Railway vehicle side wall framework welding tool

Abstract

The utility model discloses a rail vehicle side wall framework welding tool, and belongs to the technical field of rail vehicle steel structure installing and welding. Comprising a first base, a first sliding rail, a plurality of first adjusting mechanisms, a first guiding mechanism, a plurality of first supporting seats, a second base, a second sliding rail, a plurality of second adjusting mechanisms, a second guiding mechanism, a plurality of second supporting seats and a plurality of clamping mechanisms. The multiple clamping mechanisms are arranged on the first supporting base and the second supporting base. The first adjusting mechanism and the second adjusting mechanism can respectively drive the clamping mechanism to move through the first sliding rail and the second sliding rail, the first guiding mechanism drives the clamping mechanism to move in the direction perpendicular to the moving direction of the first adjusting mechanism, and the second guiding mechanism drives the clamping mechanism to move in the direction perpendicular to the moving direction of the second adjusting mechanism. The clamping mechanism can be adjusted according to the size of the side wall framework of the railway vehicle, and the side wall frameworks of different sizes can be adjusted and clamped.

Description

Technical Field

[0001] The utility model relates to a welding tool for a side wall frame of a rail vehicle, belonging to the technical field of assembly welding of steel structures of rail vehicles. Background Art

[0002] The steel structure of the side wall of a rail vehicle is mainly composed of welded side wall frames and side wall panels. The side wall frames serve as the structural support of the side wall, and each vehicle has 6 side wall frames that need to be welded. Due to the different sizes of side wall frames, multiple fixtures are currently required to clamp the side wall frames before welding. Each fixture needs to be equipped with a separate welding device, which places high demands on the welding site and the fixture occupies an excessively large area. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a welding fixture for the side wall frames of rail vehicles, which can be adjusted and clamped for side wall frames of different sizes without the need for additional welding equipment, thereby improving the versatility of the fixture and reducing the site occupation, and solving the current problem of high requirements for the welding site for the side walls of rail vehicles and the excessively large area occupied by the fixture.

[0004] In order to achieve the above purpose / solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The utility model provides a rail vehicle side wall frame welding tool, comprising:

[0006] First Plinth;

[0007] a first slide rail, the first slide rail being arranged on the first base;

[0008] a plurality of first adjustment mechanisms, wherein the plurality of first adjustment mechanisms move along the first slide rail on the first base;

[0009] a first guiding mechanism, wherein the first guiding mechanism is provided on the first adjusting mechanism;

[0010] A plurality of first support seats, wherein the plurality of first support seats are movably arranged on the first guide mechanism, and the first support seats change positions along the first guide mechanism in a direction perpendicular to the movement direction of the first adjustment mechanism;

[0011] a second base, the second base being arranged on one side of the first base and forming an angle with the first base;

[0012] a second slide rail, the second slide rail being arranged on opposite sides of the second base and the first base;

[0013] a plurality of second adjustment mechanisms, wherein the plurality of second adjustment mechanisms move along the second slide rail on the second base;

[0014] a second guiding mechanism, wherein the second guiding mechanism is provided on the second adjusting mechanism;

[0015] a plurality of second support seats, wherein the plurality of second support seats are movably arranged on the second guide mechanism, and the second support seats change positions along the second guide mechanism perpendicular to the moving direction of the second adjustment mechanism;

[0016] Multiple clamping mechanisms are respectively arranged on the first support seat and the second support seat, and are used to clamp the side wall frame.

[0017] Optionally, the first adjustment mechanism includes a first slide, which is slidably connected to the first slide rail; one side of the first slide is provided with a first power source provided on the first base for driving the first slide to move along the first slide rail and a first baffle provided on the first base for limiting the first slide.

[0018] Optionally, the first guide mechanism includes a first slideway provided on the first slide plate, and a first slideway support provided on the first slide plate corresponding to the first slideway; the first slideway and the first slideway support are both slidably connected to the first support seat.

[0019] Optionally, the second base is provided with a lifting mechanism for changing the angle between the second base and the first base.

[0020] Optionally, the lifting mechanism includes a base and a hydraulic cylinder provided on the base; the fixed end of the hydraulic cylinder is hinged to the base, and the movable end is hinged to the second base; the second base is hinged to the base.

[0021] Optionally, the second adjustment mechanism includes a second slide, which is slidably connected to the second slide rail; one side of the second slide is provided with a second power source provided on the second base for driving the second slide to move along the second slide rail and a second baffle provided on the second base for limiting the second slide.

[0022] Optionally, the second guide mechanism includes a second slideway provided on the second slide plate, and a second slideway support provided on the second slide plate corresponding to the second slideway; the second slideway and the second slideway support are both slidably connected to the second support seat.

[0023] Optionally, the clamping mechanism includes a column, a first positioning end fixed to the column for positioning the side wall frame, a connecting arm movably provided on the column, a clamping cylinder and a clamping assembly provided on one side of the column; one end of the connecting arm is hinged to the movable end of the clamping cylinder, and the other end is connected to the clamping assembly.

[0024] Optionally, the compression assembly includes a connecting seat A and a compression plate A for clamping the side wall frame; one end of the connecting seat A is fixedly connected to the connecting arm, and the other end is fixedly connected to the compression plate A.

[0025] Optionally, the clamping assembly includes a connecting seat B, a clamping plate B for clamping the side wall frame, a second positioning end and a third positioning end; the connecting seat B is fixedly connected to the clamping plate B and the second positioning end respectively, and the third positioning end is arranged on the first positioning end and cooperates with the second positioning end.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The utility model utilizes the first slide rail and the second slide rail to enable the first adjustment mechanism and the second adjustment mechanism to respectively drive the clamping mechanism to move, and the first guide mechanism drives the clamping mechanism to move perpendicularly to the moving direction of the first adjustment mechanism, and the second guide mechanism drives the clamping mechanism to move perpendicularly to the moving direction of the second adjustment mechanism. The clamping mechanism can be adjusted according to the size of the side wall frame of the rail vehicle, and can be adjusted and clamped for side wall frames of different sizes. No additional welding equipment is required, which improves the versatility of the clamp and reduces the site occupation, solving the current problem of high requirements for the welding site of the side wall of the rail vehicle and the excessive footprint of the clamp.

[0028] 2. The utility model arranges the second base on one side of the first base and forms an angle with the first base, and uses a lifting mechanism to adjust the size of the angle between the second base and the first base, so that the clamping mechanism can better match the contour of the side wall frame, thereby improving the applicability to side wall frames of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a front view of the overall structure of a rail vehicle side wall frame welding tool according to an embodiment of the present utility model;

[0030] Figure 2 This is a structural schematic diagram of a first base of a rail vehicle side wall frame welding tool according to an embodiment of the present utility model;

[0031] Figure 3 This is a structural schematic diagram of a second base of a rail vehicle side wall frame welding tool according to an embodiment of the present utility model;

[0032] Figure 4 This is a structural schematic diagram of a first adjustment mechanism of a rail vehicle side wall frame welding tool according to an embodiment of the present utility model;

[0033] Figure 5 This is a structural schematic diagram of a second adjustment mechanism of a rail vehicle side wall frame welding tool according to an embodiment of the present utility model;

[0034] Figure 6 This is a structural schematic diagram of a clamping mechanism of a rail vehicle side wall frame welding tool provided in Example 1 of the present utility model;

[0035] Figure 7 This is a structural schematic diagram of a clamping mechanism of a rail vehicle side wall frame welding tool provided in Example 2 of the present utility model.

[0036] In the figure: 1. first base; 2. first slide rail; 3. first adjustment mechanism; 301. first slide plate; 302. first power source; 303. first baffle; 4. first guide mechanism; 401. first slideway; 402. first slideway support; 5. first support base; 6. second base; 7. second slide rail; 8. second adjustment mechanism; 801. second slide plate; 802. second power source; 803. second baffle; 9. second guide mechanism; 901. second slideway; 902. second slideway support; 10. Second support seat; 11. Clamping mechanism; 1101. Column; 1102. First positioning end; 1103. Connecting arm; 1104. Clamping cylinder; 1105. Pressing assembly; 110501. Connecting seat A; 110502. Pressing plate A; 110503. Connecting seat B; 110504. Pressing plate B; 110505. Second positioning end; 110506. Third positioning end; 12. Roller; 13. Lifting mechanism; 1301. Base; 1302. Hydraulic cylinder. DETAILED DESCRIPTION

[0037] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention. Example 1

[0038] like Figure 1 、 Figure 2 and Figure 3 As shown, a rail vehicle side wall frame welding tool includes: a first base 1, a first slide rail 2, multiple first adjustment mechanisms 3, a first guide mechanism 4, multiple first support seats 5, a second base 6, a second slide rail 7, multiple second adjustment mechanisms 8, a second guide mechanism 9, multiple second support seats 10 and multiple clamping mechanisms 11; the multiple clamping mechanisms 11 are provided on the first support seats 5 and the second support seats 10;

[0039] In this embodiment, the first slide rail 2 is laid on the top of the first base 1, and the plurality of first adjustment mechanisms 3 move on the first base 1 through the first slide rail 2. Specifically:

[0040] like Figure 4As shown, the first adjustment mechanism 3 includes a first slide 301, and a first power source 302 and a first baffle 303 are further provided on the side of the first slide 301, wherein a slide groove adapted to the first slide rail 2 is opened at the bottom of the first slide 301, and the first slide 301 is slidably connected to the first slide rail 2; the first power source 302 is a cylinder, and the first power source 302 is mounted on the top of the first base 1, and the movable end of the first power source 302 is fixedly connected to the bottom of the first slide 301, and the movable end of the first power source 302 can drive the first slide 301 to move along the first slide rail 2 by extending and retracting the movable end of the first power source 302; the first baffle 303 is mounted on the top of the first base 1 and is located on the moving path of the first slide 301, and can limit the first slide 301;

[0041] In order to improve the stability and smoothness of movement of the first slide 301, a roller 12 is further installed at the bottom of the first slide 301, and the roller 12 is in contact with the top of the first base 1;

[0042] The first guide mechanism 4 includes a first slide 401 and a first slide support 402; the first slide 401 is T-shaped and laid on the top of the first slide 301, and the extension direction of the first slide 401 is perpendicular to the extension direction of the first slide rail 2; the first slide support 402 is fixed to the top of the first slide 301 and the extension direction is consistent with the extension direction of the first slide 401, and is used to support the first support seat 5; the bottom of the first support seat 5 is provided with a slide groove matching the first slide 401 and the first slide support 402, and the first support seat 5 is slidably connected to the first slide 401 and the first sliding support;

[0043] In this embodiment, the second slide rail 7 is laid on the top of the second base 6, and the plurality of second adjustment mechanisms 8 move on the second base 6 through the second slide rail 7. Specifically:

[0044] like Figure 5 As shown, the second adjustment mechanism 8 includes a second slide 801, and a second power source 802 and a second baffle 803 are further provided on the side of the second slide 801, wherein the bottom of the second slide 801 is provided with a slide groove adapted to the second slide rail 7, and the second slide 801 is slidably connected to the second slide rail 7; the second power source 802 is a cylinder, and the second power source 802 is installed on the top of the second base 6, and the movable end of the second power source 802 is fixedly connected to the bottom of the second slide 801. By extending and retracting the movable end of the second power source 802, the second slide 801 can be driven to move along the second slide rail 7; the second baffle 803 is installed on the top of the second base 6 and is located on the moving path of the second slide 801, which can limit the second slide 801;

[0045] The second guide mechanism 9 includes a second slide 901 and a second slide support 902; the second slide 901 is T-shaped and laid on the top of the second slide 801, and the extension direction of the second slide 901 is perpendicular to the extension direction of the second slide rail 7; the second slide support 902 is fixed to the top of the second slide 801 and the extension direction is consistent with the extension direction of the second slide 901, and is used to support the second support base 10; the bottom of the second support base 10 is provided with a slide groove matching the second slide 901 and the second slide support 902, and the second support base 10 is slidably connected to the second slide 901 and the second sliding support;

[0046] The second base 6 is located on the right side of the first base 1 and forms an angle with the first base 1;

[0047] like Figure 3 As shown, in order to make the clamping mechanism 11 on the second support base 10 more compatible with the contour of the side wall frame, a lifting mechanism 13 is provided at the bottom of the second base 6 for changing the angle between the second base 6 and the first base 1; wherein the lifting mechanism 13 includes a base 1301 and a hydraulic cylinder 1302, the hydraulic cylinder 1302 being mounted on the top of the base 1301, one side of the bottom of the second base 6 being hinged to the movable end of the hydraulic cylinder 1302, and the other side of the bottom of the second base 6 being hinged to the top of the base 1301;

[0048] like Figure 6 As shown, the clamping mechanism 11 includes a column 1101, a first positioning end 1102, a connecting arm 1103, a clamping cylinder 1104 and a pressing assembly 1105; the column 1101 provided on the first support seat 5 is fixedly connected to the top of the first support seat 5 by a fastener, and the column 1101 provided on the second support seat 10 is fixedly connected to the top of the second support seat 10 by a fastener; the first positioning end 1102 is installed on the right side of the column 1101 for positioning the side wall frame; the clamping cylinder 1104 is installed on the left side of the column 1101, the connecting arm 1103 is hinged to the top of the column 1101, one end of the connecting arm 1103 is hinged to the movable end of the clamping cylinder 1104, and the other end is connected to the pressing assembly 1105;

[0049] Among them, the clamping assembly 1105 includes a connecting seat A110501 and a clamping plate A110502; one end of the connecting seat A110501 is fixedly connected to the connecting arm 1103, and the other end is fixedly connected to the clamping plate A110502. First, the side wall frame is placed on the first positioning end 1102, and the connecting arm 1103 is driven to move by the clamping cylinder 1104, so that the clamping plate A110502 is clamped on the side wall frame. Example 2

[0050] like Figure 1 、 Figure 2 and Figure 3As shown, a rail vehicle side wall frame welding tool includes: a first base 1, a first slide rail 2, multiple first adjustment mechanisms 3, a first guide mechanism 4, multiple first support seats 5, a second base 6, a second slide rail 7, multiple second adjustment mechanisms 8, a second guide mechanism 9, multiple second support seats 10 and multiple clamping mechanisms 11; the multiple clamping mechanisms 11 are provided on the first support seats 5 and the second support seats 10;

[0051] In this embodiment, the first slide rail 2 is laid on the top of the first base 1, and the plurality of first adjustment mechanisms 3 move on the first base 1 through the first slide rail 2. Specifically:

[0052] like Figure 4 As shown, the first adjustment mechanism 3 includes a first slide 301, and a first power source 302 and a first baffle 303 are further provided on the side of the first slide 301, wherein a slide groove adapted to the first slide rail 2 is opened at the bottom of the first slide 301, and the first slide 301 is slidably connected to the first slide rail 2; the first power source 302 is a cylinder, and the first power source 302 is mounted on the top of the first base 1, and the movable end of the first power source 302 is fixedly connected to the bottom of the first slide 301, and the movable end of the first power source 302 can drive the first slide 301 to move along the first slide rail 2 by extending and retracting the movable end of the first power source 302; the first baffle 303 is mounted on the top of the first base 1 and is located on the moving path of the first slide 301, and can limit the first slide 301;

[0053] In order to improve the stability and smoothness of movement of the first slide 301, a roller 12 is further installed at the bottom of the first slide 301, and the roller 12 is in contact with the top of the first base 1;

[0054] The first guide mechanism 4 includes a first slide 401 and a first slide support 402; the first slide 401 is T-shaped and laid on the top of the first slide 301, and the extension direction of the first slide 401 is perpendicular to the extension direction of the first slide rail 2; the first slide support 402 is fixed to the top of the first slide 301 and the extension direction is consistent with the extension direction of the first slide 401, and is used to support the first support seat 5; the bottom of the first support seat 5 is provided with a slide groove matching the first slide 401 and the first slide support 402, and the first support seat 5 is slidably connected to the first slide 401 and the first sliding support;

[0055] In this embodiment, the second slide rail 7 is laid on the top of the second base 6, and the plurality of second adjustment mechanisms 8 move on the second base 6 through the second slide rail 7. Specifically:

[0056] like Figure 5As shown, the second adjustment mechanism 8 includes a second slide 801, and a second power source 802 and a second baffle 803 are further provided on the side of the second slide 801, wherein the bottom of the second slide 801 is provided with a slide groove adapted to the second slide rail 7, and the second slide 801 is slidably connected to the second slide rail 7; the second power source 802 is a cylinder, and the second power source 802 is installed on the top of the second base 6, and the movable end of the second power source 802 is fixedly connected to the bottom of the second slide 801. By extending and retracting the movable end of the second power source 802, the second slide 801 can be driven to move along the second slide rail 7; the second baffle 803 is installed on the top of the second base 6 and is located on the moving path of the second slide 801, which can limit the second slide 801;

[0057] The second guide mechanism 9 includes a second slide 901 and a second slide support 902; the second slide 901 is T-shaped and laid on the top of the second slide 801, and the extension direction of the second slide 901 is perpendicular to the extension direction of the second slide rail 7; the second slide support 902 is fixed to the top of the second slide 801 and the extension direction is consistent with the extension direction of the second slide 901, and is used to support the second support base 10; the bottom of the second support base 10 is provided with a slide groove matching the second slide 901 and the second slide support 902, and the second support base 10 is slidably connected to the second slide 901 and the second sliding support;

[0058] The second base 6 is located on the right side of the first base 1 and forms an angle with the first base 1;

[0059] like Figure 3 As shown, in order to make the clamping mechanism 11 on the second support base 10 more compatible with the contour of the side wall frame, a lifting mechanism 13 is provided at the bottom of the second base 6 for changing the angle between the second base 6 and the first base 1; wherein the lifting mechanism 13 includes a base 1301 and a hydraulic cylinder 1302, the hydraulic cylinder 1302 being mounted on the top of the base 1301, one side of the bottom of the second base 6 being hinged to the movable end of the hydraulic cylinder 1302, and the other side of the bottom of the second base 6 being hinged to the top of the base 1301;

[0060] like Figure 7 As shown, the clamping mechanism 11 includes a column 1101, a first positioning end 1102, a connecting arm 1103, a clamping cylinder 1104 and a pressing assembly 1105; the column 1101 provided on the first support seat 5 is fixedly connected to the top of the first support seat 5 by a fastener, and the column 1101 provided on the second support seat 10 is fixedly connected to the top of the second support seat 10 by a fastener; the first positioning end 1102 is installed on the right side of the column 1101 for positioning the side wall frame; the clamping cylinder 1104 is installed on the left side of the column 1101, the connecting arm 1103 is hinged to the top of the column 1101, one end of the connecting arm 1103 is hinged to the movable end of the clamping cylinder 1104, and the other end is connected to the pressing assembly 1105;

[0061] The clamping assembly 1105 includes a connecting seat B110503, a clamping plate B110504, a second positioning end 110505 and a third positioning end 110506; the connecting seat B110503 is fixedly connected to the clamping plate B110504 and the second positioning end 110505 respectively, and the third positioning end 110506 is fixedly connected to the first positioning end 1102 and cooperates with the second positioning end 110505; first, the side wall frame is placed on the first positioning end 1102 and the side of the side wall frame is fitted with the third positioning end 110506, and the connecting arm 1103 is driven to move by the clamping cylinder 1104, so that the clamping plate B110503 is clamped on the side wall frame, and at the same time, the second positioning end 110505 is against the side of the side wall frame.

[0062] How it works

[0063] According to the outline of the side wall frame to be welded, start the hydraulic cylinder 1302 to adjust the angle between the second base 6 and the first base 1. After the second base 6 is adjusted to the appropriate position, start the first power source 302 and the second power source 802 respectively, and adjust the positions of the first slide 301 and the second slide 801 according to the size of the side wall frame to be welded. After the first slide 301 and the second slide 801 are in appropriate positions, move the first support plate along the first slide 401 on the first slide 301 as needed, and move the second support plate on the second slide 801. After fine-tuning the first support plate and the second support plate to the target position, the side wall frame can be placed on the first positioning end 1102 on the first support seat 5 and the first positioning end 1102 on the second support seat 10 respectively. After placement, the clamping cylinder 1104 can be started to clamp the side wall frame.

[0064] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0065] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0066] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A welding tool for a side wall frame of a railway vehicle, characterized in that: include: a first base (1); A first slide rail (2), the first slide rail (2) being arranged on the first base (1); A plurality of first adjustment mechanisms (3), wherein the plurality of first adjustment mechanisms (3) move along the first slide rail (2) on the first base (1); a first guiding mechanism (4), the first guiding mechanism (4) being arranged on the first adjusting mechanism (3); A plurality of first support seats (5), wherein the plurality of first support seats (5) are movably arranged on the first guide mechanism (4), and the first support seats (5) change positions along the first guide mechanism (4) in a direction perpendicular to the movement direction of the first adjustment mechanism (3); A second base (6), the second base (6) being arranged on one side of the first base (1) and forming an angle with the first base (1); a second slide rail (7), the second slide rail (7) being arranged on opposite sides of the second base (6) and the first base (1); A plurality of second adjustment mechanisms (8), wherein the plurality of second adjustment mechanisms (8) move along the second slide rail (7) on the second base (6); a second guiding mechanism (9), the second guiding mechanism (9) being arranged on the second adjusting mechanism (8); A plurality of second support seats (10), wherein the plurality of second support seats (10) are movably arranged on the second guide mechanism (9), and the second support seats (10) change positions along the second guide mechanism (9) perpendicular to the moving direction of the second adjustment mechanism (8); A plurality of clamping mechanisms (11) are respectively arranged on the first support seat (5) and the second support seat (10) and are used to clamp the side wall frame.

2. The rail vehicle side wall frame welding tool according to claim 1, characterized in that: The first adjustment mechanism (3) comprises a first slide (301), wherein the first slide (301) is slidably connected to the first slide rail (2); one side of the first slide (301) is provided with a first power source (302) provided on the first base (1) for driving the first slide (301) to move along the first slide rail (2) and a first baffle (303) provided on the first base (1) for limiting the first slide (301).

3. The rail vehicle side wall frame welding tool according to claim 2, characterized in that: The first guide mechanism (4) comprises a first slideway (401) provided on the first slide plate (301), and a first slideway support (402) provided on the first slide plate (301) and corresponding to the first slideway (401); the first slideway (401) and the first slideway support (402) are both slidably connected to the first support seat (5).

4. The rail vehicle side wall frame welding tool according to claim 1, characterized in that: The second base (6) is provided with a lifting mechanism (13) for changing the angle between the second base (6) and the first base (1).

5. The rail vehicle side wall frame welding tool according to claim 4, characterized in that: The lifting mechanism (13) comprises a base (1301) and a hydraulic cylinder (1302) provided on the base (1301); the fixed end of the hydraulic cylinder (1302) is hinged to the base (1301), and the movable end is hinged to the second base (6); the second base (6) is hinged to the base (1301).

6. The rail vehicle side wall frame welding tool according to claim 1, characterized in that: The second adjustment mechanism (8) includes a second slide (801), and the second slide (801) is slidably connected to the second slide rail (7); a second power source (802) provided on the second base (6) for driving the second slide (801) to move along the second slide rail (7) and a second baffle (803) provided on the second base (6) for limiting the second slide (801).

7. The rail vehicle side wall frame welding tool according to claim 6, characterized in that: The second guide mechanism (9) comprises a second slideway (901) provided on the second slide plate (801) and a second slideway support (902) provided on the second slide plate (801) and corresponding to the second slideway (901); the second slideway (901) and the second slideway support (902) are both slidably connected to the second support seat (10).

8. The rail vehicle side wall frame welding tool according to claim 1, characterized in that: The clamping mechanism (11) comprises a column (1101), a first positioning end (1102) fixed to the column (1101) for positioning the side wall frame, a connecting arm (1103) movably arranged on the column (1101), a clamping cylinder (1104) and a pressing assembly (1105) arranged on one side of the column (1101); one end of the connecting arm (1103) is hinged to the movable end of the clamping cylinder (1104), and the other end is connected to the pressing assembly (1105).

9. The rail vehicle side wall frame welding tool according to claim 8, characterized in that: The compression assembly (1105) comprises a connecting seat A (110501) and a compression plate A (110502) for clamping the side wall frame; one end of the connecting seat A (110501) is fixedly connected to the connecting arm (1103), and the other end is fixedly connected to the compression plate A (110502).

10. The rail vehicle side wall frame welding tool according to claim 8, characterized in that: The clamping assembly (1105) comprises a connecting seat B (110503), a clamping plate B (110504) for clamping the side wall frame, a second positioning end (110505) and a third positioning end (110506); the connecting seat B (110503) is fixedly connected to the clamping plate B (110504) and the second positioning end (110505), respectively; the third positioning end (110506) is arranged on the first positioning end (1102) and cooperates with the second positioning end (110505).

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