Pipeline welding plugging device

Abstract

The utility model relates to the technical field of pipeline welding auxiliary, and discloses a pipeline welding plugging device, including an operating table, two slide grooves are horizontally provided on the top of the operating table, two connecting columns are horizontally slidable on the top of the operating table, the two connecting columns are respectively arranged inside the two slide grooves, the bottom ends of the two connecting columns are fixedly connected with sliders, a sliding mechanism for sliding the two connecting columns is provided at the bottom of the operating table, sealing blocks are rotatably connected to the tops of the two opposite sides of the two connecting columns, a rotating mechanism for rotating the sealing blocks is provided on the surfaces of the two connecting columns, and a support frame is fixedly connected to the bottom of the operating table. The utility model can clamp the pipeline by the two sealing blocks approaching or moving away from each other during use, and can also plug the two ends of the pipeline, and it is also convenient to rotate the pipeline during the welding process, thereby improving the convenience of welding.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding auxiliary, in particular to a pipeline welding plugging device. Background Art

[0002] When using argon arc welding to weld two pipes, the inside of the pipe needs to be filled with argon to ensure the welding quality. If a small diameter pipe is being welded, the two sides of the pipe can be sealed, a small hole can be opened on one side, and then argon can be filled in. When the pipe diameter is large, this method will cause a large amount of argon loss, which is not economical and environmentally friendly. At this time, a pipe sealing device is needed.

[0003] Patent No. CN202322685054.3 discloses a pipeline welding plugging device. The device utilizes the mechanism design of a fixed component. A second threaded rod is provided in the middle of the mounting plate. The outer wall thread of the second threaded rod is interlaced with a sliding rod. A fixed frame is fixedly connected to the bottom of the sliding rod. The second threaded rod is rotated clockwise to move the fixed frame in the same direction. The second threaded rod is rotated counterclockwise to move the fixed frame in the opposite direction. This design facilitates the adjustment of the distance between the fixed frames and adapts to pipelines of different lengths. A clamping plate is provided in the middle of the fixed frame. A telescopic spring is provided at the connection between the fixed frame and the clamping plate. This design is intended to facilitate the clamping of pipelines of different widths. However, the pipeline cannot be rotated during welding, resulting in the inability to adjust the position during welding of the pipeline, thereby reducing the welding effect. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a pipeline welding plugging device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pipeline welding plugging device comprises an operating table, wherein two slide grooves are horizontally provided on the top of the operating table, and two connecting columns are horizontally slidable on the top of the operating table, and the two connecting columns are respectively arranged in the two slide grooves, and the bottom ends of the two connecting columns are fixedly connected with sliders, and the bottom of the operating table is provided with a sliding mechanism for sliding the two connecting columns, and the tops of the two opposite sides of the two connecting columns are rotatably connected with sealing blocks, and the surfaces of the two connecting columns are provided with rotating mechanisms for rotating the sealing blocks, and the bottom of the operating table is fixedly connected with a support frame, and through the arrangement of the two sealing blocks, the two sealing blocks can be moved closer or farther away from each other during use to clamp the pipeline, and at the same time, both ends of the pipeline can be blocked, and it is also convenient to rotate the pipeline during welding, thereby improving the convenience of welding.

[0007] Preferably, the sliding mechanism includes a sliding rod, fixed plates are fixedly connected at both ends of the bottom of the operating table, the two fixed plates are vertically arranged, the same sliding rod is fixedly connected between the two fixed plates, the two sliders slide between the two fixed plates, one ends of the two sliders are sleeved on the surface of the sliding rod, the same screw rod is rotatably connected between the two fixed plates, the two screw rods are respectively sleeved inside the two fixed plates, the screw rod is sleeved on the other ends of the two sliders, the two sliders are matched with the screw rod, a first motor is installed on the surface of one of the fixed plates, the output shaft of the first motor is fixedly connected to one end of the screw rod, for limiting the rotation of the screw rod, and with the cooperation of the two sliders, the two connecting columns are brought closer to or away from each other.

[0008] Furthermore, the two sealing blocks are fixedly connected with a first fixed sleeve at the center of a side away from each other, the two first fixed sleeves are each sleeved with a second fixed sleeve, the two first fixed sleeves are each horizontally provided with two limit blocks, the surfaces of the two second fixed sleeves are fixedly connected with limit blocks, the four limit blocks slide in the two limit grooves respectively, the two second fixed sleeves are fixedly connected with a rotating plate at one end away from each other, the two second fixed sleeves are each sleeved with a spring, and one end of the two springs is respectively arranged in the first fixed sleeve to limit the sliding of the two sealing blocks.

[0009] The axle up and down groove at two ends embeds respectively in two guide rails up and down of being made up of the groove on the attachment piece, and the tooth on the attachment piece is meshed with tooth on upper sprocket wheel, the lower sprocket.

[0010] The beneficial effects of the utility model are:

[0011] 1. When in use, by setting two sealing blocks, the two sealing blocks can be moved closer or farther away from each other, so as to clamp the pipeline, and at the same time, both ends of the pipeline can be blocked. During the welding process, it is also convenient to rotate the pipeline, thereby improving the convenience of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a pipeline welding plugging device proposed by the utility model;

[0013] Figure 2 This is a surface structure cross-sectional view of a pipeline welding plugging device proposed by the utility model;

[0014] Figure 3 This is a partial structural cross-sectional view of a pipeline welding plugging device proposed by the utility model;

[0015] Figure 4 The utility model is a schematic diagram of a rotating mechanism of a pipeline welding plugging device.

[0016] In the figure: 1. operating table; 11. supporting frame; 12. slide groove; 13. fixing plate; 14. sliding rod; 2. sealing block; 21. first fixing sleeve; 22. rotating plate; 23. second fixing sleeve; 24. limiting block; 25. spring; 3. connecting column; 31. sliding block; 32. connecting groove; 4. screw rod; 41. first motor; 5. rotating shaft; 51. limiting strip; 52. second motor; 6. belt; 61. pulley. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1-Figure 4 A pipeline welding plugging device comprises an operating table 1, wherein two slide grooves 12 are horizontally provided on the top of the operating table 1, and two connecting columns 3 are horizontally slidable on the top of the operating table 1, and the two connecting columns 3 are respectively arranged inside the two slide grooves 12, and the bottom ends of the two connecting columns 3 are fixedly connected with sliders 31, and a sliding mechanism for sliding the two connecting columns 3 is provided at the bottom of the operating table 1, and sealing blocks 2 are rotatably connected to the tops of the opposite sides of the two connecting columns 3, and a rotating mechanism for rotating the sealing blocks 2 is provided on the surfaces of the two connecting columns 3, and a supporting frame 11 is fixedly connected to the bottom of the operating table 1. Through the arrangement of the two sealing blocks 2, the two sealing blocks 2 can be moved closer or farther from each other during use to clamp the pipeline, and at the same time, both ends of the pipeline can be blocked, and it is also convenient to rotate the pipeline during welding, thereby improving the convenience of welding.

[0019] Reference Figure 1 and Figure 2In a preferred embodiment, the sliding mechanism includes a slide rod 14, and both ends of the bottom of the operating table 1 are fixedly connected with fixed plates 13, and the two fixed plates 13 are vertically arranged. The same slide rod 14 is fixedly connected between the two fixed plates 13, and the two sliders 31 slide between the two fixed plates 13. One end of the two sliders 31 is sleeved on the surface of the slide rod 14, and the same screw rod 4 is rotatably connected between the two fixed plates 13. The two screw rods 4 are respectively sleeved in the two fixed plates 13, and the screw rod 4 is sleeved on the other ends of the two sliders 31. The two sliders 31 are matched with the screw rod 4, and a first motor 41 is installed on the surface of one of the fixed plates 13. The output shaft of the first motor 41 is fixedly connected to one end of the screw rod 4, which is used to limit the rotation of the screw rod 4. With the cooperation of the two sliders 31, the two connecting columns 3 are moved closer to or away from each other.

[0020] Reference Figure 1 and Figure 3 In a preferred embodiment, the two sealing blocks 2 are fixedly connected with a first fixed sleeve 21 at the center of the side away from each other, and the second fixed sleeve 23 is sleeved inside the two first fixed sleeves 21. Two limit blocks 24 are horizontally opened inside the two first fixed sleeves 21, and the surfaces of the two second fixed sleeves 23 are fixedly connected with the limit blocks 24. The four limit blocks 24 slide inside the two limit grooves respectively. The ends of the two second fixed sleeves 23 away from each other are fixedly connected with a rotating plate 22. The two second fixed sleeves 23 are sleeved with springs 25, and one end of the two springs 25 is respectively arranged inside the first fixed sleeve 21 to limit the sliding of the two sealing blocks 2.

[0021] Reference Figure 1 and Figure 4 In a preferred embodiment, the rotating mechanism includes a belt 6, which is rotatably connected to the surface of one of the connecting columns 3, a connecting groove 32 is opened on the surface of one of the sliders 31, the bottom end of the belt 6 is rotatably connected to the inside of the connecting groove 32, two pulleys 61 are arranged inside the belt 6, a fixed shaft is fixedly connected to the center of one side of the rotating plate 22 surface, the fixed shaft is sleeved inside the connecting column 3, one of the pulleys 61 is fixedly connected to one end of the fixed shaft, and a rotating shaft 5 is horizontally rotatably connected inside the operating table 1, and the two ends of the rotating shaft 5 are respectively sleeved on the two fixed plates 13, the surface of the rotating shaft 5 is horizontally fixedly connected with two limit bars 51, the two limit bars 51 are respectively arranged between the two fixed plates 13, the rotating shaft 5 and the two limit bars 51 are both sleeved inside the two sliders 31, another pulley 61 is rotatably connected to one side of the inside of the connecting groove 32, another pulley 61 is sleeved on the rotating shaft 5 and the surface of the two limit bars 51, and the other pulley 61 cooperates with the two limit bars 51 to limit the rotation of the rotating shaft 5 and the two limit bars 51, and under the connection of the belt 6, the two sealing blocks 2 are rotated.

[0022] From the above description, it can be seen that the above-mentioned embodiment of the utility model achieves the following technical effects: in actual use, through the setting of the two sealing blocks 2, the two sealing blocks 2 can be moved closer or farther away from each other during use, so as to clamp the pipeline, and at the same time, both ends of the pipeline can be blocked, and it is also convenient to rotate the pipeline during the welding process, thereby improving the convenience of welding. When in use, the pipeline to be welded is placed between the two sealing blocks 2, and then the first motor 41 is driven to drive the screw rod 4 to rotate, and under the cooperation of the two sliders 31, the two sliders 31 and the two connecting columns 3 are mutually Get closer, then see that each two sealing blocks 2 are clamped with the two ends of the pipe, and make the two sealing blocks 2 fit the two ends of the pipe precisely. At this time, the two pipes will be blocked, and then welding can be performed at the required position. During welding, the rotating shaft 5 can be driven to rotate by driving the second motor 52. Under the restriction of the two limit bars 51, two of the pulleys 61 can be rotated, and through the connection of the two belts 6, the other two pulleys 61 can be rotated, so that the two rotating plates 22 and the two sealing blocks 2 can be rotated at the same time, so that the pipe to be welded can be rotated, thereby making welding more convenient.

[0023] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pipeline welding plugging device, comprising an operating table (1), characterized in that: The top of the operating table (1) is provided with two horizontal slide grooves (12), the top of the operating table (1) is provided with two horizontally sliding connection columns (3), the two connection columns (3) are respectively arranged inside the two slide grooves (12), the bottom ends of the two connection columns (3) are fixedly connected with a slider (31), the bottom of the operating table (1) is provided with a sliding mechanism for sliding the two connection columns (3), the tops of the two opposite sides of the two connection columns (3) are rotatably connected with sealing blocks (2), the surfaces of the two connection columns (3) are provided with a rotating mechanism for rotating the sealing blocks (2), and the bottom of the operating table (1) is fixedly connected with a support frame (11).

2. A pipeline welding plugging device according to claim 1, characterized in that: The sliding mechanism comprises a sliding rod (14), both ends of the bottom of the operating table (1) are fixedly connected with fixed plates (13), the two fixed plates (13) are vertically arranged, the same sliding rod (14) is fixedly connected between the two fixed plates (13), the two sliding blocks (31) slide between the two fixed plates (13), and one end of the two sliding blocks (31) is sleeved on the surface of the sliding rod (14).

3. A pipeline welding plugging device according to claim 2, characterized in that: A same screw rod (4) is rotatably connected between the two fixed plates (13). The two screw rods (4) are respectively sleeved inside the two fixed plates (13). The screw rod (4) is sleeved on the other ends of two sliders (31). Both sliders (31) are matched with the screw rod (4). A first motor (41) is installed on the surface of one of the fixed plates (13). The output shaft of the first motor (41) is fixedly connected to one end of the screw rod (4).

4. A pipeline welding plugging device according to claim 3, characterized in that: The two sealing blocks (2) are fixedly connected with a first fixing sleeve (21) at the center of a side away from each other, and a second fixing sleeve (23) is sleeved inside the two first fixing sleeves (21). Two limit blocks (24) are horizontally provided inside the two first fixing sleeves (21). The surfaces of the two second fixing sleeves (23) are fixedly connected with the limit blocks (24). The four limit blocks (24) slide inside the two limit grooves respectively. The two second fixing sleeves (23) are fixedly connected with a rotating plate (22) at one end away from each other. The two second fixing sleeves (23) are sleeved with a spring (25), and one end of the two springs (25) is respectively arranged inside the first fixing sleeve (21).

5. A pipeline welding plugging device according to claim 4, characterized in that: The rotating mechanism comprises a belt (6), the belt (6) is rotatably connected to the surface of one of the connecting columns (3), a connecting groove (32) is provided on the surface of one of the sliding blocks (31), the bottom end of the belt (6) is rotatably connected to the inside of the connecting groove (32), two pulleys (61) are provided inside the belt (6), a fixed shaft is fixedly connected to the center of one side of the surface of the rotating plate (22), the fixed shaft sleeve is arranged inside the connecting column (3), and one of the pulleys (61) is fixedly connected to one end of the fixed shaft.

6. A pipeline welding plugging device according to claim 5, characterized in that: The operating table (1) is horizontally rotatably connected with a rotating shaft (5), the two ends of the rotating shaft (5) are respectively sleeved inside the two fixed plates (13), the surface of the rotating shaft (5) is horizontally fixedly connected with two limit bars (51), the two limit bars (51) are respectively arranged between the two fixed plates (13), the rotating shaft (5) and the two limit bars (51) are both sleeved inside the two sliding blocks (31), the other pulley (61) is rotatably connected to one side of the inside of the connecting groove (32), the other pulley (61) is sleeved on the rotating shaft (5) and the surface of the two limit bars (51), and the other pulley (61) cooperates with the two limit bars (51).

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