Welding auxiliary device for shipbuilding
By combining the design of the pushing mechanism, the extension structure and the clamping plate, the problem of vibration and displacement in the welding of large ship workpieces by traditional clamping mechanisms is solved, achieving high-quality and stable welding results and improving the adaptability and reliability of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional clamping mechanisms are difficult to accurately and securely hold large, irregular ship parts. They are prone to vibration and displacement during welding, which affects welding quality and ship safety. Furthermore, they are not flexible enough to adapt to complex environments.
The device employs a combination design of a pushing mechanism, an extension structure, a walking mechanism, and a clamping plate. Driven by hydraulic cylinders and oil cylinders, it enables flexible movement of the device, adjustment of the clamping plate spacing, and stable clamping, ensuring workpiece stability.
It improves welding quality and stability, reduces workpiece vibration and displacement, enhances the overall performance and safety of ship workpieces, and strengthens the versatility and adaptability of the equipment.
Smart Images

Figure CN224088309U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to shipbuilding technical field especially relates to a welding auxiliary device for shipbuilding. BACKGROUND
[0002] In the field of shipbuilding, cutting and welding of large workpieces are extremely critical and complex process links. These large workpieces not only have large volume and heavy weight, but also have very high requirements for welding quality. Traditional clamping mechanisms often expose many deficiencies when dealing with such large workpieces.
[0003] Due to the irregular shape and complex structure of large ship workpieces, traditional clamping mechanisms are difficult to accurately and stably clamp the welding parts. During the welding process, the workpiece will be subjected to various forces, such as thermal stress and arc force during welding. These forces can easily cause the workpiece to vibrate and shift. Once vibration and shift occur, the precision and quality of welding will be greatly compromised, which may lead to uneven welds, insufficient welding strength, and other problems, seriously affecting the overall performance and safety of the ship.
[0004] In addition, the working environment of shipbuilding is usually complex and harsh, and the traditional clamping mechanism is not flexible enough in moving and adjusting position, which is difficult to adapt to different welding scenes and space limitations. To solve the above problems, we propose a welding auxiliary device for shipbuilding. SUMMARY
[0005] The utility model aims at solving the shortcomings in the prior art and provides a welding auxiliary device for shipbuilding.
[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A welding auxiliary device for shipbuilding, comprising a bearing frame, a pushing mechanism is installed on one side of the bearing frame, one end of the pushing mechanism is rotatably connected with an expansion structure, both ends of the expansion structure are slidably connected with support blocks, one end of the two support blocks is slidably connected to one side of the bearing frame, walking mechanisms are fixed on both sides of the lower end of the support block, a bearing block is rotatably connected to the upper end of the support block, a support arm is fixed to one end of the bearing block, a first oil cylinder is fixed to the upper end of the support arm, and a clamping plate is fixed to the end of the piston rod of the first oil cylinder.
[0008] Preferably, the pushing mechanism comprises a second hydraulic cylinder fixed to one side of the bearing frame, the piston rod of the second hydraulic cylinder penetrates the side wall of the bearing frame and extends to one side of the bearing frame, and a moving block is fixed to the end of the piston rod of the second hydraulic cylinder.
[0009] Preferably, the expansion structure comprises two connecting plates rotationally connected to the moving block, one end of each of the two connecting plates is rotationally connected with a rotating plate, and the two rotating plates are cross-rotationally connected, one end of the rotating plate is rotationally connected with a second T-shaped slider, and one side of the supporting block is provided with a second T-shaped sliding groove.
[0010] Preferably, one side of the supporting block is fixed with a guide rod, one guide rod on the same side penetrates the side wall of the other supporting block and extends to one side thereof.
[0011] Preferably, the walking mechanism comprises support rods fixed at both sides of the lower end of the supporting block, and the lower end of the support rod is rotationally connected with a universal wheel.
[0012] Preferably, the upper end of the bearing frame is mounted with a counterweight, one side of the bearing frame is provided with a first T-shaped sliding groove, and one side of the supporting block is fixed with a first T-shaped slider, and the two first T-shaped sliders are mounted in the first T-shaped sliding groove.
[0013] Preferably, the lower end of the bearing block is connected with a rotating shaft, and the lower end of the rotating shaft is connected to the upper end of the supporting block.
[0014] In the welding auxiliary welding auxiliary is carried out in the utility model:
[0015] 1, the device is in place: the operator first pushes the whole welding auxiliary device to one side of the welding position through the walking mechanism, and the design of the universal wheel enables the device to move flexibly, so that the suitable working position can be found in the complex shipbuilding workshop environment;
[0016] 2, distance adjustment: start the pushing mechanism, the piston rod of the second hydraulic cylinder pushes the moving block to move, the movement of the moving block drives the connecting plate rotationally connected thereto to move, the connecting plate further drives the rotating plate to rotate, and since the rotating plate is cross-rotationally connected and the second T-shaped slider at one end thereof slides in the second T-shaped sliding groove on one side of the supporting block, the linkage action enables the two supporting blocks to slide along the first T-shaped sliding groove on one side of the bearing frame, and the first T-shaped slider on one side of the supporting block cooperates with the first T-shaped sliding groove, so that the distance between the two clamping plates is adjusted to the range required for welding;
[0017] 3, flexible adjustment: the rotating shaft can drive the upper end clamping rotation to rotate, and the operator can rotate according to the angle and position of clamping, so as to improve the adaptability of clamping;
[0018] 4, reinforcing clamping: after the distance between the two clamping plates is adjusted appropriately, start the first oil cylinder, the piston rod of the first oil cylinder extends, drives the clamping plate to move towards the welding position, and reinforces the clamping of the welding position, so as to ensure the stability of the workpiece during welding.
[0019] The utility model has the following advantages:
[0020] 1. The first oil cylinder drives the clamping plate to stably clamp the welding position, effectively reduces the vibration and deviation of the workpiece during welding, ensures the stability of welding, thereby significantly improves the welding quality, makes the weld more flat and firm, and improves the overall performance and safety of the large workpiece of the ship;
[0021] 2. The walking mechanism enables the device to move flexibly in the shipbuilding workshop, and adapts to different welding positions and workspace requirements;
[0022] 3. The push mechanism and the extension structure cooperate to conveniently adjust the distance between the two clamping plates, can cope with large workpieces of different sizes and shapes, and improve the versatility and applicability of the device;
[0023] 4. The counterweight installed on the bearing frame increases the stability of the device, prevents the device from falling or shaking during clamping and welding, and the guide rod ensures the linearity and stability of the support block during sliding, further improving the reliability of the entire device;
[0024] In summary, the utility model effectively reduces the vibration and deviation of the workpiece during welding, ensures the stability of welding, thereby significantly improves the welding quality, makes the weld more flat and firm, and improves the overall performance and safety of the large workpiece of the ship, in addition, the distance between the two clamping plates can be conveniently adjusted, large workpieces of different sizes and shapes can be coped with, the versatility and applicability of the device are improved, and the stability and reliability of the entire device are further improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 The utility model is a structural diagram;
[0026] Figure 2 The utility model is a guide rod setting structure diagram;
[0027] Figure 3 The utility model is a push mechanism and extension structure connection structure diagram;
[0028] Figure 4 The utility model is a rotating shaft setting structure diagram.
[0029] In the drawing: 1 first oil cylinder, 2 support arm, 3 bearing block, 4 counterweight, 5 first T type sliding slot, 6 bearing frame, 7 first T type sliding block, 8 clamping plate, 9 support block, 10 support rod, 11 universal wheel, 12 guide rod, 13 second T type sliding block, 14 connecting plate, 15 second hydraulic cylinder, 16 rotating plate, 17 moving block, 18 rotating shaft, 19 second T type sliding slot. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0031] With reference to Figures 1-4 A kind of welding auxiliary device for shipbuilding, including bearing frame 6, push mechanism is installed in one side of bearing frame 6, one end of push mechanism is rotatably connected with extension structure, the both ends of extension structure are slidably connected with support block 9, one end of two support blocks 9 is slidably connected in one side of bearing frame 6, the lower end of support block 9 both sides is fixed with travelling mechanism, the upper end of support block 9 is rotatably connected with bearing block 3, one end of bearing block 3 is fixed with support arm 2, the upper end of support arm 2 is fixed with first oil cylinder 1, the piston rod end of first oil cylinder 1 is fixed with clamping plate 8, effectively reduce the vibration and deviation of workpiece in welding process, guarantee the stability of welding, so as to significantly improve the welding quality, make weld more smooth, firm;
[0032] Push mechanism includes the second hydraulic cylinder 15 fixed in one side of bearing frame 6, the piston rod of second hydraulic cylinder 15 penetrates the side wall of bearing frame 6 and extends to one side of bearing frame 6, the piston rod end of second hydraulic cylinder 15 is fixed with moving block 17, second hydraulic cylinder 15 can accurately push moving block 17 according to actual needs, to provide reliable basis for subsequent spacing adjustment, the design that piston rod penetrates the side wall of bearing frame 6 not only guarantees the compactness of structure, but also can effectively protect piston rod from the interference of external environment, prolong its service life;
[0033] Extension structure includes two connecting plates 14 rotatably connected on moving block 17, one end of two connecting plates 14 is rotatably connected with rotating plate 16, and two rotating plates 16 are cross rotatably connected, one end of rotating plate 16 is rotatably connected with second T-shaped sliding block 13, one side of support block 9 is provided with second T-shaped sliding groove 19, one second T-shaped sliding block 13 on the same side is slidably connected in one second T-shaped sliding groove 19 on the same side, when moving block 17 moves, connecting plate 14 drives rotating plate 16 to rotate, since rotating plate 16 is cross rotatably connected, this structure makes rotating plate 16 can convert the linear motion of moving block 17 into the relative sliding of support block 9 in the process of rotating, to realize the adjustment of the spacing of two clamping plates 8, the cooperation of second T-shaped sliding block 13 and second T-shaped sliding groove 19 not only guarantees the stability of the sliding connection between rotating plate 16 and support block 9, but also can effectively prevent rotating plate 16 from deviating in the process of movement, improve the reliability of entire extension structure;
[0034] The support block 9 is fixed with a guide rod 12 on one side, one guide rod 12 on the same side penetrates the side wall of the other support block 9 and extends to one side, during the sliding of the support block 9, the guide rod 12 can ensure that the two support blocks 9 slide in the correct direction, deviation is avoided, meanwhile, the guide rod 12 can also enhance the connection strength between the support blocks 9 and improve the stability of the whole device;
[0035] The walking mechanism comprises support rods 10 fixed at the lower ends of the two sides of the support block 9, universal wheels 11 are rotationally connected to the lower ends of the support rods 10, the universal wheels 11 have the characteristics of 360-degree rotation, so that the device can easily change the moving direction in the complex environment of the shipbuilding workshop;
[0036] The upper end of the bearing frame 6 is provided with a counterweight 4, one side of the bearing frame 6 is provided with a first T-shaped sliding groove 5, one side of the support block 9 is fixed with a first T-shaped sliding block 7, the two first T-shaped sliding blocks 7 are both installed in the first T-shaped sliding groove 5, when welding work is carried out, the device may be subjected to various external forces, such as vibration during welding, the counterweight 4 can effectively reduce the gravity center of the device, prevent the device from tilting or shaking during work, the cooperation of the first T-shaped sliding groove 5 and the first T-shaped sliding block 7 provides an accurate track for the sliding of the support block 9, ensures that the support block 9 can stably slide along one side of the bearing frame 6, thereby ensuring the precision of the distance adjustment between the two clamping plates 8;
[0037] The lower end of the bearing block 3 is connected with a rotating shaft 18, the lower end of the rotating shaft 18 is connected to the upper end of the support block 9, the design of the rotating shaft 18 enables the bearing block 3 to rotate around the upper end of the support block 9. In shipbuilding, the angles and positions of the welding positions may be different, through the rotation of the rotating shaft 18, the operator can flexibly adjust the angles and positions of the clamping plates 8 according to actual needs, greatly improving the adaptability and versatility of the device.
[0038] When the welding auxiliary device in the utility model is used for welding auxiliary:
[0039] 1. The device is positioned: the operator first pushes the whole welding auxiliary device to one side of the welding position through the walking mechanism, the design of the universal wheels 11 enables the device to move flexibly, which is convenient for finding a suitable working position in the complex shipbuilding workshop environment;
[0040] 2Distance adjustment: start the push mechanism, the piston rod of the second hydraulic cylinder 15 pushes the moving block 17 to move, the movement of the moving block 17 drives the connecting plate 14 connected with it to move, the connecting plate 14 further drives the rotating plate 16 to rotate, since the rotating plate 16 is cross-rotatingly connected, and the second T-shaped slider 13 at one end thereof slides in the second T-shaped sliding groove 19 on one side of the support block 9, such linkage makes the two support blocks 9 slide along the first T-shaped sliding groove 5 on one side of the bearing frame 6, the first T-shaped slider 7 on one side of the support block 9 cooperates with the first T-shaped sliding groove 5, so that the distance between the two clamping plates 8 is adjusted to the range required for welding;
[0041] 3Flexible adjustment: the rotating shaft 18 can drive the upper end clamping to rotate, the operator can rotate according to the angle and position of clamping, so that the adaptability of clamping is improved;
[0042] 4Reinforced clamping: after the distance between the two clamping plates 8 is adjusted, the first oil cylinder 1 is started, the piston rod of the first oil cylinder 1 is extended, drives the clamping plate 8 to move to the welding position, and the position of the welding position is reinforced and clamped, so that the stability of the workpiece in the welding process is ensured.
[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A welding auxiliary device for shipbuilding, comprising a support frame (6), characterized in that, A pushing mechanism is installed on one side of the support frame (6). An extension structure is rotatably connected to one end of the pushing mechanism. Support blocks (9) are slidably connected to both ends of the extension structure. One end of the two support blocks (9) is slidably connected to one side of the support frame (6). A walking mechanism is fixed on both sides of the lower end of the support block (9). A support block (3) is rotatably connected to the upper end of the support block (9). A support arm (2) is fixed to one end of the support block (3). A first oil cylinder (1) is fixed to the upper end of the support arm (2). A clamping plate (8) is fixed to the end of the piston rod of the first oil cylinder (1).
2. The welding auxiliary device for shipbuilding according to claim 1, characterized in that: The pushing mechanism includes a second hydraulic cylinder (15) fixed to one side of the support frame (6). The piston rod of the second hydraulic cylinder (15) passes through the side wall of the support frame (6) and extends to one side of the support frame (6). A moving block (17) is fixed to the end of the piston rod of the second hydraulic cylinder (15).
3. The welding auxiliary device for shipbuilding according to claim 2, characterized in that: The extended structure includes two connecting plates (14) rotatably connected to the movable block (17). One end of each connecting plate (14) is rotatably connected to a rotating plate (16), and the two rotating plates (16) are rotatably connected in a cross manner. One end of the rotating plate (16) is rotatably connected to a second T-shaped slider (13). A second T-shaped groove (19) is provided on one side of the support block (9), and a second T-shaped slider (13) on the same side is slidably connected in a second T-shaped groove (19) on the same side.
4. The welding auxiliary device for shipbuilding according to claim 1, characterized in that: A guide rod (12) is fixed on one side of the support block (9), and one guide rod (12) on the same side passes through the side wall of another support block (9) and extends to one side thereon.
5. A welding auxiliary device for shipbuilding according to claim 1, characterized in that: The walking mechanism includes support rods (10) fixed on both sides of the lower end of the support block (9), and the lower end of the support rods (10) is rotatably connected to casters (11).
6. The welding auxiliary device for shipbuilding according to claim 1, characterized in that: The upper end of the bearing frame (6) is equipped with a counterweight (4), and a first T-shaped groove (5) is provided on one side of the bearing frame (6). A first T-shaped slider (7) is fixed on one side of the support block (9), and both first T-shaped sliders (7) are installed in the first T-shaped groove (5).
7. A welding auxiliary device for shipbuilding according to claim 1, characterized in that: The lower end of the bearing block (3) is connected to a rotating shaft (18), and the lower end of the rotating shaft (18) is connected to the upper end of the support block (9).