Gas protection plugging device for ship pipeline welding

Abstract

The utility model belongs to the technical field of ship pipeline welding protection devices, and particularly relates to a ship pipeline welding gas protection plugging device which comprises two round pipes, a welding seam is arranged between the two round pipes, adjusting plates are connected into the two round pipes in a sleeved mode, guide plates are arranged on one sides of the two adjusting plates, and the guide plates are arranged on the other sides of the two adjusting plates. Air bags are fixedly connected to the outer walls of the two flow guide plates, a first fixing column and a second fixing column are fixedly connected to the inner walls of the two flow guide plates in a sleeving mode correspondingly, and driving bevel gears are fixedly connected to the outer walls of the first fixing column and the second fixing column. The first fixing column and the second fixing column are fixedly connected in the flow guide plate in a sleeved mode, the adjusting plate is fixedly connected to the outer wall of the first fixing column and the outer wall of the second fixing column in a sleeved mode, and under the action of a driving bevel gear, a driven bevel gear, a lead screw, a sliding column and a supporting pad structure on the adjusting plate, the device can be stably installed on the inner wall of a pipeline; and the stability in the welding process is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ship pipeline welding protection device technical field, concretely is a kind of ship pipeline welding gas protection plugging device. BACKGROUND

[0002] Marine pipeline, generally use stainless steel pipe material, when stainless steel pipe is welded, it is easy to oxidize black, and the welding position is prone to rust, resulting in the disappearance of the characteristics of stainless steel. During the welding process, argon is often used for protection, so that part of the argon gas overflows from the weld, reducing or eliminating the oxidation of the weld position during the welding process. Generally, glutinous rice paper is used for plugging, and a small hole is reserved on the plugging paper for filling argon or overflow argon. It needs to be plugged multiple times, and the glutinous rice paper inside the plugging cannot be taken out.

[0003] After searching, the patent with publication number CN215615933U discloses a kind of ship pipeline welding gas protection plugging device, its characterized in that the device is equipped with left sealing plate, right sealing plate and gas supply pipe, left sealing plate middle part is equipped with left gas supply pipe passage, left sealing plate outside left gas supply pipe passage outside is equipped with left annular argon distribution cavity, left annular argon distribution cavity left side is equipped with gas inlet, left annular argon distribution cavity right side is equipped with distribution port, the circumference of left sealing plate and right sealing plate is respectively equipped with left annular gas bag and right annular gas bag, left annular gas bag is communicated with gas supply pipe, right annular gas bag is communicated with the gas supply pipe passing through left gas supply pipe passage, right sealing plate is equipped with gas outlet, the device has the advantages of simple structure, easy to disassemble, easy to operate, reusable, save argon, reduce the danger of welding environment etc.

[0004] But the above-mentioned device is not enough when using through air bag to support the intensity of pipeline inner wall, during the process of filling compressed air, due to the change of gas pressure in pipeline, it is difficult to fix sealing plate, easy to deviate, affect the stability of installation. SUMMARY

[0005] The utility model aims at providing a kind of ship pipeline welding gas protection plugging device, with the effect of convenient and stable installation plugging device.

[0006] In order to achieve the above object, the utility model provides a technical scheme is: provide a kind of ship pipeline welding gas protection plugging device, including circular tube, the quantity of circular tube is two, and welding joint is provided between two circular tubes, two the adjusting plate is sleeved in the two circular tubes, the side of two The outer wall of the baffle is fixedly connected with air bag, the inner wall of two The baffle is fixedly sleeved with fixed column one and fixed column two respectively, the outer wall of fixed column one and fixed column two It is fixedly connected with driving bevel gear, the two ends of the outer wall of the lead screw are fixedly sleeved with slide column and driven bevel gear respectively, driven bevel gear is engaged with driving bevel gear, the one end of slide column penetrates adjusting plate and is fixedly connected with support pad.

[0007] Optionally, the baffle is respectively provided with guide groove one and guide groove two, the guide groove one and the guide groove two are respectively connected with the inside of two air bags, the fixed column two is provided with air hole, the fixed column one and the fixed column two are rotatably connected with compressed air inlet pipe one, one end of the air hole is connected with compressed air inlet pipe one, and the other end of the air hole is connected with the inside of guide groove one.

[0008] Optionally, the adjusting plate at the air inlet end is fixedly sleeved with compressed air inlet pipe two, one end of the compressed air inlet pipe two is connected with the inside of guide groove two.

[0009] Optionally, the adjusting plate at the air inlet end is fixedly sleeved with argon input pipe, the baffle at the air inlet end is provided with exhaust hole, the exhaust hole is circularly arranged in the baffle, and the exhaust hole penetrates the baffle at the air outlet end, the baffle at the air outlet end is fixedly sleeved with two guide pipes, and the two guide pipes penetrate the adjusting plate and the baffle at the air outlet end.

[0010] Optionally, the fixed column one and the fixed column two penetrate two adjusting plates respectively, and the outer wall of one end of the fixed column one and the fixed column two is fixedly sleeved with screw cap.

[0011] Optionally, the slide column is slidably sleeved with the adjusting plate, and the support pad is multiple, and is evenly arranged at the outer end of two adjusting plates.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a fixed sleeve fixed column one and fixed column two in the flow guide plate, and fixed sleeve adjusting plate on the outer wall of fixed column one and fixed column two, and drive bevel gear, driven bevel gear, screw rod, slide column and support pad structure are set up on the adjusting plate structure, can drive the drive bevel gear fixed sleeve on the respective outer wall of fixed column one and fixed column two before the flow guide plate installation rotates, thereby drive driven bevel gear rotates, and then through the screw rod rotation drive slide column moves, thereby drive support pad and support in the inner wall of circular pipe pipeline and fix, when filling argon between two circular pipes and filling compressed air in the air bag, can guarantee the stability of flow guide plate.

[0014] 2. The utility model discloses a fixed sleeve fixed column one and fixed column two rotation setting on the outer wall of compressed air inlet pipe one, can avoid fixed column one or fixed column two when rotating and influence compressed air inlet pipe one, and simultaneously through fixed sleeve screw cap on the outer wall of fixed column one and fixed column two, convenient drive fixed column one and fixed column two and rotate and adjust. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or the prior art description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the first view structure schematic drawing of the utility model;

[0017] Figure 2 It is the second view structure schematic drawing of the utility model;

[0018] Figure 3 It is the internal structure schematic drawing of the adjusting plate of the utility model;

[0019] Figure 4 It is the structure schematic drawing of the flow guide plate of the utility model;

[0020] Figure 5 It is the internal structure schematic drawing of fixed column one and fixed column two of the utility model.

[0021] In the drawing: 1, circular pipe; 2, weld; 3, adjusting plate; 4, flow guide plate; 5, air bag; 6, fixed column one; 7, fixed column two; 8, compressed air inlet pipe one; 9, flow guide groove one; 10, flow guide groove two; 11, compressed air inlet pipe two; 12, argon input pipe; 13, exhaust hole; 14, flow guide pipe; 15, drive bevel gear; 16, screw rod; 17, slide column; 18, support pad; 19, screw cap; 20, driven bevel gear. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0023] It should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0026] Referring to Figures 1-5The utility model provides a kind of ship pipeline welding gas protection plugging device provided by the embodiment of the utility model, which is described as follows.A kind of ship pipeline welding gas protection plugging device, it includes round pipe 1, the quantity of round pipe 1 is two, and welding seam 2 is provided between the two round pipes 1, adjusting plate 3 is sleeved in the two round pipes 1, the side of the two adjusting plates 3 is provided with flow guide plate 4, gas bag 5 is fixedly connected on the outer wall of the two flow guide plates 4, compressed air is filled into gas bag 5 to make it expand and press fit on the inner wall of the pipeline of round pipe 1, which can improve the sealing performance, fixed column one 6 and fixed column two 7 are fixedly sleeved on the inner wall of the two flow guide plates 4 respectively, driving bevel gear 15 is fixedly connected on the outer wall of fixed column one 6 and fixed column two 7, screw rod 16 is rotatably connected in the two adjusting plates 3, slide column 17 and driven bevel gear 20 are fixedly sleeved on the outer wall of the two ends of screw rod 16 respectively, driven bevel gear 20 is engaged with driving bevel gear 15, one end of slide column 17 penetrates through adjusting plate 3 and is fixedly connected with support pad 18, driving bevel gear 15 is rotated by fixed column one 6 or fixed column two 7, thereby driving driven bevel gear 20 to rotate, and then the rotation of screw rod 16 is controlled to extend slide column 17, thereby driving support pad 18 to be supported on the inner wall of the pipeline of round pipe 1 for fixation.

[0027] The ship pipeline welding gas protection plugging device provided by the utility model, compared with the prior art, driving bevel gear 15 is rotated by rotating fixed column one 6 and fixed column two 7, thereby driving driven bevel gear 20 to rotate, and then screw rod 16 is rotated, thereby controlling the movement of slide column 17, which facilitates the fixation of support pad 18 on the inner wall of round pipe 1, and further improves the stability when filling argon between the two flow guide plates 4.

[0028] In another embodiment of the utility model, please refer to Figure 4 and Figure 5 Flow guide groove one 9 and flow guide groove two 10 are respectively provided in the two flow guide plates 4 and are respectively communicated with the interiors of the two gas bags 5, a gas hole is formed in fixed column two 7, compressed air inlet pipe one 8 is rotatably connected in fixed column one 6 and fixed column two 7, the gas hole is communicated with compressed air inlet pipe one 8 at one end, and is communicated with the interior of flow guide groove one 9 at the other end, compressed air inlet pipe two 11 is fixedly sleeved on adjusting plate 3 at the air inlet end, one end of compressed air inlet pipe two 11 is communicated with the interior of flow guide groove two 10, compressed air is filled into flow guide groove one 9 and flow guide groove two 10 through compressed air inlet pipe one 8 and compressed air inlet pipe two 11 respectively, so as to enter gas bag 5 to make it swell and press fit on the inner wall of the pipeline of round pipe 1 to form a sealed state.

[0029] In another embodiment of the utility model, please refer to Figure 3 and Figure 4The argon input pipe 12 is fixedly sleeved in the adjusting plate 3 at the air inlet end, the exhaust holes 13 are arranged in the flow guide plate 4 at the air inlet end, the exhaust holes 13 are circularly arranged in the flow guide plate 4, the exhaust end of the exhaust holes 13 penetrates the flow guide plate 4, two flow guide pipes 14 are fixedly sleeved in the flow guide plate 4 at the air outlet end, and the two flow guide pipes 14 respectively penetrate the adjusting plate 3 and the flow guide plate 4 at the air outlet end, the argon is filled into the exhaust holes 13 through the argon input pipe 12, then enters between the two flow guide plates 4 from the exhaust holes 13, and the excessive argon is discharged through the flow guide pipes 14.

[0030] In another embodiment of the present application, please refer to Figures 1 to 4 The fixed column one 6 and the fixed column two 7 penetrate the two adjusting plates 3, the two adjusting plates 3 are rotatably connected to the outer walls of the fixed column one 6 and the fixed column two 7, when the device is disassembled, the gas in the air bag 5 should be discharged first, then the fixed column one 6 and the fixed column two 7 are reversed to make the supporting pads 18 retract, so that the air bag 5 is not directly rotated by rotating the fixed column one 6 or the fixed column two 7 to cause a large friction force, the outer wall of one end of the fixed column one 6 and the fixed column two 7 is fixedly sleeved with a rotating cap 19, the rotating cap 19 can drive the fixed column one 6 and the fixed column two 7 to rotate respectively, so as to provide power for the rotation of the bevel gear 15, the slide column 17 is slidably sleeved with the adjusting plate 3, the number of the supporting pads 18 is multiple, and the supporting pads 18 are evenly arranged at the outer ends of the two adjusting plates 3, so that the adjusting plate 3 can be stably supported on the inner wall of the pipe 1.

[0031] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A ship pipeline welding gas protection plugging device, comprising a round pipe (1), the number of the round pipe (1) is two, and a weld (2) is arranged between the two round pipes (1), characterized in that: Two described pipe (1) in all sleeve joint has regulating plate (3), two block described regulating plate (3) one side all is provided with guide vane (4), two block described guide vane (4) outer wall all are fixedly connected with air bag (5), two block described guide vane (4) inner wall respectively fixed sleeve joint has fixed column one (6) and fixed column two (7), described fixed column one (6) and fixed column two (7) outer wall all are fixedly connected with drive bevel gear (15), two block described regulating plate (3) all are rotatably connected with lead screw (16), described lead screw (16) both ends outer wall respectively fixed sleeve joint has slide column (17) and driven bevel gear (20), described driven bevel gear (20) is engaged with drive bevel gear (15), described slide column (17) one end penetrates regulating plate (3) and is fixedly connected with support pad (18).

2. A ship pipe welding gas shielding plugging device according to claim 1, characterized in that: Two block described guide vane (4) respectively open in guide groove one (9) and guide groove two (10), described guide groove one (9) and guide groove two (10) are connected with two air bag (5) inside respectively, described fixed column two (7) upper open has air hole, described fixed column one (6) and fixed column two (7) rotatably connected with compressed air inlet pipe one (8), the air hole one end is communicated with compressed air inlet pipe one (8), and the air hole other end is communicated with guide groove one (9) inside.

3. A ship pipe welding gas shielding plugging device according to claim 2, characterized in that: The regulating plate (3) at the air inlet end is fixedly sleeved with a compressed air inlet pipe two (11), one end of the compressed air inlet pipe two (11) is communicated with the inside of the guide groove two (10).

4. A ship pipe welding gas shielding plugging device according to claim 1, characterized in that: The regulating plate (3) at the air inlet end is fixedly sleeved with an argon input pipe (12), the guide plate (4) at the air inlet end is provided with an exhaust hole (13), the exhaust hole (13) is circularly distributed in the guide plate (4), and the exhaust hole (13) penetrates the guide plate (4) at the air outlet end, the guide plate (4) at the air outlet end is fixedly sleeved with two guide pipes (14), and the two guide pipes (14) penetrate the regulating plate (3) and the guide plate (4) at the air outlet end.

5. A welding gas shielded plugging device for a ship pipe according to claim 1, characterized in that: The fixed column one (6) and the fixed column two (7) are arranged through the two regulating plates (3), and the outer wall of one end of the fixed column one (6) and the fixed column two (7) is fixedly sleeved with a rotating cap (19).

6. A welding gas shield for a ship pipe as claimed in claim 1, characterized in that: The slide column (17) is slidingly sleeved with the regulating plate (3), and the support pad (18) is evenly distributed on the outer end of the two regulating plates (3).

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