Welding equipment for gaseous hazardous article storage tank production

Abstract

The invention discloses welding equipment for gaseous hazardous article storage tank production, which comprises a pushing piece adapted to different storage tank inner diameters, a first abutting piece which abuts against the inner wall of a storage tank under the pushing of the pushing piece is arranged on the pushing piece, a synchronous piece is arranged on the first abutting piece, a second abutting piece which abuts against the outer side of the storage tank is arranged on the synchronous piece, and the first abutting piece and the second abutting piece are matched with each other. When the first abutting piece is adjusted through the synchronizing piece, the second abutting piece is synchronously adjusted. Through vertical-line-shaped distribution of multiple sets of mounting blocks in the abutting piece and elastic connection of a spring telescopic rod, a rotating column is rotated to drive a third mounting block to move through a stud, then the distance between a first abutting wheel and a second abutting wheel is flexibly adjusted, the device can adapt to ring cylinders with different lengths without disassembling components, the adaptation range is wider, and the adaptability is higher. And the first abutting wheel and the second abutting wheel abut against the upper annular cylinder and the lower annular cylinder correspondingly, positioning constraint can be formed in the axial direction of the annular cylinders, and dislocation of the annular cylinders during welding is avoided.

Description

Technical Field

[0001] This invention relates to the field of storage tank production equipment technology, specifically a welding equipment for the production of gaseous hazardous materials storage tanks. Background Technology

[0002] Gaseous hazardous materials storage tanks are critical facilities used to store flammable, explosive, toxic, or corrosive gases. Their core function is to ensure long-term stable storage of gases and eliminate the risk of leakage. Welding of gaseous hazardous materials storage tanks is a core process that determines the structural strength and sealing performance of the tank. In specific welding operations, preliminary preparations are usually completed first. The steel plates used for the tank are pre-treated, and then individual plates are spliced ​​into ring cylinders of a predetermined size, i.e., a single ring of tank wall. At this stage, the focus is on welding the longitudinal seams of the ring cylinders. After multiple sets of ring cylinders of the same specifications are manufactured and inspected and qualified, the ring cylinders are assembled in sequence from bottom to top, and the circumferential seams are welded.

[0003] Chinese patent CN221560256U discloses a welding equipment for non-standard storage tanks. Its structure includes a support plate, a drive assembly, an adjustment assembly, an arc-shaped groove, a dust extraction assembly, moving wheels, and a welding device. When welding non-standard storage tanks, an installed telescopic component moves the welding device closer to the tank for welding. The adjustment assembly moves a guide block in a guide groove, which in turn moves a mounting plate, allowing adjustment of the angle of the welding device on one side of the mounting plate. This facilitates welding at multiple locations on the non-standard storage tank. The drive assembly moves a connected mounting block, which in turn moves the welding device mounted on one end of the telescopic component, allowing adjustment of the welding device's height. This height adjustment enables welding of non-standard storage tanks at different heights, increasing the welding speed.

[0004] However, the above-mentioned existing technologies have the following shortcomings: during use, they are not flexible enough to adapt to different specifications of ring cylinders, and during the ring cylinder assembly and welding stage, they lack effective axial positioning constraints on the upper and lower ring cylinders. During the welding process, misalignment is likely to occur due to the lack of stable positioning of the ring cylinders, which will damage the continuity and consistency of the weld and increase the subsequent repair costs. Summary of the Invention

[0005] The purpose of this invention is to address the problems of poor adaptability to different specifications of ring cylinders during use, lack of effective axial positioning constraints on the upper and lower ring cylinders during the ring cylinder assembly and welding stage, and the tendency for misalignment to occur during welding due to the lack of stable positioning of the ring cylinders, which disrupts the continuity and consistency of the weld and increases subsequent repair costs. The invention provides a welding equipment for the production of gaseous hazardous materials storage tanks.

[0006] To achieve the above object, the present invention provides the following technical solutions: A welding device for the production of gaseous dangerous goods storage tanks, comprising: a pushing member adapted to different inner diameters of the storage tanks, a first abutting member disposed on the pushing member and abutting against the inner wall of the storage tank under the push of the pushing member, a synchronizing member disposed on the first abutting member, and a second abutting member disposed on the synchronizing member and abutting against the outside of the storage tank. When the first abutting member is adjusted through the synchronizing member, the second abutting member is synchronously adjusted;

[0007] The first abutting member includes a first mounting block. A stud penetrates and connects through the top end of the first mounting block. A rotating column is fixedly connected to the top end of the stud. The outer circumferential surface of the rotating column is rotatably connected to a second mounting block. A third mounting block is threadedly connected to the outer side of the stud. A first spring telescopic rod is fixedly connected to the top end of the first mounting block. One end of the first spring telescopic rod is fixedly connected to the bottom end of the second mounting block. A second spring telescopic rod is fixedly connected to the bottom end of the first mounting block. One end of the second spring telescopic rod is fixedly connected to the top end of the third mounting block;

[0008] Among them, when the rotating column is rotated, the stud rotates synchronously, driving the third mounting block threadedly connected to the stud to move up and down along its axis. At this time, the second spring telescopic rod deforms and pulls the first mounting block to move towards the third mounting block, changing the distance between the two. At the same time, the first spring telescopic rod adaptively deforms with the movement of the first mounting block, and finally makes the first mounting block always in the middle position between the second mounting block and the third mounting block.

[0009] As a further solution of the present invention: The second mounting block (24), the first mounting block (21), and the third mounting block (26) are distributed in an "I" shape from top to bottom. One end of the second mounting block is fixedly connected to a first abutting wheel. One end of the third mounting block is fixedly connected to a second abutting wheel. A welding torch is fixedly connected to one side of the first mounting block.

[0010] As a further solution of the present invention: The second abutting member also includes a first mounting block, a stud, a rotating column, a second mounting block, a first abutting wheel, a third mounting block, a second abutting wheel, a welding torch, a first spring telescopic rod, and a second spring telescopic rod.

[0011] As a further solution of the present invention: The pushing member includes a second push column threadedly connected to the first mounting block. A first push column is slidably inserted into the side end of the second push column. One end of the first push column is threadedly connected to a connecting platform.

[0012] As a further solution of the present invention: An installation groove one is provided on the end face of the first push column. An installation groove two is provided on the end face of the second push column. A separation spring is fixedly connected inside the installation groove one. One end of the separation spring is fixedly connected to the installation groove two.

[0013] As a further solution of the present invention: A limiting ring is fixedly connected to the outer side of the first push column, and the limiting ring is sleeved on the outer side of the second push column. A locking ring is threadedly connected to the outer side of the second push column, and the locking ring is arranged on the side of the limiting ring facing the connecting platform and abuts against the limiting ring.

[0014] As a further solution of the present invention: The synchronizing member includes a connecting frame fixedly connected to the outer cylindrical surface of the rotating column in the first abutting member. One end of the connecting frame penetrates through the rotating column in the second abutting member and is rotatably connected thereto.

[0015] As a further solution of the present invention: A first bevel gear is fixedly connected to the outer cylindrical surface of the rotating column in the first abutting member, and a second bevel gear is fixedly connected to the end surface of the rotating column in the second abutting member, and the first bevel gear and the second bevel gear are adapted to each other.

[0016] As a further solution of the present invention: A rotating ring groove is formed on the outer cylindrical surface of the rotating column in the first abutting member, and a blocking block is rotatably connected in the rotating ring groove, and the blocking block is arranged above the first bevel gear.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] 1. In the present invention, through the sliding plug-in design of the push column of the pushing member, combined with the separating spring in the installation groove, the spring is compressed and蓄力 in the initial state. During adjustment, only the locking ring needs to be rotated to release the spring force, and the second push column is pushed to drive the first abutting member to approach the inner wall of the storage tank, without manual pushing force, which is more labor-saving. At the same time, the abutting cooperation between the limiting ring and the locking ring can quickly fix the length of the push column after adjustment, avoid the loosening of the abutting due to the telescopic movement of the push column during welding, ensure the stability of the abutting between the first abutting member and the inner wall, and the threaded connection structure between the second push column and the first mounting block can be finely adjusted after being pushed by the spring to accurately adjust the position of the first abutting member, ensure that the welding torch can accurately align with the ring peaks of the two sets of ring cylinders at the horizontal height, lay a positioning foundation for high-quality welding, and there is no need to replace the pushing components when adapting to storage tanks with different inner diameters, with stronger versatility;

[0019] 2. In the present invention, through the I-shaped distribution of multiple mounting blocks in the abutting member, combined with the elastic connection of the spring telescopic rod, rotating the rotating column can drive the third mounting block to move through the stud, thereby flexibly adjusting the distance between the first abutting wheel and the second abutting wheel, and it is possible to adapt to ring cylinders of different lengths without disassembling components, with a wider adaptation range. Moreover, the first abutting wheel and the second abutting wheel respectively abut against the upper and lower ring cylinders, which can form a positioning constraint from the axial direction of the ring cylinder, avoid the dislocation of the ring cylinder during welding. At the same time, the first abutting member corresponds to the inner wall of the storage tank, and the second abutting member corresponds to the outer wall. The two abutting members form an internal and external symmetrical abutting, which can offset the radial force during welding, prevent the deformation of the storage tank wall due to uneven stress, and the welding torch on the first mounting block is synchronized with the abutting member for positioning, ensuring that the welding path always fits the ring peak, effectively improving the accuracy and firmness of welding;

[0020] 3. In this invention, through the meshing transmission structure of bevel gear one and bevel gear two of the synchronizing component, when rotating the rotating column of abutment part one, it can directly drive the rotating column of abutment part two to rotate synchronously, so that the distance between the abutment wheels of the two sets of abutment parts can be adjusted synchronously without the need to operate the two sets of abutment parts separately, reducing adjustment steps, greatly improving adjustment efficiency, and avoiding the problem of mismatch between the inner and outer abutment wheel distances caused by individual adjustment. At the same time, the connecting frame passes through the two sets of rotating columns, which not only ensures the structural rigidity of abutment part one and abutment part two, preventing misalignment of the two sets of components during adjustment or rotation, but also provides a stable axis for the rotation of abutment part two. In addition, the stop block in the rotating ring groove can restrict the rotation of abutment part two during the adjustment stage, ensuring that the two sets of abutment parts remain in a vertical state, which facilitates precise adjustment of the abutment wheel distance. After the adjustment is completed, the restriction can be released by rotating the stop block, easily realizing the switching from vertical to horizontal state, taking into account both the accuracy of adjustment and the flexibility of use. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall welding state in this invention;

[0022] Figure 2 This is a schematic diagram of the overall structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the pusher in this invention;

[0024] Figure 4 In this invention Figure 3 A schematic diagram of the structure at point A;

[0025] Figure 5 This is a schematic diagram of the structure of the abutment member one in this invention;

[0026] Figure 6 In this invention Figure 5 A schematic diagram of the structure at point B;

[0027] Figure 7 This is a schematic diagram of the synchronization component in this invention;

[0028] Figure 8 In this invention Figure 7 A schematic diagram of the structure at point C.

[0029] In the diagram: 1. Pushing component; 11. Pushing column one; 12. Pushing column two; 13. Mounting groove one; 14. Mounting groove two; 15. Limiting ring; 16. Locking ring; 17. Separation spring; 18. Connecting platform; 2. Abutting component one; 21. Mounting block one; 22. Stud; 23. Rotating column; 24. Mounting block two; 25. Abutting wheel one; 26. Mounting block three; 27. Abutting wheel two; 28. Welding torch; 29. ​​Spring telescopic rod one; 210. Spring telescopic rod two; 3. Synchronizing component; 31. Bevel gear one; 32. Connecting frame; 33. Bevel gear two; 34. Rotating ring groove; 35. Stop block; 4. Abutting component two. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this invention, it should be noted that unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," and "set up" 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; and they can refer to the internal communication of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. The following describes embodiments of the invention based on its overall structure.

[0032] Reference Figures 1 to 2 In this embodiment of the invention, a welding device for producing gaseous hazardous materials storage tanks includes: a pusher 1 adapted to different inner diameters of storage tanks; a first abutment 2 on the pusher 1 that abuts against the inner wall of the storage tank under the push of the pusher 1; a synchronizing element 3 on the first abutment 2; and a second abutment 4 on the synchronizing element 3 that abuts against the outer side of the storage tank. The second abutment 4 is adjusted synchronously when the first abutment 2 is adjusted by the synchronizing element 3.

[0033] Reference Figures 3 to 4 The pushing component 1 includes a pusher column 11, a pusher column 2 12, a connecting platform 18, a separation spring 17, a limiting ring 15, and a locking ring 16. All components are made of high-strength alloy steel to meet the load-bearing and vibration-resistant requirements of welding gaseous hazardous materials storage tanks. Pusher column 11 is a hollow cylindrical structure, with its inner cavity and the outer surface of pusher column 2 12 using a high-precision sliding fit to ensure that pusher column 2 12 can slide smoothly along the inner cavity of pusher column 11 without radial offset. A connecting column is fixedly connected to one end of pusher column 11. A connecting hole is opened on the outer surface of the connecting platform 18, and the connecting column is threaded into the connecting hole. A circular mounting groove 11 is opened on the end face of pusher column 11 facing pusher column 2 12. 3. The end face of push post 2 12 facing push post 11 has a mounting groove 2 14 coaxial with mounting groove 13. The dimensions of both are identical. The two ends of the release spring 17 are respectively fixed to the bottom of mounting groove 13 and mounting groove 2 14 by circumferential welding, ensuring that the spring axis coincides with the push post axis when under force, avoiding jamming caused by uneven load. A limiting ring 15 is fixed to the outer side of push post 11 near push post 2 12 by circumferential welding. The outer diameter of the limiting ring 15 is larger than that of push post 11, and its inner hole is clearance-fitted with the outer circular surface of push post 2 12, both fitting push post 2 12 and limiting its maximum extension. The outer circular surface of push post 2 12 is machined with external threads. Adapted to the fine internal thread of the locking ring 16, a connecting post is fixedly connected to one end of the push post 12. A connecting hole is provided on the mounting block 21 of the abutment part 2, and the connecting post is threadedly connected to the connecting hole. In the initial state, the push post 12 is fully inserted into the inner cavity of the push post 11, and the release spring 17 is compressed into the mounting groove 13 and mounting groove 2 14. The locking ring 16 is close to the side of the limiting ring 15 facing the connecting platform 18. At this time, the locking ring 16 is rotated according to the thread direction, so that the locking ring 16 moves slowly towards the connecting platform 18 along the external thread of the push post 12. As the distance between the locking ring 16 and the limiting ring 15 gradually increases, the axial constraint of the release spring 17 is released. The pusher 12 slowly recovers its original length, thereby generating a continuous axial thrust that pushes the pusher 12 along the inner cavity of the pusher 11 toward the abutment 2. During the extension of the pusher 12, its end drives the mounting block 21 connected to it to move closer to the inner wall of the tank until the abutment wheel 25 and abutment wheel 27 of the abutment 2 initially contact the inner wall of the tank. At this time, the locking ring 16 stops rotating. When entering the welding stage, the connecting table 18 is slowly rotated. Since the four sets of abutment parts are evenly distributed on the outer surface of the connecting table 18, the rotation of the connecting table 18 will drive the four sets of abutment parts to rotate synchronously around the central axis of the connecting table 18, ensuring that the welding torch 28 moves at a constant speed along the annular seam of the ring cylinder.

[0034] The above solution employs a sliding plug-in structure for the pusher component 1, coupled with a pre-compressed separation spring 17 within the mounting slot. During adjustment, only the locking ring 16 needs to be rotated to release the spring thrust, eliminating the need for manual pushing of the pusher component 12. This significantly reduces operational intensity and makes the process of bringing the abutment component 2 closer to the inner wall of the storage tank more effortless and efficient. The fine-threaded engagement between the limiting ring 15 and the locking ring 16 allows for quick locking of the axial position of the pusher component, effectively preventing the pusher component from extending or retracting due to vibration or external force during welding. This ensures the stability of the abutment component 2 against the inner wall of the storage tank and prevents the welding torch 28 from deviating from the circumferential weld trajectory. The telescopic design of the pusher component eliminates the need to replace any parts of the pusher component 1. Simply adjusting the extension length of the pusher component allows for adaptation to gaseous hazardous material storage tanks with different inner diameters, greatly improving the versatility of the device and reducing equipment replacement frequency and costs.

[0035] Reference Figure 5The abutment component 2 includes mounting block 21, stud 22, rotating column 23, mounting block 24, abutment wheel 25, mounting block 3, abutment wheel 27, welding torch 28, spring telescopic rod 1 29, and spring telescopic rod 210. Mounting block 21 has a through hole at its top, with a smooth inner wall, allowing the stud 22 to pass through and slide slightly along the hole's axial direction. The top of the stud 22 is fixedly connected to the rotating column 23 by argon arc welding. The outer surface of the rotating column 23 is rotatably connected to mounting block 24 via an embedded deep groove ball bearing. The inner ring of the bearing has an interference fit with the rotating column 23, and the outer ring has a transition fit with the mounting hole of mounting block 24, ensuring no circumferential displacement of mounting block 24 when the rotating column 23 rotates. Mounting block 24 has the same structure as mounting block 3 26. The center of mounting block 26 has an internal fine-threaded hole that matches the stud 22, ensuring that mounting block 26 can move smoothly axially when the stud 22 rotates. Mounting blocks 24, 1, and 3 are arranged in a vertical 1 / 1" shape. The top and bottom of mounting block 1 are respectively fixed to spring telescopic rod 1 29 and spring telescopic rod 210 by bolts. The two sets of telescopic rods have the same structure, consisting of an outer sleeve, an inner rod, and a return spring. One end of the inner rod extends into the outer sleeve and is fixed to the spring, while the other end is bolted to the bottom of mounting block 24 or the top of mounting block 3 26. The spring is initially in a compressed state. The end of mounting block 24 away from the stud 22 is fixed to abutment wheel 25 by a pin, and the corresponding end of mounting block 3 26 is similarly connected to abutment wheel 25. 7. Both sets of abutment wheels are the same size, and the wheel surfaces are polished to ensure a tight fit with the tank annular wall while avoiding scratches on the outer wall of the annular wall. The side of mounting block 1 21 facing the annular seam is fixedly connected to the welding gun 28 via a bracket. The components of abutment part 2 4 are the same as those of abutment part 1 2, except that the installation direction is adapted to the outer wall of the tank: its mounting blocks 2 24, 1 21, and 3 26 are also arranged in a 1 / 4 shape. Abutment wheel 1 25 and abutment wheel 2 27 face the outer wall of the tank, and the welding gun 28 is aligned with the annular seam on the outer wall side to ensure that a symmetrical welding and abutment structure is formed with abutment part 1 2. When the pushing part 1 moves abutment part 1 2 initially close to the inner wall of the tank, it is necessary to adjust the abutment wheel spacing of abutment part 1 2 to match the height of the annular wall. First, rotate the wheel clockwise or counterclockwise. The moving column 23 drives the fixed stud 22 to rotate synchronously. Since the stud 22 and the mounting block 26 are connected by fine-pitch threads, and the mounting block 26 is constrained axially by the spring telescopic rod 210 and cannot rotate circumferentially with the stud 22, the rotation of the stud 22 is converted into the up-and-down movement of the mounting block 26 along the axial direction of the stud 22. When the mounting block 26 moves, the spring telescopic rod 210 connected to its top end deforms accordingly, generating an axial force to pull or push the mounting block 21 to move synchronously, causing the distance between the mounting block 21 and the mounting block 26 to gradually change. At the same time, the spring telescopic rod 29 at the top of the mounting block 21 deforms synchronously with the movement of the mounting block 21. Since the mounting block 24 is rotatably connected to the moving column 23 through a bearing and has no circumferential displacement,The elastic force of the first telescopic spring rod 29 always keeps the first mounting block 21 in the middle position between the second mounting block 24 and the third mounting block 26. Continuously rotate the rotating column 23 until the first abutting wheel 25 closely fits the inner wall of the upper annular cylinder, the second abutting wheel 27 closely fits the inner wall of the lower annular cylinder, and align the nozzle of the welding torch 28 with the circumferential seam. The adjustment steps of the second abutting member 4 are exactly the same as those of the first abutting member 2: under the driving action of the synchronizing member 3, when the rotating column 23 of the first abutting member 2 rotates, the rotating column 23 of the second abutting member 4 rotates synchronously, and its internal stud 22, the third mounting block 26 and other components repeat the above actions.

[0036] Adopting the above scheme: through the I-shaped vertical distribution of the second mounting block 24, the first mounting block 21, and the third mounting block 26, the first abutting wheel 25 and the second abutting wheel 27 can correspond to the upper and lower groups of annular cylinders, forming an axial positioning constraint, avoiding the up and down misalignment of the annular cylinder during welding, ensuring that the circumferential seam is always within the welding range of the welding torch 28. Through the fine thread of the stud 22 and the cooperation with the third mounting block 26, the adjustment of the distance between the abutting wheels is realized, and different height annular cylinders within the range can be adapted without disassembling any components, greatly improving the adaptation range of the device. Through the elastic connection of the first telescopic spring rod 29 and the second telescopic spring rod 210, the first mounting block 21 always automatically maintains the middle position between the second mounting block 24 and the third mounting block 26, improving the welding positioning accuracy. Through the completely identical component design of the second abutting member 4 and the first abutting member 2, the two abutting members can form an internally and externally symmetric abutting structure, which can offset the radial reaction force generated by the welding torch 28 during welding, prevent the deformation of the storage tank wall due to uneven stress, and improve the structural sealing of the storage tank after welding.

[0037] Refer to Figures 6 to 8Synchronizing component 3 includes bevel gear 1 31, connecting frame 32, bevel gear 2 33, rotating ring groove 34, and stop block 35. The connecting frame 32 is U-shaped, with one end fixedly connected to the outer surface of the rotating column 23 in abutting component 1 2 via argon arc welding. The other end has a smooth cylindrical section that penetrates the rotating column 23 in abutting component 2 4. The two components are clearance-fitted, and a miniature deep groove ball bearing is embedded at the penetration point, allowing abutting component 2 4 to rotate smoothly around the connecting frame 32 without jamming or radial offset. The outer surface of the rotating column 23 in abutting component 1 2 is fixed to bevel gear 1 31 via a flat key. Bevel gear 1 31 is a straight bevel gear. The rotating column 23 in abutting component 2 4... The end face of the moving column 23, facing the bevel gear 31, is also connected and fixed to the bevel gear 33 via a flat key. The module, number of teeth, and tooth width of the bevel gear 33 are exactly the same as those of the bevel gear 31, ensuring that the transmission ratio is 1:1 when they mesh, achieving synchronous rotation. The outer circular surface of the rotating column 23 in the abutment part 2 has an annular rotating groove 34 with polished walls. The inner side of the stop block 35 is embedded in the rotating groove 34 and can rotate along the groove. In the initial state, the extended end of the stop block 35 just abuts against the top of the bevel gear 33, and the rotation of the abutment part 4 is restricted by mechanical limiting. In the initial state, the abutment part 2 and the abutment part 4 are perpendicularly distributed. The first abutment 2 faces the inner wall of the tank, and the second abutment 4 faces the outer side of the tank. This ensures that the second abutment 4 does not interfere with the positioning of the first abutment 2 during the adjustment phase. When the rotating column 23 in the first abutment 2 is rotated, the rotating column 23 drives the bevel gear 31 on its outer surface to rotate synchronously. Since the bevel gear 31 meshes with the second bevel gear 33, the rotation of the bevel gear 31 is transmitted to the second bevel gear 33 through the tooth surface, which drives the rotating column 23 in the second abutment 4 to rotate synchronously. This causes the stud 22, mounting block 26, and other components inside the second abutment 4 to repeat the adjustment action of the first abutment 2, realizing the synchronous change of the distance between the two sets of abutment wheel abutments without the need for separate operation. After the distance between the abutting wheels of the abutting parts 2 and 4 is adjusted, the stop block 35 is rotated along the rotating ring groove 34 until the stop block 35 is completely moved out of the top of the bevel gear 33, thus releasing the rotation restriction of the abutting part 4 by the stop block 35. Then, with the axis of the through hole of the rotating column 23 in the connecting frame 32 and the abutting part 4 as the rotation center, the abutting part 4 is slowly rotated towards the abutting part 2. When the abutting part 4 rotates to be completely parallel to the abutting part 2, the rotation is stopped. At this time, the abutting wheels 25 and 27 of the abutting part 4 are just tightly attached to the corresponding ring cylinders on the outer wall of the storage tank, completing the state switching of the two sets of abutting parts.

[0038] The above solution is adopted: through the meshing transmission structure of bevel gear 31 and bevel gear 33 in the synchronizing component 3, when rotating the rotating column 23 of the abutment component 2, it can directly drive the rotating column 23 of the abutment component 4 to rotate synchronously, so that the distance between the abutment wheels of the two sets of abutment components can be adjusted synchronously without lag, without the need to operate the two sets of abutment components separately, improving the efficiency of adapting to different ring cylinder sizes, while avoiding the problem of mismatch between the inner and outer abutment wheel distances caused by separate adjustment, ensuring that the welding paths of the inner and outer sides of the welding torch 28 are consistent. Through the rigid straight rod design and bearing cooperation structure of the connecting frame 32, the structure between the abutment component 2 and the abutment component 4 is guaranteed. The rigidity provides a stable rotation axis for the state switching of the second abutment 4, reducing the coaxiality of the second abutment 4 when it changes from vertical to parallel, thus improving the abutment accuracy. Through the mechanical limiting cooperation between the rotating annular groove 34 and the stop block 35, the rotation of the second abutment 4 can be firmly restricted during the adjustment stage, ensuring that the first bevel gear 31 and the second bevel gear 33 always remain meshed, ensuring the reliability of synchronous adjustment. After the adjustment is completed, the restriction can be released simply by rotating the stop block 35. The operation is simple and convenient, taking into account both the stability of the adjustment stage and the flexibility of the use stage, and is suitable for the dual requirements of operational safety and accuracy when welding gaseous hazardous material storage tanks.

[0039] The working principle of this invention is as follows: When in use, the entire device is first placed inside two stacked ring cylinders. Initially, pusher 2 12 is fully inserted into pusher 1 11, and the separation spring 17 is in a compressed, stored state. At this time, the locking ring 16 on the outside of pusher 2 12 is rotated using a tool, causing the locking ring 16 to slowly move towards the connecting platform 18. As the contact constraint between the locking ring 16 and the limiting ring 15 gradually dissipates, the compressed separation spring 17 begins to slowly return to its original length, thereby pushing pusher 2 12 to extend towards the abutment part 2. During the extension of pusher 2 12, the mounting block 21, which is threadedly connected to it, moves synchronously closer to the inner wall of the tank until the abutment wheel 25 and abutment wheel 27 in the abutment part 2 initially contact the inner wall of the tank. At this point, rotation and locking are stopped. Ring 16, then first use a tool to rotate the rotating column 23 in the abutment part 1 2. The rotating column 23 drives the stud 22 fixedly connected to it to rotate synchronously. Since the stud 22 and the mounting block 3 26 are threadedly connected, and the mounting block 3 26 is constrained by the overall structure of the abutment part and cannot rotate with the stud 22, the rotation of the stud 22 is converted into the up and down movement of the mounting block 3 26 along the axial direction of the stud 22. When the mounting block 3 26 moves, the spring telescopic rod 210 fixed at its top deforms accordingly and pulls the mounting block 1 21 to move synchronously towards the mounting block 3 26, so that the distance between the mounting block 1 21 and the mounting block 3 26 gradually changes. At the same time, since the mounting block 2 24 and the rotating column 23 are rotatably connected and their positions are relatively fixed, the spring telescopic rod 210 at the top of the mounting block 1 21... 9 also adapts to the movement of mounting block 21. During this process, the mounting block 21 that fixes the welding torch 28 is always at the same distance from mounting block 26 and mounting block 24, until the abutment wheel 25 at one end of mounting block 24 tightly abuts against the outer wall of the upper ring cylinder, and the abutment wheel 27 at one end of mounting block 26 tightly abuts against the outer wall of the lower ring cylinder. The welding torch 28 is aligned with the annular seam between the two sets of ring cylinders. At this time, the rotation of the rotating column 23 is stopped, and the adjustment of the abutment wheel distance of the abutment part 2 is completed. Since the bevel gear 31 fixed on the outer circular surface of the rotating column 23 in the abutment part 2 is in a meshing state with the bevel gear 33 fixed on the end face of the rotating column 23 in the abutment part 2, and the connecting frame 32 passes through the two sets of rotating columns 23 to ensure structural synchronization, the abutment part 2 is adjusted. During the rotation of the rotating column 23 in the first contact part 2, the first bevel gear 31 rotates synchronously with the rotating column 23, and drives the second bevel gear 33 to rotate through meshing transmission. This causes the rotating column 23 in the second contact part 4 to rotate synchronously. After the rotating column 23 in the second contact part 4 rotates, the internal components such as the stud 22 and the mounting block 26 repeat the adjustment process of the first contact part 2, driving the first abutment wheel 25 and the second abutment wheel 27 of the second contact part 4 to adjust their distance until the distance between the two sets of abutment wheels is matched with that of the first contact part 2. Synchronous adjustment is achieved without the need for additional separate operation of the second contact part 4. Afterwards, the stop block 35 in the rotating annular groove 34 of the first contact part 2 is rotated, and the stop block 35 is moved out from above the second bevel gear 33, releasing the restriction of the stop block 35 on the rotation of the second contact part 4.Then, with the axis of the through hole of the rotating column 23 in the connecting frame 32 and the second abutment 4 as the rotation center, the second abutment 4 is slowly rotated, so that the second abutment 4 gradually changes from a state perpendicular to the first abutment 2 to a parallel state, until the first abutment wheel 25 and the second abutment wheel 27 in the second abutment 4 are tightly abutting against the outer wall of the storage tank and corresponding to the abutment wheel on the inner wall side. At this time, the rotation is stopped, completing the state switching of the two sets of abutment parts. Finally, the connecting platform 18 is slowly rotated. Since the four sets of abutment parts are evenly distributed on the outer circular surface of the connecting platform 18, the rotation of the connecting platform 18 drives the four sets of abutment parts to rotate synchronously around the central axis of the connecting platform 18. During the rotation of the abutment parts, the first abutment wheel 25 and the second abutment wheel 27 always roll in contact with the inner and outer walls of the storage tank, ensuring that the welding torch 2 The welding end of 8 is always aligned with the peaks of the two sets of annular cylinders. As the connecting platform 18 continues to rotate, the welding torch 28 moves at a constant speed along the peak trajectory to complete the welding operation of the entire annular cylinder interface. If loosening of the connection is found during the welding process, the rotation can be paused, and the locking ring 16 or the distance between the abutment wheels can be finely adjusted to ensure welding stability. Through the sliding insertion design of the push column of the pusher 1, combined with the separation spring 17 in the mounting groove, the spring is compressed and stored in the initial state. During adjustment, only the locking ring 16 needs to be rotated to release the spring force, pushing the push column 2 12 to bring the abutment 1 2 closer to the inner wall of the storage tank. There is no need to push manually, making the operation more labor-saving. At the same time, the abutment cooperation between the limiting ring 15 and the locking ring 16 can quickly fix the length of the push column after adjustment, avoiding loosening of the connection caused by the extension and retraction of the push column during welding. To ensure the stability of the contact part 12 against the inner wall, and the threaded connection between the push column 22 and the mounting block 21, fine-tuning can be performed after the spring push, precisely adjusting the position of the contact part 12. This ensures that the welding torch 28 can accurately align with the horizontal height of the two sets of ring peaks, laying a positioning foundation for high-quality welding. When adapting to storage tanks with different inner diameters, there is no need to replace the pushing component, making it more versatile. Through the 1 / 4-shaped distribution of multiple mounting blocks in the contact part, combined with the elastic connection of the spring telescopic rod, rotating the rotating column 23 can drive the mounting block 26 to move via the stud 22, thereby flexibly adjusting the distance between the contact wheel 1 25 and the contact wheel 2 27. It can adapt to ring cylinders of different lengths without disassembling the components, making it more adaptable. Furthermore, the contact wheel 1 25 and the contact wheel 2 27 respectively abut against the upper and lower ring cylinders. This system provides axial positioning constraints for the ring cylinder, preventing misalignment during welding. Simultaneously, the first abutment (2) corresponds to the inner wall of the tank, and the second abutment (4) corresponds to the outer wall. The two sets of abutments form a symmetrical inner and outer contact, offsetting radial forces during welding and preventing deformation of the tank wall due to uneven stress. Furthermore, the welding torch (28) on the mounting block (21) is positioned synchronously with the abutments, ensuring the welding path always aligns with the ring peak, effectively improving welding accuracy and strength. Through the meshing transmission structure of bevel gears (31 and 33) in the synchronizing element (3), rotating the rotating column (23) of the first abutment (2) directly drives the rotating column (23) of the second abutment (4) to rotate synchronously, allowing for synchronous adjustment of the abutment wheel distance between the two sets of abutments. This eliminates the need to operate the two sets of abutments separately, reducing adjustment steps and significantly improving adjustment efficiency.To avoid mismatches in the spacing between the inner and outer abutment wheels caused by individual adjustments, the connecting frame 32 runs through both sets of rotating columns 23. This ensures the structural rigidity of abutment part 1 2 and abutment part 2 4, preventing misalignment during adjustment or rotation. It also provides a stable axis for the rotation of abutment part 2 4. Furthermore, the stop block 35 within the rotating annular groove 34 restricts the rotation of abutment part 2 4 during adjustment, ensuring the two sets of abutment parts remain perpendicular. This facilitates precise adjustment of the abutment wheel spacing. After adjustment, rotating the stop block 35 releases the restriction, easily switching between vertical and horizontal states, thus balancing adjustment precision and operational flexibility.

[0040] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A welding apparatus for gaseous dangerous goods tank production, comprising: The application discloses a pushing piece (1) suitable for different inner diameters of storage tanks, characterized in that the pushing piece (1) is provided with an abutting piece one (2) which abuts against the inner wall of the storage tank under the pushing of the pushing piece (1), the abutting piece one (2) is provided with a synchronous piece (3), the synchronous piece (3) is provided with an abutting piece two (4) which abuts against the outer side of the storage tank, and the abutting piece two (4) is synchronously adjusted when the abutting piece one (2) is adjusted through the synchronous piece (3). The abutting piece one (2) comprises a mounting block one (21), a threaded stud (22) is connected at the top of the mounting block one (21), a rotating column (23) is fixedly connected to the top of the threaded stud (22), a mounting block two (24) is rotatably connected to the outer circular surface of the rotating column (23), a mounting block three (26) is threadedly connected to the outer side of the threaded stud (22), a spring telescopic rod one (29) is fixedly connected to the top of the mounting block one (21), one end of the spring telescopic rod one (29) is fixedly connected to the bottom of the mounting block two (24), and a spring telescopic rod two (210) is fixedly connected to the bottom of the mounting block one (21), one end of the spring telescopic rod two (210) is fixedly connected to the top of the mounting block three (26). When the rotating column (23) is rotated, the threaded stud (22) is synchronously rotated, the mounting block three (26) which is threadedly connected to the threaded stud (22) is driven to move up and down along the axial direction of the mounting block three (26), at this time, the spring telescopic rod two (210) is deformed to drive the mounting block one (21) to move towards the mounting block three (26), so that the distance between the mounting block one (21) and the mounting block three (26) is changed, and the spring telescopic rod one (29) is adaptively deformed along with the movement of the mounting block one (21), so that the mounting block one (21) is always located in the middle position of the mounting block two (24) and the mounting block three (26).

2. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 1, characterized by The mounting block two (24), the mounting block one (21) and the mounting block three (26) are arranged in an I-shaped distribution from top to bottom, one end of the mounting block two (24) is fixedly connected to an abutting wheel one (25), one end of the mounting block three (26) is fixedly connected to an abutting wheel two (27), and one side of the mounting block one (21) is fixedly connected to a welding gun (28).

3. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 2, characterized by The abutting piece two (4) also comprises the mounting block one (21), the threaded stud (22), the rotating column (23), the mounting block two (24), the abutting wheel one (25), the mounting block three (26), the abutting wheel two (27), the welding gun (28), the spring telescopic rod one (29) and the spring telescopic rod two (210).

4. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 3, characterized by The pushing piece (1) comprises a pushing column two (12) which is threadedly connected to the mounting block one (21), a pushing column one (11) is slidably inserted into the side end of the pushing column two (12), and one end of the pushing column one (11) is threadedly connected to a connecting table (18).

5. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 4, characterized by An installation groove one (13) is formed in the end face of the pushing column one (11), an installation groove two (14) is formed in the end face of the pushing column two (12), and a separation spring (17) is fixedly connected in the installation groove one (13), and one end of the separation spring (17) is fixedly connected to the installation groove two (14).

6. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 5, wherein The push column one (11) is fixedly connected with a limiting ring (15) outside, the limiting ring (15) is sleeved on the outside of the push column two (12), the push column two (12) is threadedly connected with a locking ring (16) outside, and the locking ring (16) is arranged on the side of the limiting ring (15) towards the connecting table (18) and abuts against the limiting ring (15).

7. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 6, characterized by The synchronizing part (3) comprises a connecting frame (32) fixedly connected with the outer circular surface of the rotating column (23) in the abutting part one (2), one end of the connecting frame (32) penetrates the rotating column (23) in the abutting part two (4) and is rotationally connected with the rotating column (23).

8. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 7, characterized by The rotating column (23) in the abutting part one (2) is fixedly connected with a bevel gear one (31) on the outer circular surface, the rotating column (23) in the abutting part two (4) is fixedly connected with a bevel gear two (33) on the end face, and the bevel gear one (31) and the bevel gear two (33) are matched.

9. The welding apparatus for producing a gaseous dangerous substance storage tank according to claim 8, wherein The rotating column (23) in the abutting part one (2) is provided with a rotating ring groove (34) on the outer circular surface, the rotating ring groove (34) is rotationally connected with a stop block (35) inside, and the stop block (35) is arranged above the bevel gear one (31).

Images