Auxiliary device for pile leg welding

Abstract

The utility model discloses an auxiliary device for pile leg welding, which relates to the field of pile leg processing equipment and comprises a support frame, both ends of the support frame are provided with insertion holes in a penetrating manner, insertion rods are inserted into the insertion holes, one end of each insertion rod is fixedly provided with a movable seat, and both ends of the inner side of each movable seat are fixedly provided with fixed wheels. The supporting frame is arranged, the movable seats capable of sliding are arranged on the two sides of the supporting frame, the fixed wheels are arranged at the two ends of the inner side of each movable seat, the positioning seats are arranged on the inner sides of the movable seats, the positioning wheels are arranged on one sides of the positioning seats, and the positioning wheels and the fixed wheels can be clamped on the two sides of the pile leg; the position of the supporting frame is locked, so that it can be guaranteed that the supporting frame stably slides up and down on the outer side of the pile leg, the operation table is arranged on the outer side of the supporting frame, a worker can conveniently conduct welding operation through the operation table, and welding repair of the pile leg is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of pile leg processing equipment, in particular to a pile leg welding auxiliary device. Background Art

[0002] An offshore platform is a truss structure that is above the sea level and has a horizontal surface for production operations or other activities. A self-elevating offshore platform is a type of mobile offshore platform, consisting of an upper structure deck and pile legs. The upper structure can be raised and lowered along the pile legs, driven by pneumatic, hydraulic or electric lifts to meet the requirements of operations in different water depths. The upper structure is a barge-shaped floating body with considerable buoyancy. The pile legs are the key supporting mechanism of the self-elevating offshore platform, and the pile legs have an important impact on the overall safety of the platform. Since the pile legs of the offshore platform remain in the offshore environment for a long time, the pile legs need to be regularly inspected and maintained, and the damaged parts of the pile legs need to be welded and reinforced.

[0003] For example, a high-precision self-elevating offshore platform pile leg with publication number CN213508381U includes a supporting pile and an installation platform. The installation platform is installed on the upper end of the supporting pile. When the pile body is spliced, the upper installation head is connected with the lower installation head, so that the movable block is stuck in the first fixed groove, making the device more stable and not easy to loosen. When the device needs to be disassembled, the fixing button is adjusted to make it disengage from the first fixed groove. The disassembly and assembly are convenient and easy to install. When the installation device is stuck, the movable head can be adjusted to connect the movable head with the fixed thread, and the installation device is covered inside the movable head, which can further stabilize the connection of the pile body and make the device more stable. When the offshore platform rises, the screw can drive the first moving block and the second moving block to move, thereby driving the cross movable rod to extend and retract, and then driving the movable pile to move up and down, and then wipe the surface of the pile body exposed to the air to avoid corrosion on the pile body due to seawater and protect the pile body.

[0004] When the offshore platform pile legs in the above technical solution are being maintained by welding, the workers need to use a lifting rope to move from above the platform to the welding part of the pile legs to perform welding operations. However, during the welding process, the workers are easily shaken by the sea breeze, making it inconvenient to perform welding operations.

[0005] Therefore, it is necessary to invent a pile leg welding auxiliary device to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a pile leg welding auxiliary device to solve the problems raised in the above background technology.

[0007] To achieve the above object, the present utility model provides the following technical solution: A pile leg welding auxiliary device, including a support frame. Both ends of the support frame are penetrated with jacks. Plug rods are inserted into the interiors of the jacks. One end of each plug rod is fixedly provided with a movable seat. Fixed wheels are fixedly provided at both inner ends of the movable seat. A positioning seat is arranged inside the movable seat. Positioning wheels are fixedly provided at both ends of the side of the positioning seat close to the movable seat, and the positioning wheels correspond to the fixed wheels. Positioning screws are fixedly provided at the four corners of the inner side wall of the positioning seat. Positioning ears are fixedly provided at the four corners of the inner side wall of the movable seat. The positioning screws penetrate through the interiors of the positioning ears. One end of each positioning screw is threadedly provided with a positioning nut, and the positioning nut is arranged outside the positioning ear. One end of each plug rod is fixedly provided with a limit seat, and the limit seat is arranged inside the support frame.

[0008] Preferably, limit screw holes are penetrated through the middles of the two limit seats. A double-headed screw rod is movably arranged inside the support frame through bearings, and both ends of the double-headed screw rod respectively penetrate through the interiors of the two limit screw holes.

[0009] Preferably, extension sleeves are fixedly provided at the four corners of the outer side wall of the support frame. Support screw rods penetrate through the interiors of the extension sleeves.

[0010] Preferably, a support nut is threadedly provided at the top end of the support screw rod, and the support nut is arranged above the extension sleeve.

[0011] Preferably, an operating table is fixedly provided at the bottom end of the support screw rod, and a guardrail is arranged outside the operating table.

[0012] Preferably, a lifting lug is fixedly provided at the top end of the support frame.

[0013] The technical effects and advantages of the present utility model:

[0014] 1. By providing a support frame in the present utility model, movable seats that can slide are arranged on both sides of the support frame. Fixed wheels are arranged at both inner ends of the movable seat. By arranging a positioning seat inside the movable seat, positioning wheels are arranged on one side of the positioning seat. The positioning wheels and the fixed wheels can clamp both sides of the pile leg to lock the position of the support frame, so as to ensure that the support frame can stably slide up and down outside the pile leg. By arranging an operating table outside the support frame, the arrangement of the operating table can facilitate the welding operation of the staff, thus facilitating the welding repair of the pile leg.

[0015] 2. The utility model realizes the adjustment of the position of the plug rod by arranging jacks at both ends of the support frame, arranging a plug rod in the jacks, arranging a limit seat at one end of the plug rod, and opening a limit screw hole in the middle of the limit seat, which is matched with a double-headed screw rod. The plug rod can drive the movable seat to move, so as to realize the adjustment of the distance between the two groups of positioning wheels, and further facilitate the device to adapt to pile legs of various specifications. Brief Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the support frame structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the movable seat structure of the utility model.

[0019] In the figure: 1. Support frame; 2. Jack; 3. Plug rod; 4. Movable seat; 5. Fixed wheel; 6. Positioning seat; 7. Positioning wheel; 8. Positioning screw rod; 9. Positioning ear; 10. Positioning nut; 11. Limit seat; 12. Limit screw hole; 13. Double-headed screw rod; 14. Extension sleeve; 15. Support screw rod; 16. Support nut; 17. Operating table; 18. Lifting lug. Specific Embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0021] The present utility model provides a pile leg welding auxiliary device as Figures 1-3 shown, including a support frame 1. Jacks 2 are penetrated and opened at both ends of the support frame 1. A plug rod 3 is inserted and arranged inside the jacks 2. A movable seat 4 is fixedly arranged at one end of the plug rod 3. Fixed wheels 5 are fixedly arranged at both ends of the inner side of the movable seat 4. A positioning seat 6 is arranged inside the movable seat 4. Positioning wheels 7 are fixedly arranged at both ends of the side of the positioning seat 6 close to the movable seat 4, and the positioning wheels 7 correspond to the fixed wheels 5;

[0022] Specifically, positioning screws 8 are fixedly provided at the four corners of the inner side wall of the positioning seat 6, and positioning ears 9 are fixedly provided at the four corners of the inner side wall of the movable seat 4. The positioning screws 8 are arranged inside the positioning ears 9, and one end of the positioning screws 8 is threadedly provided with a positioning nut 10, and the positioning nut 10 is arranged on the outside of the positioning ears 9. The positioning nut 10 cooperates with the positioning screws 8 to fix the position between the positioning seat 6 and the movable seat 4, so that the fixed wheel 5 and the positioning wheel 7 can be clamped on the outside of the pile leg;

[0023] More specifically, a limited position seat 11 is fixedly provided at one end of the insertion rod 3, and the limited position seat 11 is arranged inside the support frame 1, and the middle parts of the two limited position seats 11 are penetrated with limited position screw holes 12, and a double-headed screw 13 is movably provided inside the support frame 1 through a bearing, and the two ends of the double-headed screw 13 are respectively penetrated and arranged inside the two limited position screw holes 12, and the double-headed screw 13 cooperates with the limited position screw holes 12 to make the two limited position seats 11 move relative to each other, and the limited position seat 11 drives the movable seat 4 to move through the insertion rod 3, and the movable seat 4 drives the fixed wheel 5 to move, so that the position between the two fixed wheels 5 moves, so as to ensure that the two fixed wheels 5 can contact the fulcrum on the outside of the pile leg, thereby ensuring the stability of the device after installation;

[0024] In addition, an extension sleeve 14 is fixedly provided at the four corners of the outer wall of the support frame 1, a support screw 15 is penetrated inside the extension sleeve 14, a support nut 16 is threadedly provided at the top end of the support screw 15, and the support nut 16 is arranged above the extension sleeve 14, and the support nut 16 cooperates with the support screw 15 to realize the installation and fixation of the operating table 17, the operating table 17 is fixedly provided at the bottom end of the support screw 15, and a guardrail is provided on the outside of the operating table 17, and the staff can stand on the operating table 17 to perform welding operations, so as to facilitate the repair welding of the pile legs;

[0025] Moreover, a lifting lug 18 is fixedly provided at the top of the support frame 1 . The provision of the lifting lug 18 enables the support frame 1 to be connected to a winch, so as to facilitate the adjustment of the position of the support frame 1 .

[0026] Working principle of this utility model:

[0027] When the device is in use, the lifting ear 18 at the top of the support frame 1 is connected to the winch, and the winch is fixed on the offshore platform. Then, the support frame 1 is placed on one side of the pile leg, and the double-headed screw 13 is rotated. The double-headed screw 13 cooperates with the limiting screw hole 12, so that the two limiting seats 11 move relative to each other. The limiting seat 11 drives the movable seat 4 to move through the insertion rod 3, and the movable seat 4 drives the fixed wheel 5 to move, so that the position between the two fixed wheels 5 moves to ensure that the two fixed wheels 5 can contact the force point on the outside of the pile leg. Then, the positioning seat 6 is placed on the other side of the pile leg, and the positioning screw 8 on the outside of the positioning seat 6 is inserted into the positioning ear 9. The position between the positioning screw 8 and the positioning ear 9 is fixed by the positioning nut 10, and the positioning wheel 7 is made to fit the outer wall of the pile leg. At this time, the connection between the support frame 1 and the pile leg can be realized. The support frame 1 can be controlled to move up and down on the outside of the pile leg by the winch. The staff can stand on the operating table 17 to perform welding operations to facilitate the repair welding of the pile leg.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A pile leg welding auxiliary device, comprising a support frame (1), characterized in that: Both ends of the support frame (1) are penetrated with jacks (2). An insertion rod (3) is inserted into the interior of the jack (2). One end of the insertion rod (3) is fixedly provided with a movable seat (4). Both ends of the inner side of the movable seat (4) are fixedly provided with fixed wheels (5). A positioning seat (6) is arranged on the inner side of the movable seat (4). Both ends of the side of the positioning seat (6) close to the movable seat (4) are fixedly provided with positioning wheels (7), and the positioning wheels (7) correspond to the fixed wheels (5). Positioning screws (8) are fixedly provided at the four corners of the inner side wall of the positioning seat (6). Positioning ears (9) are fixedly provided at the four corners of the inner side wall of the movable seat (4). The positioning screws (8) are penetrated through the positioning ears (9). A positioning nut (10) is threadedly arranged at one end of the positioning screw (8), and the positioning nut (10) is arranged outside the positioning ear (9). One end of the insertion rod (3) is fixedly provided with a limit seat (11), and the limit seat (11) is arranged inside the support frame (1).

2. The welding auxiliary device for a leg of a pile according to claim 1, characterized in that: Limit screw holes (12) are penetrated through the middle parts of the two limit seats (11). A double-headed screw rod (13) is movably arranged inside the support frame (1) through a bearing, and both ends of the double-headed screw rod (13) are respectively penetrated through the interior of the two limit screw holes (12).

3. The pile leg welding auxiliary device according to claim 2, characterized in that: Extension sleeves (14) are fixedly provided at the four corners of the outer side wall of the support frame (1). A support screw rod (15) is penetrated through the interior of the extension sleeve (14).

4. The auxiliary device for pile leg welding according to claim 3, characterized in that: A support nut (16) is threadedly arranged at the top end of the support screw rod (15), and the support nut (16) is arranged above the extension sleeve (14).

5. The auxiliary device for pile leg welding according to claim 4, characterized in that: The bottom end of the support screw rod (15) is fixedly provided with an operating table (17), and a guardrail is arranged outside the operating table (17).

6. The auxiliary device for pile leg welding according to claim 5, characterized in that: A lifting lug (18) is fixedly provided at the top end of the support frame (1).

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