Welding device for assembling mining dump truck carriage

By designing a welding device for mining dump truck bodies, which employs a support frame, hydraulic grippers, and self-locking screws, the problem of inaccurate positioning in existing equipment has been solved, enabling efficient and safe welding operations.

CN223932928UActive Publication Date: 2026-02-24NANTONG EVIA EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520593564.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-24
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The existing welding equipment for mining dump truck bodies lacks a component positioning and fixing structure, which requires manual calibration of distances by stringing, which is time-consuming, labor-intensive, and prone to deviation.

Method used

A welding device was designed, comprising a support frame, hydraulic grippers, a distance gauge, a welding host, and bolts. The support frame is constructed from square tubing and equipped with six welding torch supports. The device utilizes a motor connected to a lead screw and is equipped with bolts featuring self-locking characteristics and a spring power source to achieve precise positioning and rapid fixing.

Benefits of technology

It improves welding accuracy and efficiency, reduces the time and effort required for manual operation, and ensures the safety and stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a welding device for assembling a carriage of a mining dump truck, and relates to the technical field of welding for assembling the carriage of the mining dump truck, the welding device comprises a bearing frame, a hydraulic clamping jaw, a distance scale, a welding main machine and a second bolt, the hydraulic clamping jaw, a first adjusting block, a second adjusting block, a lead screw and a motor are arranged above the bearing frame, a welding main machine is arranged on the left side of the bearing frame, a guide frame, a distance measuring frame, a distance ruler, a first bolt and a second bolt are arranged on the side face of the welding main machine, the equipment is clamped in a groove of the guide frame through the second bolt and can be rapidly locked through the second bolt after the distance measuring frame rotates to a proper position, and the adjusting efficiency of the equipment is guaranteed; the distance ruler is slidably connected to the side face of the distance measuring frame, the graduated scale is arranged on the side face of the distance measuring frame, the distance of the beam can be better determined during welding, and welding accuracy is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of welding technology for assembling mining dump truck bodies, specifically a welding device for assembling mining dump truck bodies. Background Technology

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature, or high pressure. It is a common connection method, especially in the assembly of mining dump truck bodies. However, existing truck body welding equipment has some shortcomings, such as:

[0003] The welding equipment for dump truck bodies described in application number CN202322574976.7 lacks a component positioning and fixing structure. During use, the distance needs to be calibrated manually by pulling a string, which is not only time-consuming and labor-intensive, but also prone to deviation due to the lack of clamping and fixing. Utility Model Content

[0004] The purpose of this utility model is to provide a welding device for assembling the body of a mining dump truck, so as to solve the problem mentioned in the background art that the existing equipment on the market does not have a component positioning and fixing structure. During use, the distance needs to be calibrated manually by pulling a line, which is not only time-consuming and labor-intensive, but also prone to certain deviations due to the lack of clamping and fixing.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a welding device for assembling the body of a mining dump truck, comprising a support frame, hydraulic grippers, a distance gauge, a welding host, and a second bolt;

[0006] The support frame is equipped with hydraulic grippers, a first adjusting block, a second adjusting block, a lead screw, and a motor. A welding host is located on the left side of the support frame, and a guide frame, a distance measuring frame, a distance ruler, a first bolt, and a second bolt are located on the side of the welding host.

[0007] As a preferred technical solution of this utility model, the welding host is fixedly connected to the center line on the left side of the support frame, and six welding gun supports are stacked on the left and right sides of the welding host. The support frame is a frame structure and is made of square tubes.

[0008] Using the above technical solution, the equipment uses square tubes to form a support frame, which can reduce the overall weight of the equipment while ensuring the structural strength of the equipment. Meanwhile, six welding gun supports are stacked on the left and right sides of the welding host, which can provide sufficient placement positions for welding guns and ensure the flexibility of the operation.

[0009] As a preferred technical solution of this utility model, a motor is fixedly connected to the right side of the support frame, and the output shaft of the motor is fixedly connected to the lead screw on the left side. The lead screw is horizontally positioned at the center line of the support frame.

[0010] By adopting the above technical solution, the equipment can minimize the number of power transmission layers by fixing the output shaft on the left side of the motor to the lead screw, thus ensuring the working accuracy and efficiency of the equipment. In addition, the lead screw has a self-locking characteristic, which can prevent the equipment from losing its supporting force after failure, thus preventing personnel safety issues.

[0011] As a preferred technical solution of this utility model, a first adjusting block is mounted on the right side of the lead screw, and an extension connecting rod is rotatably connected to the side of the first adjusting block. There are four extension connecting rods evenly distributed on both sides of the first adjusting block. A second adjusting block is rotatably connected to the outer side of the extension connecting rod. There are two symmetrically distributed second adjusting blocks. The extension connecting rod is rotatably connected to the support frame.

[0012] By adopting the above technical solution, the device can expand and contract the second adjusting block by evenly distributing four extension rods on both sides of the first adjusting block and changing the distance between the first adjusting block, thereby ensuring the device's support and fixation capabilities.

[0013] As a preferred technical solution of this utility model, the support frame is fixedly connected to the guide frame on the side, a pair of guide grooves are opened in parallel on the side of the guide frame, the guide frame is slidably connected to the distance measuring frame on the side, the distance measuring frame is slidably connected to the distance measuring ruler on the side, and a scale is provided on the side of the distance measuring frame. The distance measuring ruler is rotatably connected to the side of the first bolt, and the distance measuring frame is rotatably connected to the outside of the second bolt, which is engaged in the groove of the guide frame.

[0014] Using the above technical solution, the device can be quickly locked after the measuring frame is rotated to the appropriate position by the second bolt, which is engaged in the guide frame groove, thus ensuring the adjustment efficiency of the device. The measuring frame is slidably connected to the distance ruler on the side, and the measuring frame is equipped with a scale ruler on the side, which can better determine the distance of the crossbeam during welding and ensure the accuracy of welding.

[0015] As a preferred technical solution of this utility model, the two sides of the rangefinder are slidably connected with second bolts. The surface of the second bolts is not provided with a thread structure, and springs are fitted on the side of the second bolts. There are two second bolts in total, which are symmetrically distributed.

[0016] By adopting the above technical solution, the device uses a spring as a power source to provide a certain pressure to the second bolt, which can effectively improve the fixing efficiency of the device. Moreover, its simple structure can effectively ensure the stability of the device fixing.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. The equipment uses square tubes to form a support frame, which can reduce the overall weight of the equipment while ensuring the structural strength of the equipment. The welding host has six fixed welding gun supports stacked on the left and right sides, which can provide enough welding gun placement positions for welding operations and ensure operational flexibility.

[0019] 2. The device is fixedly connected to the lead screw via the output shaft on the left side of the motor, which can minimize the number of power transmission stages, ensure the working accuracy and efficiency of the equipment, and the lead screw has a self-locking feature to prevent the loss of support after equipment failure, thus preventing personnel safety issues.

[0020] 3. This device uses four extension rods evenly distributed on both sides of the first adjustment block to extend and retract the second adjustment block by changing the distance between the first adjustment block, thus ensuring the support and fixation capacity of the device.

[0021] 4. The device can be quickly locked in the guide frame groove by the second bolt after the distance measuring frame is rotated to the appropriate position, ensuring the adjustment efficiency of the device. The distance measuring frame is slidably connected to the distance measuring ruler on the side, and the distance measuring frame is equipped with a scale, which can better determine the distance of the crossbeam during welding and ensure the accuracy of welding.

[0022] 5. This device uses a spring as a power source to provide a certain pressure to the second bolt, which can effectively improve the fixing efficiency of the device. Moreover, its simple structure can effectively ensure the stability of the device fixing. Attached Figure Description

[0023] Figure 1 This is a side view of the structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the support frame and welding host structure of this utility model;

[0025] Figure 3 This is a top view of the structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the guide frame and distance measuring frame structure of this utility model;

[0027] Figure 5 This is a side view of the distance measuring frame structure of this utility model;

[0028] Figure 6 This is a schematic diagram of the support frame and guide frame structure of this utility model;

[0029] Figure 7 This is a schematic diagram of the spring and the second bolt structure in Embodiment 2 of this utility model.

[0030] In the diagram: 1. Bearing frame; 2. Hydraulic gripper; 3. Distance gauge; 4. Welding main unit; 5. Extension connecting rod; 6. First adjusting block; 7. Second adjusting block; 8. Guide frame; 9. Motor; 10. Distance measuring frame; 11. Lead screw; 12. First bolt; 13. Second bolt; 14. Spring. Detailed Implementation

[0031] 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.

[0032] Please see Figure 1 - Figure 7 The present invention provides a welding device for assembling the cargo box of a mining dump truck.

[0033] Example 1

[0034] For details, please refer to the following: Figure 1 - Figure 6 It includes a support frame 1, a hydraulic gripper 2, a distance gauge 3, a welding host 4, an extension connecting rod 5, a first adjusting block 6, a second adjusting block 7, a guide frame 8, a motor 9, a distance measuring frame 10, a lead screw 11, a first bolt 12, and a second bolt 13;

[0035] Hydraulic grippers 2, a first adjusting block 6, a second adjusting block 7, a lead screw 11, and a motor 9 are installed on top of the support frame 1. The welding host 4 is fixedly connected to the center line on the left side of the support frame 1. Six welding torch supports are stacked on both sides of the welding host 4. The support frame 1 is a frame structure made of square tubing. This square tubing structure reduces the overall weight of the equipment while maintaining structural strength. The six welding torch supports on both sides of the welding host 4 provide sufficient placement space for welding torches, ensuring operational flexibility. A welding torch is located on the left side of the support frame 1. The main unit 4 and the support frame 1 are fixedly connected to the right side of the motor 9. The output shaft of the motor 9 is fixedly connected to the lead screw 11 on the left side. The lead screw 11 is horizontally positioned at the center line of the support frame 1. This device can minimize the power transmission layers by fixing the output shaft of the motor 9 to the lead screw 11, ensuring the working accuracy and efficiency of the equipment. In addition, the lead screw 11 has a self-locking characteristic to prevent the loss of support after equipment failure, which could lead to personnel safety issues. The welding main unit 4 is equipped with a guide frame 8, a distance measuring frame 10, a distance ruler 3, a first bolt 12 and a second bolt 13 on its side. The lead screw 11 is fitted with a first adjusting block 6 on its right side. The first adjusting block 6 is rotatably connected to the extension link 5. Four extension links 5 are evenly distributed on both sides of the first adjusting block 6. Two second adjusting blocks 7 are rotatably connected to the outer side of the extension link 5. The extension link 5 is rotatably connected to the support frame 1. This device allows the second adjusting block 7 to expand and contract by changing the distance between the first adjusting block 6 and the four extension links 5 evenly distributed on both sides of the first adjusting block 6, thus ensuring the support and fixation capacity of the equipment. The support frame 1 is fixedly connected to the side of the guide frame 8. A pair of parallel guide grooves are opened on the side of the guide frame 8. The side of the guide frame 8 is slidably connected to the rangefinder frame 10. The distance measuring frame 10 is slidably connected to the distance measuring ruler 3 on its side, and a scale is provided on the side of the distance measuring frame 10. The distance measuring ruler 3 is rotatably connected to the side of the first bolt 12, and the distance measuring frame 10 is rotatably connected to the outside of the second bolt 13, which is engaged in the groove of the guide frame 8. The device can be quickly locked after the distance measuring frame 10 is rotated to the appropriate position by the second bolt 13, ensuring the adjustment efficiency of the device. The distance measuring frame 10 is slidably connected to the distance measuring ruler 3 on its side, and the scale is provided on the side of the distance measuring frame 10, which can better determine the distance of the crossbeam during welding and ensure the accuracy of welding.

[0036] Example 2

[0037] For details, please refer to the following: Figure 7 The difference between this embodiment and embodiment one is that: the second bolts 13 are slidably connected on both sides of the rangefinder 10, the surface of the second bolts 13 is not provided with a thread structure, and the side of the second bolts 13 is fitted with springs 14, and there are two second bolts 13 in a symmetrical distribution;

[0038] The device uses spring 14 as a power source to provide a certain pressure to the second bolt 13, which can effectively improve the fixing efficiency of the device. Moreover, its simple structure can effectively ensure the stability of the device fixing.

[0039] Working principle: When using a welding device for assembling mining dump truck bodies, the main beam is first placed on the support frame 1. Then, the equipment is started, and the motor 9 and lead screw 11 drive the first adjusting block 6 to unfold the second adjusting block 7 through the extension connecting rod 5 so that it contacts one side of the main beam. The other end is clamped inward by the hydraulic gripper 2, fixing both sides of the main beam. Then, a crossbeam is placed on top of the main beam, and the measuring frame 10 is lifted and fixed by the second bolt 13. The distance measuring ruler 3 is then moved to a suitable distance and fixed by the first bolt 12. Then, the crossbeam and the distance measuring ruler 3 are tightly attached, and the welding operation is completed manually by the welding gun connected to the welding host 4.

[0040] This completes a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0041] 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 body of a mining dump truck, comprising a support frame (1), hydraulic grippers (2), a spacer (3), a welding host (4), and a second bolt (13); Its features are: The support frame (1) is equipped with a hydraulic gripper (2), a first adjusting block (6), a second adjusting block (7), a lead screw (11) and a motor (9). The support frame (1) is equipped with a welding host (4) on the left side. The welding host (4) is equipped with a guide frame (8), a distance measuring frame (10), a distance ruler (3), a first bolt (12) and a second bolt (13) on the side.

2. The welding device for assembling the body of a mining dump truck according to claim 1, characterized in that, The welding host (4) is fixedly connected to the center line on the left side of the support frame (1). Six welding gun supports are stacked on the left and right sides of the welding host (4). The support frame (1) is a frame structure and is made of square tubes.

3. The welding device for assembling the body of a mining dump truck according to claim 2, characterized in that, The motor (9) is fixedly connected to the right side of the support frame (1), and the output shaft of the motor (9) is fixedly connected to the lead screw (11) on the left side. The lead screw (11) is horizontally positioned at the center line of the support frame (1).

4. The welding device for assembling the body of a mining dump truck according to claim 3, characterized in that, The lead screw (11) is fitted with a first adjusting block (6) on its right side. The first adjusting block (6) is rotatably connected to an extension link (5) on its side. There are four extension links (5) evenly distributed on both sides of the first adjusting block (6). The extension link (5) is rotatably connected to a second adjusting block (7) on its outer side. There are two second adjusting blocks (7) symmetrically distributed. The extension link (5) is rotatably connected to a support frame (1).

5. A welding device for assembling the body of a mining dump truck according to claim 4, characterized in that, The support frame (1) is fixedly connected to the guide frame (8) on its side. A pair of guide grooves are opened parallel to each other on the side of the guide frame (8). The guide frame (8) is slidably connected to the distance measuring frame (10) on its side. The distance measuring frame (10) is slidably connected to the distance measuring ruler (3) on its side. A scale is set on the side of the distance measuring frame (10). The distance measuring ruler (3) is rotatably connected to the first bolt (12) on its side. The distance measuring frame (10) is rotatably connected to the outside of the second bolt (13), and the second bolt (13) is engaged in the groove of the guide frame (8).

6. The welding device for assembling the body of a mining dump truck according to claim 1, characterized in that, The rangefinder (10) is slidably connected to the two sides of the second bolt (13). The surface of the second bolt (13) is not threaded, and the side of the second bolt (13) is fitted with a spring (14). There are two second bolts (13) in total, which are symmetrically distributed.

Citation Information

Patent Citations

  • Dumper carriage welding instrument

    CN220902314U