Cargo compartment door welding platform capable of achieving rapid butt joint

By designing a cargo box door welding platform that can be quickly docked, and utilizing a sliding support frame structure and fixing components, the problems of inflexible welding position and large storage space occupation are solved, achieving flexible welding and space saving.

CN223734070UActive Publication Date: 2025-12-30SHANDONG CHENGFENG CONSTR MASCH CO LTD
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Patent Information

Application Number
CN202520646071.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2025-12-30
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

The existing welding platform is an integrated fixed structure, and the electrode plate cannot be adjusted, resulting in an inflexible welding position and occupying a large amount of storage space when not in use.

Method used

A cargo box door welding platform with rapid docking capability was designed. Through the sliding structure of the first and second support frames, combined with docking and fixing components, the position adjustment of the electrode plate and the folding and storage of the device can be realized.

Benefits of technology

It improves the flexibility of welding positions, saves storage space, and enhances the ease of use of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cargo compartment door welding platform capable of achieving quick butt joint, and relates to the technical field of welding platforms, the cargo compartment door welding platform comprises a top welding platform, an electrode plate is installed on the inner side of the top welding platform through an installation piece, and the top welding platform is composed of a first supporting frame and a second supporting frame which slide relative to each other. The two supporting frames are relatively fixed through the butt joint assembly, and the installation piece is installed between the two supporting frames through the lap joint groove and the fixing assembly. According to the cargo compartment door welding platform capable of achieving rapid butt joint, through the arrangement of the first supporting frame, the second supporting frame and the butt joint assembly, stable resistance welding work can be conducted on the top welding platform, folding storage can be conducted through relative sliding of the two supporting frames, and therefore the storage space of the device when the device is idle is saved; and through cooperation of the lap joint groove and the fixing assembly, the mounting piece is movably mounted between the two supporting frames, so that the welding position of the cargo compartment door plate is conveniently adjusted, and the using flexibility of the device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of welding platform technology, specifically a cargo box door welding platform that can be quickly connected. Background Technology

[0002] Traditional freight car bodies can be divided into open-top cars, doorless cars, and fully enclosed cars. Among them, fully enclosed cars are less affected by weather changes such as wind and rain, which can effectively prevent the cargo from falling or being lost. They are also equipped with doors that can be opened to facilitate the loading or unloading of cargo, making them widely applicable. Cargo car doors are usually made by welding, and welding is usually done by ordinary electric welding, that is, by spot welding with welding rods.

[0003] However, the cargo door panels welded using the above method often have pits or protrusions at the welded areas, with weld slag nearby, affecting the appearance. Furthermore, the welding quality of this method is closely related to the welder's skill level, making it suitable only for small-batch production. For professional manufacturers operating on assembly lines, not only are labor costs high, but the welding quality cannot be guaranteed to be consistent. To overcome these shortcomings, existing technology (Chinese patent application number 202322619182.8, application date 2023-09-26) provides a welding method that can achieve a smooth appearance for cargo door panels. The tooling, with its baffles, allows the door frame of the cargo box door panel to rest against these baffles, accurately positioning the welding position of the cargo box door. Furthermore, the copper electrode plates enable rapid resistance welding, resulting in a smooth welded surface and significantly improved appearance, facilitating the mass production of cargo box door panels. However, the aforementioned welding platform is an integrated, fixed structure, and the electrode plates cannot be adjusted, resulting in a fixed welding position for the cargo box door panel. This makes it inflexible in use and inconvenient to store when not in use, occupying a significant amount of storage space.

[0004] To address the aforementioned issues, there is an urgent need for innovative design based on existing equipment. Therefore, we have proposed a cargo box door welding platform that can quickly connect to solve these problems. Utility Model Content

[0005] The purpose of this utility model is to provide a cargo box door welding platform that can be quickly connected, so as to solve the problem that the welding platform mentioned in the background art is an integrated fixed structure, and the electrode plate on it cannot be adjusted in position, resulting in a fixed welding position for the cargo box door panel, which is not flexible in use, and is not easy to store when not in use, thus occupying a large storage space.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cargo box door welding platform capable of rapid docking, comprising a top welding platform, wherein the edges of the top welding platform are formed with retaining edges, and an electrode plate is mounted on the inner side of the top welding platform via an mounting component; the top welding platform is composed of a first support frame and a second support frame that slide relative to each other, and the first support frame and the second support frame are relatively fixed by a docking assembly, the docking assembly including a slider fixedly connected to one side of the end wall of the second support frame, and the slider slidably connected to the outer side of the top and bottom crossbars of the first support frame, wherein the first... One end of a support frame is fixedly connected to four corners with fixed rods, and the outer sides of the fixed rods on the same side are slidably connected to a sliding member. The top and bottom of one side of the sliding member extend out of a protruding plate and are fixedly connected to a locking block. The locking block near the second support frame is inserted into the inner side of the slider. A spring is fixedly connected between the sliding member and the end face of the second support frame. The top crossbars of the first and second support frames are provided with overlapping grooves, and the two ends of the mounting member slide through the inner side of the overlapping groove. The mounting member is relatively fixed to the overlapping groove by a fixing component to facilitate adjustment of the welding position of the cargo box door panel.

[0007] Preferably, the top and bottom crossbars of the first and second support frames are formed into L-shaped structures that fit and slide together, and the top and bottom structures are mirror images of each other to achieve the longitudinal anti-detachment effect of the first and second support frames. The side wall of the second support frame is formed with a sealing member to achieve the lateral anti-detachment effect of the first and second support frames.

[0008] Preferably, a handle is fixedly connected to the middle of the end wall of the slider, so that the two locking blocks can be simultaneously disengaged from the slider by moving the slider outward through the handle.

[0009] Preferably, one end of the mounting component is fixedly connected to a limiting block, and the limiting block is engaged with the outer end of the overlapping groove, and notches are formed on both sides of the limiting block.

[0010] Preferably, the fixing component includes a support plate fixedly connected to the flange and the top of the second support frame. The inner side of the support plate is threaded with a threaded rod, and the bottom end of the threaded rod is threaded with a movable plate. The inner side of the movable plate is inserted with a plurality of locking rods, and the locking rods are correspondingly inserted into the inner side of each mounting component.

[0011] Preferably, the movable plate is formed with a slot composed of a number of continuous circular holes, and the locking rod is inserted into the inner side of one of the circular holes to fix the position of the locking rod.

[0012] Preferably, casters are fixedly installed on both sides of the bottom end of the first support frame and the second support frame, and the casters have a self-braking function, thereby realizing convenient movement and fixation of the entire device.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the cargo box door welding platform that can be quickly docked can perform stable resistance welding on the top welding platform by setting the first support frame, the second support frame and the docking component, and can be folded and stored by the relative sliding of the two support frames, thereby saving storage space when the device is idle; by the cooperation of the overlapping groove and the fixing component, the mounting part can be installed between the two support frames to adjust the welding position of the cargo box door panel and increase the flexibility of the device. The specific contents are as follows: (1) By setting the docking component, the first support frame and the second support frame are relatively fixed so that the cargo box door panel can be stably resisted welded on the top welding platform by the electrode plate, and only by pulling the sliding part outward to make the locking block disengage from the slider, the first support frame and the second support frame can slide relative to each other, and the two support frames can be stably folded and stored, thereby effectively saving storage space when the device is idle.

[0014] (2) The top and bottom crossbars of the first support frame and the second support frame are formed into an L-shaped structure that fits and slides together, and the top and bottom structures are mirrored, which can achieve the longitudinal anti-detachment effect of the first support frame and the second support frame. The lateral anti-detachment effect of the first support frame and the second support frame can be achieved through the sealing parts on the side wall of the second support frame.

[0015] (3) By using the overlapping groove and the fixed component, the mounting part can be securely positioned between the two support frames. When adjusting the position of the mounting part and the electrode plate, simply pull the lever upwards to move the plate. At this time, the limiting effect of the lever is lost, and the mounting part can be moved along the overlapping groove. When it is moved to the required position, the lever can be reinserted into the mounting part through the moving plate.

[0016] (4) When the first support frame and the second support frame are folded up, the mounting parts and electrode plates need to be removed. The threaded rod can be rotated to make it rise along the support plate. The moving plate and the locking rod move synchronously. In this way, all the locking rods can be pulled out of the mounting parts together. Then the mounting parts can be directly pulled out of the lap groove from one end of the limiting block. Attached Figure Description

[0017] Figure 1 This is a front view of the overall structure of this utility model;

[0018] Figure 2 This is a top view of the overall structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the first support frame of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the second support frame of this utility model;

[0021] Figure 5 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0022] Figure 6 This is a schematic diagram of the structure of the sliding component of this utility model;

[0023] Figure 7 This is a partially exploded structural diagram of the present invention;

[0024] Figure 8 This is a schematic diagram of the structure of the two support frames of this utility model when they are folded up.

[0025] In the diagram: 1. Top welding platform; 2. Edge retaining wall; 3. Mounting component; 4. Electrode plate; 5. First support frame; 6. Second support frame; 7. Sealing component; 8. Slider; 9. Fixing rod; 10. Sliding component; 11. Locking block; 12. Spring; 13. Overlap groove; 14. Limiting block; 15. Support plate; 16. Threaded rod; 17. Moving plate; 18. Locking rod; 19. Caster. Detailed Implementation

[0026] 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.

[0027] Example 1: Please refer to Figures 1-8This utility model provides the following technical solution: a cargo box door welding platform that can be quickly connected, including a top welding platform 1, with retaining edges 2 formed on both sides of the top welding platform 1, and an electrode plate 4 installed on the inner side of the top welding platform 1 through a mounting component 3; the top welding platform 1 is composed of a first support frame 5 and a second support frame 6 that slide relative to each other, wherein the top and bottom crossbars of the first support frame 5 and the second support frame 6 are formed into an L-shaped structure that slides and interlocks, and the top and bottom structures are mirror-distributed to achieve a longitudinal anti-detachment effect of the first support frame 5 and the second support frame 6; the side wall of the second support frame 6 is formed with a sealing component 7 to achieve the effect of the first support frame 5 and the second support frame 6 in preventing the doors from detaching. The support frame 6 has a lateral anti-detachment effect, and the first support frame 5 and the second support frame 6 are relatively fixed by a docking assembly. The docking assembly includes a slider 8 fixedly connected to one side of the end wall of the second support frame 6, and the slider 8 is slidably connected to the outside of the top and bottom crossbars of the first support frame 5. The four corners of one end of the first support frame 5 are fixedly connected to a fixing rod 9, and the outside of the fixing rod 9 on the same side is slidably connected to a sliding member 10. The top and bottom of one side of the sliding member 10 extend out of a protrusion plate and are fixedly connected to a locking block 11. The locking block 11 near the second support frame 6 is inserted into the inside of the slider 8. A spring 12 is fixedly connected between the sliding member 10 and the end face of the second support frame 6.

[0028] In use, the spring 12 pulls the locking block 11 to securely insert it into the slider 8, thus fixing the first support frame 5 and the second support frame 6 relative to each other. This allows for stable resistance welding of the cargo door panel on the top welding platform 1 using the electrode plate 4. Since a handle is fixedly connected to the middle of the end wall of the sliding member 10, the two locking blocks 11 can be simultaneously disengaged from the slider 8 by moving the sliding member 10 outward with the handle. The first support frame 5 and the second support frame 6 can then slide relative to each other. At this time, the second support frame 6 can be pushed into the interior of the first support frame 5, and the locking block 11 that is away from the second support frame 6 can be re-inserted into the slider 8. This allows the first support frame 5 and the second support frame 6 to be stably folded and stored, effectively saving storage space when the device is not in use.

[0029] Example 2: Based on Example 1, the top crossbars of the first support frame 5 and the second support frame 6 are both provided with overlapping grooves 13, and both ends of the mounting part 3 slide through the inner side of the overlapping groove 13. The mounting part 3 is relatively fixed to the overlapping groove 13 by the fixing component to facilitate the adjustment of the welding position of the cargo box door panel. One end of the mounting part 3 is fixedly connected to a limiting block 14, and the limiting block 14 is snapped into the outer end of the overlapping groove 13. The limiting block 14 has notches formed on both sides. By setting the limiting block 14, one end of the mounting part 3 can be fixed. With the cooperation of the fixing component, the mounting part 3 can be relatively limited and fixed inside the overlapping groove 13. The notches on both sides of the limiting block 14 make it easy for the user to remove the entire mounting part 3 by pinching the notches with their fingers.

[0030] Meanwhile, the fixing assembly includes a support plate 15 fixedly connected to the top of the retaining edge 2 and the second support frame 6. A threaded rod 16 is threadedly connected to the inner side of the support plate 15, and a movable plate 17 is threadedly connected to the bottom end of the threaded rod 16. Several locking rods 18 are inserted into the inner side of the movable plate 17, and each locking rod 18 is correspondingly inserted into the inner side of each mounting component 3. The movable plate 17 has a slot formed by several consecutive circular holes, and the locking rod 18 is inserted into the inner side of one of the circular holes to fix its position. Thus, through the insertion of the locking rod 18 into the mounting component 3 and its cooperation with the limiting block 14, the mounting component 3 can be securely limited to the inner side of the overlapping groove 13. Furthermore, during adjustment... When positioning the mounting component 3 and electrode plate 4, simply pull the locking rod 18 upwards out of the moving plate 17. At this point, the limiting effect of the locking rod 18 is lost, and the mounting component 3 can be moved along the overlapping groove 13. When it is moved to the required position, the locking rod 18 can be reinserted into the mounting component 3 through the moving plate 17. When the mounting component 3 and electrode plate 4 need to be removed during the folding of the first support frame 5 and the second support frame 6, the threaded rod 16 can be rotated to make it rise along the support plate 15. The moving plate 17 and locking rod 18 move synchronously, so that all the locking rods 18 can be released upwards together from the mounting component 3. Then, by pinching the notch of the limiting block 14, the mounting component 3 can be directly pulled out from one end of the overlapping groove 13.

[0031] In addition, casters 19 are fixedly installed on both sides of the bottom end of the first support frame 5 and the second support frame 6, and the casters 19 have a self-braking function, thereby realizing the convenient movement and fixation of the entire device.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A quick-docking cargo compartment door welding platform, comprising a top welding platform (1), the edges of the top welding platform (1) are formed with a stop edge (2), and the inner side of the top welding platform (1) is provided with an electrode plate (4) through a mounting piece (3); characterized in that the top welding platform (1) is composed of a first support frame (5) and a second support frame (6) that slide relative to each other, and the two support frames are fixed relative to each other through a docking assembly, the docking assembly comprises a sliding block (8) connected to the end wall of the second support frame (6), one end of the first support frame (5) is connected with a plurality of fixing rods (9), the outer side of the fixing rod (9) is provided with a sliding piece (10), one side of the sliding piece (10) is connected with a clamping block (11), and the clamping block (11) is inserted into the inner side of the sliding block (8), a spring (12) is connected between the sliding piece (10) and the second support frame (6); the top cross bars of the first support frame (5) and the second support frame (6) are provided with overlapping grooves (13), and the mounting piece (3) is movably mounted between the two support frames through the overlapping grooves (13) and a fixing assembly, so as to adjust the welding position of the cargo compartment door plate.

2. The rapidly dockable cargo bay door welding platform of claim 1, wherein: the top end and the bottom cross bar of the first support frame (5) and the second support frame (6) are formed as an L-shaped structure that can be embedded and slid, and the top end and the bottom end structures are mirror image distributed, and the side wall of the second support frame (6) is formed with a blocking piece (7).

3. The rapidly dockable cargo bay door welding platform of claim 1, wherein: the middle part of the end wall of the sliding piece (10) is fixedly connected with a handle, so as to move the sliding piece (10) through the handle.

4. The rapidly dockable cargo bay door welding platform of claim 1, wherein: one end of the mounting piece (3) is fixedly connected with a limiting block (14), the limiting block (14) is clamped to the outer end of the overlapping groove (13), and the two sides of the limiting block (14) are formed with notches.

5. The rapidly dockable cargo bay door welding platform of claim 4, wherein: the fixing assembly comprises a support plate (15) fixedly connected to the stop edge (2) and the top end of the second support frame (6), the inner side of the support plate (15) is threadedly connected with a threaded rod (16), the bottom end of the threaded rod (16) is threadedly connected with a moving plate (17), the inner side of the moving plate (17) is inserted with a plurality of clamping rods (18), and the clamping rods (18) are correspondingly inserted into the inner side of each mounting piece (3).

6. The rapidly dockable cargo bay door welding platform of claim 5, wherein: the moving plate (17) is formed with a clamping groove composed of a plurality of continuous round holes, and the clamping rods (18) are inserted into the inner side of one of the round holes.

7. The rapidly dockable cargo bay door welding platform of claim 5, wherein: the bottom ends of the first support frame (5) and the second support frame (6) are fixedly provided with casters (19), and the casters (19) have a self-braking function.

Citation Information

Patent Citations

  • Welding tool capable of achieving flatness of welding appearance of cargo compartment door plate

    CN220921220U