Device for assisting gas cutting of groove

Abstract

The invention provides a device for assisting gas cutting of a groove, comprising: a fixing sleeve which sleeves a target pipeline and comprises a first arc-shaped plate and a second arc-shaped plate, and the first arc-shaped plate and the second arc-shaped plate are arranged face to face to form a cylindrical structure; the rotating part is connected with the first side of the first arc-shaped plate and the third side of the second arc-shaped plate; the locking component is respectively connected with the second side of the first arc-shaped plate and the fourth side of the second arc-shaped plate; and the cutting angle control assembly comprises a first cutting angle control component and a second cutting angle control component, the first cutting angle control component and the third side of the first arc-shaped plate form a preset included angle, and the second cutting angle control component and the third side of the second arc-shaped plate form a preset included angle. When the device is used, the device is arranged on a target pipeline in a sleeving mode, a gas cutting gun is tightly attached to the first cutting angle control component and the second cutting angle control component, gas cutting machining operation is carried out along the outer wall of the target pipeline, the gas cutting angle is kept unchanged all the time, and the groove angle precision is high.

Description

Technical Field

[0001] The invention relates to the field of flange disassembly, and in particular to a device for assisting gas cutting grooves. Background Art

[0002] When performing water injection pipeline jointing or partial replacement operations, gas cutting is required for groove processing. Due to the influence of the operating space position and the gas cutting level, the processed groove angle deviation is large, the quality is low, the operation is time-consuming and labor-intensive, and the work efficiency is low, which affects the welding quality and welding efficiency. Summary of the invention

[0003] The present invention provides a device for assisting gas cutting of grooves, which can assist gas cutting in groove processing operations, improve the processing accuracy of the grooves, and is convenient, fast, time-saving and labor-saving.

[0004] In view of this, the present invention proposes a device for assisting gas cutting bevels, comprising: a fixed sleeve, which is sleeved on the target pipeline, comprising a first arc plate and a second arc plate, the first arc plate and the second arc plate are arranged face to face to form a cylindrical structure; a rotating component, respectively connecting the first side of the first arc plate and the third side of the second arc plate; a locking component, respectively connecting the second side of the first arc plate and the fourth side of the second arc plate; a cutting angle control component, comprising a first cutting angle control component and a second cutting angle control component, the first cutting angle control component and the third side of the first arc plate are arranged at a preset angle, and the second cutting angle control component and the third side of the second arc plate are arranged at a preset angle.

[0005] In some optional embodiments, the inner diameter of the first curved plate is the same as the outer diameter of the target pipe, and the inner diameter of the second curved plate is the same as the outer diameter of the target pipe.

[0006] In some optional embodiments, the central angles of the first arc-shaped plate and the second arc-shaped plate are both 180°.

[0007] In some optional embodiments, the rotating component is a hinge or a hinge.

[0008] In some optional embodiments, the locking component includes a first fastening plate, a second fastening plate and a fastening component, the first fastening plate is connected to the second side of the first arc plate, the second fastening plate is connected to the third side of the second arc plate, and the fastening component passes through the first fastening plate and the second fastening plate.

[0009] In some optional embodiments, the fastening component is a bolt.

[0010] In some optional embodiments, the angle between the first cutting angle control component and the third side of the first arc plate is 0 to 180°; the angle between the second cutting angle control component and the third side of the second arc plate is 0 to 180°.

[0011] In some optional embodiments, the first cutting angle control component and the second cutting angle control component are both arc-shaped plates.

[0012] In some optional embodiments, the inner diameter of the first cutting angle control component is the same as the inner diameter of the first arc-shaped plate; the inner diameter of the second cutting angle control component is the same as the inner diameter of the second arc-shaped plate.

[0013] In some optional embodiments, the central angles corresponding to the first cutting angle control component and the second cutting angle control component are both 180°.

[0014] Compared with the prior art, the present invention has the following technical effects:

[0015] The device for assisting gas cutting grooves comprises: a fixed sleeve, a rotating component and a locking component. The fixed sleeve is sleeved on the target pipeline. The fixed sleeve comprises a first curved plate and a second curved plate. The first curved plate and the second curved plate are arranged face to face to form a cylindrical structure, so that the fixed sleeve can be sleeved on the target pipeline. The rotating component is respectively connected to the first side of the first curved plate and the third side of the second curved plate. The first curved plate and the second curved plate can rotate around the rotating component, so that the fixed sleeve can be easily sleeved on the target pipeline; the locking components are respectively connected to the second side of the first curved plate and the fourth side of the second curved plate. When the fixed sleeve is sleeved on the target pipeline, the fixed sleeve can be locked by the locking component. It is firmly locked in the target pipeline to prevent movement; the cutting angle control component includes a first cutting angle control component and a second cutting angle control component, the first cutting angle control component and the third side of the first arc plate are set at a preset angle, and the second cutting angle control component and the third side of the second arc plate are set at a preset angle. When in use, the device is sleeved on the target pipeline, and a gas cutting gun is used to close the first cutting angle control component and the second cutting angle control component, and gas cutting processing operations are performed along the outer wall of the target pipeline. The gas cutting angle remains unchanged, and the groove angle of the target pipeline is highly accurate. The device is easy to operate, fast, time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 A schematic diagram of the first angle structure of an auxiliary gas cutting groove device provided by an embodiment of the present invention;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure from a second angle of the provided embodiment;

[0019] Figure 3 A schematic cross-sectional structure diagram of an auxiliary gas cutting bevel device provided in one embodiment of the present invention.

[0020] in, Figures 1 to 3 The corresponding relationship between the reference numerals and component names in the figure is:

[0021] 1-fixed sleeve; 11-first arc plate; 12-second arc plate; 2-rotating component; 23-fastening component; 3-locking component; 31-first fastening plate; 32-second fastening plate; 4-cutting angle control component; 41-first cutting angle control component; 42-second cutting angle control component. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0024] When performing water injection pipeline jointing or partial replacement operations, gas cutting is required for groove processing. Due to the influence of the operating space position and the gas cutting level, the processed groove angle deviation is large, the quality is low, the operation is time-consuming and labor-intensive, and the work efficiency is low, which affects the welding quality and welding efficiency.

[0025] The present invention provides a device for assisting gas cutting of grooves, which can assist gas cutting in groove processing operations, improve the processing accuracy of the grooves, and is convenient, fast, time-saving and labor-saving.

[0026] In some optional embodiments, a fixed sleeve 1 is sleeved on the target pipe, and includes a first curved plate 11 and a second curved plate 12, and the first curved plate 11 and the second curved plate 12 are arranged face to face to form a cylindrical structure; the rotating component 2 is respectively connected to the first side of the first curved plate 11 and the third side of the second curved plate 12; the locking component 3 is respectively connected to the second side of the first curved plate 11 and the fourth side of the second curved plate 12; a cutting angle control component 4, the cutting angle control component 4 includes a first cutting angle control component 41 and a second cutting angle control component 42, the first cutting angle control component 41 is set at a preset angle with the third side of the first curved plate 11, and the second cutting angle control component 42 is set at a preset angle with the third side of the second curved plate 12.

[0027] Specifically, the device for assisting gas cutting grooves includes: a fixed sleeve 1, a rotating component 2, a locking component 3 and a cutting angle control component 4. The fixed sleeve 1 is sleeved on the target pipeline. The fixed sleeve 1 includes a first curved plate 11 and a second curved plate 12. The first curved plate 11 and the second curved plate 12 are arranged face to face to form a cylindrical structure, so that the fixed sleeve 1 can be sleeved on the target pipeline. The rotating component 2 is respectively connected to the first side of the first curved plate 11 and the third side of the second curved plate 12. The first curved plate 11 and the second curved plate 12 can rotate around the rotating component 2, so that the fixed sleeve 1 can be easily sleeved on the target pipeline; the locking components 3 are respectively connected to the second side of the first curved plate 11 and the fourth side of the second curved plate 12. When the fixed sleeve 1 is sleeved on the target pipeline The locking component 3 can be used to firmly lock the fixing sleeve 1 on the target pipeline to prevent movement; the cutting angle control component 4 includes a first cutting angle control component 41 and a second cutting angle control component 42. The first cutting angle control component 41 and the third side of the first arc plate 11 are set at a preset angle, and the second cutting angle control component 42 and the third side of the second arc plate 12 are set at a preset angle. When in use, the device is sleeved on the target pipeline, and a gas cutting gun is used to close the first cutting angle control component 41 and the second cutting angle control component 42, and gas cutting processing operations are performed along the outer wall of the target pipeline. The gas cutting angle remains unchanged, and the groove angle of the target pipeline has high precision. The device is easy to operate, fast, time-saving and labor-saving.

[0028] Further, the first side and the second side of the first arc plate 11 are arranged in parallel, and the first side and the second side are arranged face to face. The third side and the fourth side of the second arc plate 12 are arranged in parallel.

[0029] In some optional embodiments, the inner diameter of the first curved plate 11 is the same as the outer diameter of the target pipe, and the inner diameter of the second curved plate 12 is the same as the outer diameter of the target pipe.

[0030] Specifically, the first curved plate 11 and the second curved plate 12 are arranged face to face to form a cylindrical structure, so that the fixed sleeve 1 can be sleeved on the target pipeline, and the rotating component 2 is respectively connected to the first side of the first curved plate 11 and the third side of the second curved plate 12. The first curved plate 11 and the second curved plate 12 can rotate around the rotating component 2, so that the fixed sleeve 1 can be easily sleeved on the target pipeline.

[0031] In some optional embodiments, the central angles of the first arc plate 11 and the second arc plate 12 are both 180°.

[0032] Specifically, the first curved plate 11 and the second curved plate 12 are arranged face to face to form a cylindrical structure, so that the fixed sleeve 1 can be sleeved on the target pipeline, and the rotating component 2 is respectively connected to the first side of the first curved plate 11 and the third side of the second curved plate 12. The first curved plate 11 and the second curved plate 12 can rotate around the rotating component 2, so that the fixed sleeve 1 can be easily sleeved on the target pipeline.

[0033] In some optional embodiments, the rotating component 2 is a hinge or a hinge.

[0034] Specifically, the rotating component 2 is respectively connected to the first side of the first curved plate 11 and the third side of the second curved plate 12, and the first curved plate 11 and the second curved plate 12 can rotate around the rotating component 2, so as to control the angle between the first side of the first curved plate 11 and the third side of the second curved plate 12, and realize the opening and closing of the first curved plate 11 and the second curved plate 12, so that the fixing sleeve 1 can be easily put on the target pipeline and can also be easily removed from the target pipeline.

[0035] In some optional embodiments, the locking component 3 includes a first fastening plate 31, a second fastening plate 32 and a fastening component 23, the first fastening plate 31 is connected to the second side of the first arc plate 11, the second fastening plate 32 is connected to the third side of the second arc plate 12, and the fastening component 23 passes through the first fastening plate 31 and the second fastening plate 32.

[0036] Specifically, the locking component 3 is connected to the second side of the first arc plate 11 and the fourth side of the second arc plate 12 respectively. When the fixing sleeve 1 is sleeved on the target pipe, the fixing sleeve 1 can be firmly locked in the target pipe by the locking component 3 to prevent movement. The first fastening plate 31 is connected to the second side of the first arc plate 11, the second fastening plate 32 is connected to the third side of the second arc plate 12, and the fastening component 23 passes through the first fastening plate 31 and the second fastening plate 32, thereby locking the first arc plate 11 and the second arc plate 12.

[0037] In some optional embodiments, the fastening component 23 is a bolt.

[0038] Specifically, the first fastening plate 31 is provided with a first mounting hole, and the first mounting hole can be provided with one or more, and the second fastening plate 32 is provided with a second mounting hole, and the second mounting hole can be provided with one or more. Each first mounting hole and each second mounting hole are provided in a one-to-one correspondence. A bolt passes through a first mounting hole and a second mounting hole, thereby achieving the fixation of the first fastening plate 31 and the second fastening plate 32, so that the first arc plate 11 and the second arc plate 12 form a cylindrical structure that can be sleeved on the target pipeline.

[0039] In some optional embodiments, the angle between the first cutting angle control component 41 and the third side of the first arc plate 11 is 0-180°; the angle between the second cutting angle control component 42 and the third side of the second arc plate 12 is 0-180°.

[0040] Optionally, the angle between the first cutting angle control component 41 and the third side of the first curved plate 11 is 30°, 45°, 60°, 90° and 135°. When in use, the first curved plate 11 and the second curved plate 12 are formed into a cylindrical structure and sleeved on the target pipeline, and a gas cutting gun is used to close the first cutting angle control component 41 and the second cutting angle control component 42, and a gas cutting operation is performed along the outer wall of the target pipeline, and the gas cutting angle remains unchanged, and the groove angle of the target pipeline is highly accurate. The device is easy to operate, fast, time-saving and labor-saving.

[0041] In some optional embodiments, the first cutting angle control component 41 and the second cutting angle control component 42 are both arc-shaped plates.

[0042] Specifically, the angle between the first cutting angle control component 41 and the third side of the first curved plate 11 is 30°, 45°, 60°, 90° and 135°. When in use, the first curved plate 11 and the second curved plate 12 are formed into a cylindrical structure and sleeved on the target pipeline, and a gas cutting gun is used to close the first cutting angle control component 41 and the second cutting angle control component 42, and the gas cutting operation is performed along the outer wall of the target pipeline, and the gas cutting angle remains unchanged, and the groove angle accuracy of the target pipeline is high. The device is convenient, fast, time-saving and labor-saving to operate. The curved plate can better fit with the first curved plate 11 or the second curved plate 12, so that the gas cutting gun can easily fit with the first curved plate 11 or the second curved plate 12, thereby improving the groove angle accuracy of the target pipeline.

[0043] In some optional embodiments, the inner diameter of the first cutting angle control component 41 is the same as the outer diameter of the first arc plate 11 ; the inner diameter of the second cutting angle control component 42 is the same as the outer diameter of the second arc plate 12 .

[0044] Specifically, the angle between the first cutting angle control component 41 and the third side of the first curved plate 11 is 30°, 45°, 60°, 90° and 135°. When in use, the first curved plate 11 and the second curved plate 12 are formed into a cylindrical structure and sleeved on the target pipeline, and a gas cutting gun is used to close the first cutting angle control component 41 and the second cutting angle control component 42, and the gas cutting operation is performed along the outer wall of the target pipeline, the gas cutting angle remains unchanged, and the groove angle of the target pipeline is highly accurate. The device is easy to operate, fast, time-saving and labor-saving.

[0045] In some optional embodiments, the central angles corresponding to the first cutting angle control component 41 and the second cutting angle control component 42 are both 180°.

[0046] Specifically, the first cutting angle control component 41 and the second cutting angle control component 42 are both arc-shaped plates, and the central angles of the first cutting angle control component 41 and the second cutting angle control component 42 are both 180°. The arc-shaped plate can better fit with the first arc-shaped plate 11 or the second arc-shaped plate 12, so that the gas cutting gun can be more easily attached to the first arc-shaped plate 11 or the second arc-shaped plate 12, thereby improving the groove angle accuracy of the target pipeline.

[0047] In the present invention, the term "plurality" means at least two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0048] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for assisting gas cutting grooves, characterized in that: include: A fixed sleeve (1) is sleeved on a target pipe and comprises a first curved plate (11) and a second curved plate (12), wherein the first curved plate (11) and the second curved plate (12) are arranged face to face to form a cylindrical structure; A rotating component (2) connected to the first side of the first arc-shaped plate (11) and the third side of the second arc-shaped plate (12); A locking component (3) connected to the second side of the first arc-shaped plate (11) and the fourth side of the second arc-shaped plate (12); The cutting angle control assembly (4) comprises a first cutting angle control component (41) and a second cutting angle control component (42), wherein the first cutting angle control component (41) and the third side of the first curved plate (11) are arranged at a preset angle, and the second cutting angle control component (42) and the third side of the second curved plate (12) are arranged at a preset angle.

2. The device for assisting gas cutting groove according to claim 1, characterized in that: The inner diameter of the first arc-shaped plate (11) is the same as the outer diameter of the target pipe, and the inner diameter of the second arc-shaped plate (12) is the same as the outer diameter of the target pipe.

3. The device for assisting gas cutting groove according to claim 2, characterized in that: The central angles corresponding to the first arc-shaped plate (11) and the second arc-shaped plate (12) are both 180°.

4. The device for assisting gas cutting groove according to claim 3, characterized in that: The rotating component (2) is a hinge or a hinge.

5. The device for assisting gas cutting groove according to claim 1, characterized in that: The locking component (3) comprises a first fastening plate (31), a second fastening plate (32) and a fastening component (23), wherein the first fastening plate (31) is connected to the second side of the first arc-shaped plate (11), the second fastening plate (32) is connected to the third side of the second arc-shaped plate (12), and the fastening component (23) passes through the first fastening plate (31) and the second fastening plate (32).

6. The device for assisting gas bevel cutting according to claim 5, characterized in that: The fastening component (23) is a bolt.

7. The device for assisting gas bevel cutting according to claim 1, characterized in that: The angle between the first cutting angle control component (41) and the third side of the first arc-shaped plate (11) is 0 to 180°; The included angle between the second cutting angle control component (42) and the third side of the second arc-shaped plate (12) is 0 to 180 degrees.

8. The device for assisting gas bevel cutting according to claim 3, characterized in that: The first cutting angle control component (41) and the second cutting angle control component (42) are both arc-shaped plates.

9. The device for assisting gas bevel cutting according to claim 8, characterized in that: The inner diameter of the first cutting angle control component (41) is the same as the inner diameter of the first arc-shaped plate (11); the inner diameter of the second cutting angle control component (42) is the same as the inner diameter of the second arc-shaped plate (12).

10. The device for assisting gas bevel cutting according to claim 1, characterized in that: The central angles corresponding to the first cutting angle control component (41) and the second cutting angle control component (42) are both 180°.

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