Ship pipeline welding positioning tool

Abstract

The utility model discloses a ship pipeline welding positioning tool. Comprising a base and bearing seats, a positioning plate is arranged in the middle of the base, moving plates are symmetrically arranged on the two sides of the positioning plate respectively, the moving plates are driven by adjusting assemblies, the bearing seats are arranged on the positioning plate and the moving plates, and V-shaped positioning grooves are formed in the bearing seats; a clamping assembly is arranged on the movable plate and comprises a positioning frame, an adjusting rod and a clamping base, the positioning frame is in an inverted U shape, one end of the positioning frame is hinged to the movable plate through a hinge assembly, the other end of the positioning frame is detachably connected with the movable plate, the adjusting rod is installed on a cross beam of the positioning frame in a threaded mode, and the clamping base is arranged at the inner end of the adjusting rod. The clamping base is located in the positioning frame and is in sliding connection with the positioning frame. The adjusting assembly drives the bearing seat and the clamping assembly to be close to each other, so that pipe orifices of two sections of pipelines are close to each other, the aligning gap, the coaxiality of the pipelines, the welding quality and the mounting quality of the pipelines are ensured, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to ship pipeline welding, in particular to a ship pipeline welding positioning tool. Background Art

[0002] When a ship is under repair, the pipes inside the ship need to be repaired or replaced. When installing or replacing pipes, welding is a common processing and connection method. When butt-welding pipes, the pipe ends of the two pipes need to be aligned to ensure the gap and misalignment between the pipe ends, and then the two pipes are spot welded and then fully welded. The use of simple manual butt-welding to position the pipes cannot guarantee the welding quality and the pipe installation quality, and is inefficient. The Chinese utility model with the authorization announcement number CN212020506U discloses a material pipe fixing and positioning device, which cannot achieve the butt-welding positioning of two pipes. Utility Model Content

[0003] The utility model aims to solve the above technical problems, thereby providing a ship pipeline welding positioning tool to ensure the welding quality and installation quality of the pipeline and improve work efficiency.

[0004] The utility model solves the technical problem and adopts the following technical solution:

[0005] A ship pipeline welding positioning tool comprises a base and a receiving seat, wherein a positioning plate is provided in the middle of the base, movable plates are symmetrically provided on both sides of the positioning plate, the movable plates are driven by an adjusting assembly, and receiving seats are provided on the positioning plate and the movable plate, and the receiving seats are provided with V-shaped positioning grooves;

[0006] The movable plate is provided with a clamping assembly, which includes a positioning frame, an adjusting rod and a clamping seat. The positioning frame is in an inverted U shape. One end of the positioning frame is hinged to the movable plate through a hinge assembly, and the other end of the positioning frame is detachably connected to the movable plate. The crossbeam of the positioning frame is threadedly installed with an adjusting rod, and the inner end of the adjusting rod is provided with a clamping seat, which is located in the positioning frame and is slidably connected to the positioning frame.

[0007] Compared with the prior art, the utility model adopting the above technical solution has the following beneficial effects:

[0008] The sockets and clamping components on the two movable plates clamp two sections of pipes. The V-shaped positioning groove of the socket has a self-centering function, which can automatically center the clamped pipe, thereby achieving precise positioning. The adjustment component drives the socket and the clamping component to move closer, so that the pipe openings of the two sections of pipes are close to each other, ensuring the matching gap, ensuring the coaxiality of the pipes, ensuring the welding quality and installation quality of the pipes, and improving work efficiency.

[0009] Further, the optimization scheme of the utility model is:

[0010] The adjustment assembly includes a driving motor, an active path rod, a driven path rod, a pulley and a transmission belt. A mounting groove is provided on the bottom surface of the base. The active path rod and the driven path rod are rotatably mounted in the mounting grooves respectively. The active path rod is driven by the driving motor. One end of the two path rods extends out of the base and is connected through the pulley and the transmission belt. Each path rod is threadedly mounted with two movable rings.

[0011] The active path rod and the driven path rod are respectively provided with two sections of external threads with opposite rotation directions.

[0012] The top surface of the base is provided with a guide groove which is connected with the installation groove. The top of the movable ring is fixed with a connecting block which is slidably connected with the guide groove. The top of the movable ring extends out of the top surface of the base. The two ends of the movable plate are respectively connected with the two connecting blocks.

[0013] There are two receiving seats on the movable plate, and a gap is left between the two receiving seats.

[0014] The hinge assembly comprises an ear plate and a pin shaft, the ear plate is fixedly connected to both sides of one end of the moving plate, and the vertical rod of the positioning frame is connected with the ear plate through the pin shaft.

[0015] An end of the movable plate away from the hinge assembly is fixedly connected with an outwardly extending threaded rod, and a vertical rod of the positioning frame is provided with a notch structure connected with the threaded rod.

[0016] The clamping seat is rotatably connected to the adjusting rod, a V-shaped positioning groove opening downward is provided at the bottom of the clamping seat, sliders are fixedly connected to both sides of the clamping seat, a sliding groove is provided on the inner side of the vertical rod of the positioning frame, and the slider is slidably connected to the sliding groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the disassembled structure of an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the base structure of an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the receiving seat and the positioning plate structure of an embodiment of the utility model;

[0021] Figure 5 It is a partial cross-sectional structural schematic diagram of the clamping assembly of the embodiment of the utility model;

[0022] Figure 6 It is a schematic diagram of the unfolded structure of the clamping assembly according to an embodiment of the utility model.

[0023] In the figure: base 1; mounting groove 1-1; guide groove 1-2; active path rod 2; driven path rod 2-1; drive motor 3; moving ring 4; connecting block 4-1; pulley 5; positioning plate 6; moving plate 7; receiving seat 8; positioning frame 9; notch structure 9-1; threaded rod 10; screw sleeve 11; adjusting rod 12; turning handle 13; clamping seat 14; slider 15. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] See also Figure 1 , Figure 2 , Figure 3 This embodiment provides a ship pipeline welding positioning tool, which is mainly composed of a base 1, an adjustment component, a positioning plate 6, a movable plate 7, a receiving seat 8 and a positioning frame 9. The base 1 is a steel plate, which is rectangular, and a mounting groove 1-1 is provided on the bottom surface of the base 1. The mounting groove 1-1 is arranged longitudinally, and two guide grooves 1-2 that penetrate the mounting groove 1-1 are provided on the top surface of the base 1. A partition bar is provided in the middle of each guide groove 1-2.

[0026] The base 1 is provided with an adjustment component, which is mainly composed of an active path rod 2, a driven path rod 2-1, a drive motor 3, a moving ring 4, a pulley 5 and a transmission belt. The active path rod 2 and the driven path rod 2-1 are both provided with two sections of external threads with opposite rotation directions. The active path rod 2 and the driven path rod 2-1 are arranged in parallel, and the active path rod 2 and the driven path rod 2-1 are respectively installed in the installation groove 1-1. The active path rod 2 and the driven path rod 2-1 are respectively connected to the installation groove 1-1 through a bearing seat. The front end of the active path rod 2 is connected to the output shaft of the drive motor 3 through a coupling, and the drive motor 3 is installed on the front end surface of the base 1. The rear ends of the active path rod 2 and the driven path rod 2-1 extend out of the base 1 and are respectively installed with pulleys 5, and the two pulleys 5 are connected through a transmission belt.

[0027] Two moving rings 4 are respectively mounted on the active path rod 2 and the driven path rod 2-1. The moving rings 4 are provided with internal thread holes. The moving rings 4 are threadedly connected to the two path rods. The moving rings 4 at the front ends of the two path rods and the moving rings 4 at the rear ends of the two path rods are arranged relatively. A connecting block 4-1 is welded on the top of each moving ring 4. The top surface of the connecting block 4-1 extends out of the top surface of the base 1. The connecting block 4-1 is located in the guide groove 1-2 and is slidably connected thereto. The driving motor 3 drives the active path rod 2 to rotate. The active path rod 2 drives the driven path rod 2-1 to rotate synchronously through the pulley 5 and the transmission belt. When the active path rod 2 rotates, the external thread of the active path rod 2 drives the moving ring 4 to move relatively through the internal thread of the moving ring 4.

[0028] A positioning plate 6 is provided in the middle of the base 1 ( Figure 4 As shown in the figure, the positioning plate 6 is in the shape of a long strip, which is arranged horizontally and located on the horizontal center line of the base 1. The positioning plate 6 is fixedly connected to the base 1. A receiving seat 8 is installed on the positioning plate 6. The receiving seat 8 is provided with a V-shaped positioning groove with an opening upward. The V-shaped positioning groove can receive pipes of different diameters to ensure that the pipes maintain the correct position during the clamping process and reduce installation errors. The V-shaped positioning groove can also provide uniform clamping force for the pipe, avoid damage or deformation of the pipe due to excessive local stress, reduce wear on the clamping part, and extend the service life of the clamp. The front and rear sides of the positioning plate 6 are symmetrically provided with moving plates 7, which are rectangular and arranged horizontally. The two ends of the bottom surface of the moving plate 7 are fixedly connected to the connecting blocks 4-1 on the two moving rings 4, respectively. The adjusting component drives the moving plate 7 to move relative to each other through the moving ring 4 and the connecting block 4-1, thereby realizing the approach or distance of the two moving plates 7. Two receiving seats 8 are installed on each moving plate 7, and a gap is left between the two receiving seats 8 to ensure stable positioning of the pipe.

[0029] The movable plate 7 is provided with a clamping assembly, which is mainly composed of a positioning frame 9, a threaded rod 10, a screw sleeve 11, an adjusting rod 12, a turning handle 13, a clamping seat 14 and a slider 15 ( Figure 5 , Figure 6 As shown). The positioning frame 9 is inverted U-shaped. The positioning frame 9 is composed of two vertical rods and a crossbeam. The vertical rod on the right side of the positioning frame 9 is connected to the right end of the moving plate 7 through a hinge assembly. The hinge assembly is composed of an ear plate and a pin. The ear plate is welded on both sides of the right end of the moving plate 7. The vertical rod of the positioning frame 7 is provided with a circular hole and is connected to the ear plate through the pin. A rectangular notch structure 9-1 is provided at the lower end of the vertical rod on the left side of the positioning frame 9. A horizontally extending threaded rod 10 is welded to the left end of the moving plate 7. The threaded rod 10 is screwed with a screw sleeve 11. The notch structure 9-1 is connected to the threaded rod 10 and is fastened by the screw sleeve 11, thereby realizing the opening and closing of the positioning frame 9 and the moving plate 7. After the positioning frame 9 is opened, it is convenient to install the pipeline.

[0030] A clamping seat 14 is provided in the positioning frame 9. The clamping seat 14 is provided with a V-shaped positioning groove opening downward. The clamping seat 14 is located above the two receiving seats 8 of the movable plate 7 and is directly opposite to the gap between the two receiving seats 8. The clamping seat 14 cooperates with the two receiving seats 8 to clamp the pipe. A threaded hole is provided in the crossbeam of the positioning frame 9. A vertical adjustment rod 12 is installed in the threaded hole. The adjustment rod 12 is provided with an external thread. A turning handle 13 is installed at the upper end of the adjustment rod 12. The lower end of the adjustment rod 12 is rotatably connected with the clamping seat 14. The adjustment rod 12 is screwed and moves downward, thereby driving the clamping seat 14 to move downward and compress the pipe. Slide blocks 15 are welded to the upper parts of the left and right ends of the clamping seat 14. A vertical slide groove is provided on the inner side of the vertical rod of the positioning frame 9. The slide block 15 is slidably connected with the slide groove to guide the clamping seat 14, so that the adjustment rod 12 can drive the clamping seat 14 to move in the positioning frame 9 to clamp and fix the pipe.

[0031] The use process of this embodiment is: open the two positioning frames 9, place the two sections of the grooved pipe on the receiving seats 8 of the two moving plates 7 respectively, cover the positioning frame 9 on the moving plate 7, set the threaded rod 10 in the notch structure 9-1 of the positioning frame 9, tighten the screw sleeve 11 to fix the positioning frame 9, turn the handle 13, drive the adjustment rod 12 to rotate, the adjustment rod 12 moves downward, the adjustment rod 12 presses the clamping seat 14, the clamping seat 14 moves downward, the slider 15 cooperates with the slide groove to guide the clamping seat 14, and the clamping seat 14 presses the pipe. After the two sections of the pipe are fixed, start the drive motor 3, the drive motor 3 drives the two moving plates 7, the receiving seat 8 and the clamping assembly to approach through the adjustment assembly, the pipe openings of the two sections of the pipe are approached and aligned, after adjusting the butt gap, the pipe openings are spot welded, and then fully welded.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A ship pipeline welding positioning tool, comprising a base and a receiving seat, characterized in that: A positioning plate is provided in the middle of the base, and movable plates are symmetrically provided on both sides of the positioning plate. The movable plates are driven by the adjustment assembly. A receiving seat is provided on both the positioning plate and the movable plate, and a V-shaped positioning groove is provided on the receiving seat. The movable plate is provided with a clamping assembly, which includes a positioning frame, an adjusting rod and a clamping seat. The positioning frame is in an inverted U shape. One end of the positioning frame is hinged to the movable plate through a hinge assembly, and the other end of the positioning frame is detachably connected to the movable plate. The crossbeam of the positioning frame is threadedly installed with an adjusting rod, and the inner end of the adjusting rod is provided with a clamping seat, which is located in the positioning frame and is slidably connected to the positioning frame.

2. The ship pipeline welding positioning tool according to claim 1 is characterized in that: The adjustment assembly includes a driving motor, an active path rod, a driven path rod, a pulley and a transmission belt. A mounting groove is provided on the bottom surface of the base. The active path rod and the driven path rod are rotatably mounted in the mounting grooves respectively. The active path rod is driven by the driving motor. One end of the two path rods extends out of the base and is connected through the pulley and the transmission belt. Each path rod is threadedly mounted with two movable rings.

3. The ship pipeline welding positioning tool according to claim 2 is characterized in that: The active path rod and the driven path rod are respectively provided with two sections of external threads with opposite rotation directions.

4. The ship pipeline welding positioning tool according to claim 2 is characterized in that: The top surface of the base is provided with two guide grooves which are connected with the mounting groove. A connecting block is fixedly connected with the top of the moving ring. The connecting block is slidably connected with the guide groove. The top of the moving ring extends out of the top surface of the base. The two ends of the moving plate are respectively connected with the two connecting blocks.

5. The ship pipeline welding positioning tool according to claim 1 is characterized in that: There are two receiving seats on the movable plate, and a gap is left between the two receiving seats.

6. The ship pipeline welding positioning tool according to claim 1 is characterized in that: The hinge assembly comprises an ear plate and a pin shaft, the ear plate is fixedly connected to both sides of one end of the moving plate, and the vertical rod of the positioning frame is connected with the ear plate through the pin shaft.

7. The ship pipeline welding positioning tool according to claim 1 is characterized in that: An end of the movable plate away from the hinge assembly is fixedly connected with an outwardly extending threaded rod, and a vertical rod of the positioning frame is provided with a notch structure connected with the threaded rod.

8. The ship pipeline welding positioning tool according to claim 1 is characterized in that: The clamping seat is rotatably connected to the adjusting rod, a V-shaped positioning groove opening downward is provided at the bottom of the clamping seat, sliders are fixedly connected to both sides of the clamping seat, a sliding groove is provided on the inner side of the vertical rod of the positioning frame, and the slider is slidably connected to the sliding groove.

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