable plate two is connected to the electric telescopic rod three, which corresponds to the horizontal fixed plate.
8. The power car cab side wall sub-assembly welding apparatus of claim 7, wherein: A pressure sensor is connected between the movable plate 2 and the horizontal fixed plate 3.