Semi-automatic walking device for railway vehicle welding

Abstract

The utility model discloses a semi-automatic walking device for railway vehicle welding, the semi-automatic walking device comprises a device main body, the device main body is divided into a first main body and a second main body which form a certain angle, the first main body is parallel to the side wall of a railway vehicle, and the second main body is parallel to the roof of the railway vehicle; the walking assembly is integrated on the first main body and moves to the upper end of the side wall of the railway vehicle; the bottom surface of the second main body is provided with auxiliary wheels moving on the roof surface of the railway vehicle; the second body is provided with a welding gun bracket, the welding gun head is supported on the welding gun bracket, and the welding end of the welding gun head faces the welding seam. According to the semi-automatic walking device, manual welding conditions are effectively improved, welding efficiency is improved, labor intensity is relieved, meanwhile, welding quality is improved, assistance can be carried out according to the set walking frequency and the set welding gun swing track, and compared with full-automatic welding equipment, manufacturing cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of rail vehicle welding operation technology, and in particular to a semi-automatic traveling device for rail vehicle welding, suitable for welding operations on the roof and side walls of rail vehicles. Background Technology

[0002] In the welding of rail vehicles, the welding of the roof and side walls is particularly challenging. When the welds are all done manually due to their length, the operator's arms are often suspended in the air for extended periods due to the limited working space. In addition, to ensure the stability of the welding torch, the operator often needs to hold the torch at close range. As a result, the hands are exposed to the high temperature of welding. The short welding distances result in a large number of weld joints, leading to high labor intensity. Furthermore, uneven welding speed and inconsistent torch movement can cause poor weld surface formation, affecting the quality of the weld.

[0003] Therefore, based on the above-mentioned technical problems, those skilled in the art urgently need to develop a semi-automatic traveling device for welding rail vehicles. Utility Model Content

[0004] The purpose of this invention is to provide a semi-automatic traveling device for welding rail vehicles. This semi-automatic traveling device can travel automatically according to the welding frequency and speed, solving the problems of uneven welds caused by manual operation and physical fatigue caused by long-term operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model discloses a semi-automatic traveling device for welding rail vehicles. The semi-automatic traveling device can move along the welding trajectory of the sidewalls and roof of the rail vehicle. The semi-automatic traveling device includes:

[0007] The main body of the device is divided into a first main body and a second main body that are at a certain angle to each other. The first main body is parallel to the side wall of the rail vehicle, and the second main body is parallel to the roof of the rail vehicle.

[0008] A traveling assembly integrated into the first main body, the traveling assembly moving on the upper side wall of the rail vehicle;

[0009] The bottom surface of the second main body has auxiliary wheels that can move on the roof surface of the rail vehicle;

[0010] The second main body is provided with a welding torch holder, and the welding torch head is supported on the welding torch holder, with the welding end of the welding torch head facing the weld.

[0011] Furthermore, a roof drainage ditch is formed between the side wall and the roof, and the roof drainage ditch is parallel to the weld.

[0012] Furthermore, the outer side of the first main body of the device is provided with a top cover, and the top cover contains a motor;

[0013] The traveling assembly includes a drive wheel and a driven wheel that are slidably engaged with the upper end of the side wall, and both the drive wheel and the driven wheel are configured as V-shaped pulleys that engage with the upper end of the side wall.

[0014] The output end of the motor is connected to the drive wheel to drive the drive wheel to rotate.

[0015] Furthermore, the auxiliary wheel is provided near the front edge of the second main body.

[0016] Furthermore, the first main body of the device integrates a microcontroller and a battery, and the microcontroller is an Espressif ESP32 microcontroller.

[0017] A motor drive module is connected to the motor and the microcontroller. The motor drive module is a model L298N motor drive module.

[0018] Furthermore, the motor drive module is equipped with a speed fine-tuning knob and a switch.

[0019] Furthermore, the upper end of the welding torch holder is formed with an inclined surface, and the welding torch head is supported and fixed to the inclined surface of the welding torch holder and its head is kept tilted downward through the inclined surface.

[0020] In the above technical solution, the semi-automatic traveling device for welding rail vehicles provided by this utility model has the following beneficial effects:

[0021] The semi-automatic traveling device of this utility model effectively improves the conditions for manual welding, not only increasing welding efficiency and reducing labor intensity, but also improving welding quality. It can assist according to the set traveling frequency and welding torch swing trajectory, and reduces manufacturing costs compared to fully automatic welding equipment. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0023] Figure 1 This is a schematic diagram of the structure of a semi-automatic traveling device for welding rail vehicles disclosed in an embodiment of the present utility model;

[0024] Figure 2This is an exploded view of the structure of a semi-automatic traveling device for welding rail vehicles, as disclosed in an embodiment of this utility model.

[0025] Figure 3 This is a schematic diagram of the connection structure between the motor and the drive wheel of a semi-automatic traveling device for welding rail vehicles, as disclosed in an embodiment of this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 10. Side wall; 20. Roof; 30. Drainage ditch;

[0028] 1. Main body of the device; 2. Welding torch holder;

[0029] 101. First main body; 102. Second main body; 103. Top cover;

[0030] 201. Welding torch tip;

[0031] 301. Drive wheel; 302. Driven wheel; 303. Auxiliary wheel; 304. Driven wheel locating pin;

[0032] 401. Motor; 402. Microcontroller; 403. Battery; 404. Motor drive module; 405. Switch; 406. Speed ​​fine-tuning knob. Detailed Implementation

[0033] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0034] See Figures 1 to 3 As shown;

[0035] This embodiment provides a semi-automatic traveling device for welding rail vehicles. The semi-automatic traveling device is capable of moving along the welding trajectory of the sidewall 10 and roof 20 of the rail vehicle. The semi-automatic traveling device includes:

[0036] The main body of the device 1 is divided into a first main body 101 and a second main body 102 at a certain angle to each other. The first main body 101 is parallel to the side wall 10 of the rail vehicle, and the second main body 102 is parallel to the roof 20 of the rail vehicle.

[0037] The traveling assembly is integrated into the first main body 101 and moves on the upper part of the side wall 10 of the rail vehicle;

[0038] The bottom surface of the second body 102 has auxiliary wheels 303 that can move on the surface of the roof 20 of the rail vehicle;

[0039] The second main body 102 is provided with a welding torch holder 2, and the welding torch head 201 is supported on the welding torch holder 2, with the welding end of the welding torch head 201 facing the weld.

[0040] Specifically, this embodiment discloses a semi-automatic traveling device for welding rail vehicles. It mainly utilizes the principle that the roof drainage ditch is parallel to the weld seam, using the drainage ditch as a track. The device travels along the side wall 10, moving parallel to the drainage ditch. The traveling components are integrated into the first main body 101 of the device body 1, enabling the device to move. The welding torch head 201 is supported and fixed by the welding torch bracket 2 on the second main body 102. As the device moves along the drainage ditch, welding can be performed on the weld seam using the welding torch.

[0041] Preferably, in this embodiment, a roof drainage ditch is formed between the side wall 10 and the roof 20, and the roof drainage ditch is parallel to the weld.

[0042] Preferably, in this embodiment, the outer side of the first main body 101 of the device main body 1 is provided with an upper cover 103, and the upper cover 103 has a motor 401 inside;

[0043] The traveling assembly includes a drive wheel 301 and a driven wheel 302 that are slidably engaged with the upper end of the side wall 10, and both the drive wheel 301 and the driven wheel 302 are configured as V-shaped pulleys that engage with the upper end of the side wall 10.

[0044] The output end of the motor 401 is connected to the drive wheel 301 to drive the drive wheel 301 to rotate.

[0045] Secondly, in this embodiment, the second main body 102 is provided with an auxiliary wheel 303 near the front edge.

[0046] In order to control the motor 401 to work through the microcontroller 402, the first main body 101 of the device main body 1 in this embodiment integrates the microcontroller 402 and the battery 403. The microcontroller 402 is a Espressif ESP32 microcontroller.

[0047] A motor drive module 404 is connected to the motor 401 and the microcontroller 402. The motor drive module 404 is a model L298N motor drive module.

[0048] More preferably, the motor drive module 404 in this embodiment is equipped with a speed fine-tuning knob 406 and a switch 405.

[0049] In this embodiment, a drive assembly is integrated between the main body 1 and the upper cover 103, including a motor 401, a microcontroller 402, and a motor drive module 404; the specific selection is as described above. The microcontroller 402 drives the motor 401 through the motor drive module 404. The motor 401 drives the drive wheel 301 to rotate, thereby driving the driven wheel 302 and the auxiliary wheel 303 to move synchronously to complete the walking operation. In this embodiment, the motor 401 can be controlled by a speed fine-tuning knob 406 and a switch 405 to control the switch and speed.

[0050] Preferably, in this embodiment, the upper end of the welding torch holder 2 is formed with an inclined surface, and the welding torch head 201 is supported and fixed on the inclined surface of the welding torch holder 2 and its head is kept inclined and extended downward through the inclined surface.

[0051] In the above technical solution, the semi-automatic traveling device for welding rail vehicles provided by this utility model has the following beneficial effects:

[0052] The semi-automatic traveling device of this utility model effectively improves the conditions for manual welding, not only increasing welding efficiency and reducing labor intensity, but also improving welding quality. It can assist according to the set traveling frequency and welding torch swing trajectory, and reduces manufacturing costs compared to fully automatic welding equipment.

[0053] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A semi-automatic walking device for welding of a rail vehicle, characterized in that, The semi-automatic walking device can move along the welding track of the side wall (10) and the roof (20) of the rail vehicle, and the semi-automatic walking device comprises: A device body (1) is divided into a first body (101) and a second body (102) at a certain angle, the first body (101) is parallel to the side wall (10) of the rail vehicle, and the second body (102) is parallel to the roof (20) of the rail vehicle; A walking assembly is integrated in the first body (101) and moves on the upper end of the side wall (10) of the rail vehicle; The bottom surface of the second body (102) is provided with an auxiliary wheel (303) moving on the surface of the roof (20) of the rail vehicle; The second body (102) is provided with a welding gun bracket (2), and a welding gun head (201) is supported on the welding gun bracket (2), and the welding end of the welding gun head (201) faces the weld.

2. The semi-automatic walking device for welding of a rail vehicle according to claim 1, characterized in that, A roof gutter is formed between the side wall (10) and the roof (20), and the roof gutter is parallel to the weld.

3. The semi-automatic walking device for welding of a rail vehicle according to claim 1, characterized in that, The outer side of the first body (101) of the device body (1) is provided with an upper cover (103), and the inside of the upper cover (103) is provided with a motor (401); The walking assembly comprises a driving wheel (301) and a driven wheel (302) which are both in sliding fit with the upper end of the side wall (10), and the driving wheel (301) and the driven wheel (302) are both configured as V-shaped pulleys which are in fit with the upper end of the side wall (10); The output end of the motor (401) is connected with the driving wheel (301) to drive the driving wheel (301) to rotate.

4. The semi-automatic walking device for welding of a railway vehicle according to claim 1, characterized in that, The auxiliary wheel (303) is arranged at a position close to the front side edge of the second body (102).

5. The semi-automatic walking device for welding of a railway vehicle according to claim 3, characterized in that, The first body (101) of the device body (1) is integrated with a single-chip microcomputer (402) and a battery (403), and the single-chip microcomputer (402) is selected as a type of Loxxin ESP32 single-chip microcomputer. A motor driving module (404) is connected with the motor (401) and the single-chip microcomputer (402), and the motor driving module (404) is selected as a type of L298N motor driving module.

6. The semi-automatic walking device for welding of a rail vehicle according to claim 5, characterized in that, The motor driving module (404) is configured with a speed fine-tuning knob (406) and a switch (405).

7. The semi-automatic walking device for welding of a railway vehicle according to claim 1, characterized in that, The upper end of the welding gun bracket (2) is formed with an inclined surface, and the welding gun head (201) is supported and fixed on the inclined surface of the welding gun bracket (2) and keeps its gun head extending downwardly inclined through the inclined surface.

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