Welding tool for replacing pipeline of furnace tube of cracking furnace

Abstract

The utility model discloses a cracking furnace tube replacement pipeline welding tool which comprises a first semicircular ring, the right side of the first semicircular ring is movably connected with a second semicircular ring, sliding grooves are formed in the top of the first semicircular ring and the top of the second semicircular ring, and sliding blocks are movably connected into the sliding grooves. The interior of the sliding block is in threaded connection with a first threaded rod. An operator can take out the welding device in the storage box and then weld the cracking furnace and the pipeline, and during welding, due to the fact that a circle of the pipeline needs to be welded, the operator needs to frequently adjust the position of the operator, the operator can clamp a welding gun through the clamping assembly and then rotate the sliding block, and then the cracking furnace is welded. The position of the welding gun can be quickly and easily adjusted, an operator can quickly, conveniently and safely adjust the position of the welding gun by liberating the two hands of the operator, then the welding gun is taken down again, the cracking furnace and the pipeline are continuously welded, and the device has the advantage of being convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding tool for replacing a cracking furnace tube. Background Art

[0002] Tubular cracking furnace refers to equipment that performs hydrocarbon cracking reaction in the furnace tube. It is often used in the petroleum field and is mainly composed of radiation chamber (furnace), convection chamber, smoke chamber and nozzle for supplying heat source. Fuel oil is sprayed into the furnace through the nozzle and burned, and the generated flue gas flows through the convection chamber and is discharged from the chimney. Furnace tubes are stored in the radiation chamber and convection chamber. The raw oil is heated to the required temperature in the furnace tube to undergo cracking reaction to generate cracking gas (olefins). The cracking gas is rapidly cooled and enters the separation device. The furnace tube is made of alloy steel casting tube.

[0003] Welding equipment is required when replacing pipes in cracking furnaces. In actual applications, operators need to use tools to climb on the surface of the cracking furnace. When welding pipes, they need to hold welding equipment. At this time, the operator is in a high-altitude working state, which makes it inconvenient for the operator to construct. Therefore, it is necessary to design and modify the welding tooling for replacing the cracking furnace tubes to effectively prevent it from being inconvenient to use. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a cracking furnace tube replacement pipeline welding tool, which has the advantage of being easy to use and solves the problem that welding equipment is needed when replacing the pipeline of the cracking furnace. In actual application, the operator needs to use tools to climb on the surface of the cracking furnace. When welding the pipeline, the operator needs to hold the welding equipment, and the operator is in a high-altitude working state, which makes it inconvenient for the operator to construct.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding tool for replacing a cracking furnace tube, comprising a first semicircular ring, a second semicircular ring movably connected to the right side of the first semicircular ring, a slide groove is provided on the top of the first semicircular ring and the second semicircular ring, and a slider is movably connected inside the slide groove, a first threaded rod is threadedly connected to the inside of the slider, a clamping assembly is provided on the top of the first threaded rod, a support plate is fixedly connected to the right side of the second semicircular ring, a storage box is fixedly connected to the top of the support plate, a welding assembly is provided inside the storage box, a connecting plate is movably connected to the bottom of the first semicircular ring and the second semicircular ring, a bolt is movably connected to the bottom of the connecting plate, the bolts are respectively threadedly connected to the first semicircular ring and the second semicircular ring, the first semicircular ring and the second semicircular ring are fixedly connected to the bottom of the fixing block, the second threaded rod is threadedly connected to the surface of the second threaded rod, the number of the bolts is several, and the surface of the bolts is sprayed with anti-rust paint.

[0006] As a preferred embodiment of the utility model, the clamping assembly includes a fixed plate fixedly connected to the top of the first threaded rod, a movable groove is provided on the top of the fixed plate, and the front and rear sides inside the movable groove are movably connected with clamping plates, the front and rear sides of the top of the fixed plate are fixedly connected with positioning plates, the surface of the positioning plate is fixedly connected with a compression spring, the compression spring is fixedly connected to the clamping plate, the surface of the compression spring has several surfaces, and the surface of the compression spring is sprayed with anti-rust paint.

[0007] As a preferred embodiment of the utility model, a cover plate is hinged on the top of the storage box, a handle is fixedly connected to the top of the cover plate, and a mechanical lock is arranged inside the storage box.

[0008] As a preferred embodiment of the utility model, a turning handle is fixedly connected to the surface of the second threaded rod, and the surface of the turning handle is provided with anti-skid grooves, and the number of anti-skid grooves is several, and an anti-skid pad is fixedly connected to the surface of the pressure plate, and the anti-skid pad is made of rubber material.

[0009] As a preferred embodiment of the utility model, the surfaces of the first semicircular ring and the second semicircular ring are both fixedly connected with hanging rings, the number of the hanging rings is several, and the hanging rings are evenly distributed on the surfaces of the first semicircular ring and the second semicircular ring.

[0010] As a preferred embodiment of the utility model, the right side of the first semicircular ring is fixedly connected to a limiting rod, the left side of the second semicircular ring is provided with a limiting groove, and the inner diameter of the limiting groove is slightly larger than the diameter of the limiting rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model allows an operator to take out a welding device in a storage box, and then weld the cracking furnace and the pipeline. During welding, since a circle of the pipeline needs to be welded, the operator needs to frequently adjust his position. The operator can clamp the welding gun through the clamping assembly, and then rotate the slider to quickly and easily adjust the position of the welding gun. Then the operator frees his hands, can quickly, conveniently and safely adjust his position, and then take off the welding gun again to continue welding the cracking furnace and the pipeline. The device has the advantage of being easy to use.

[0013] 2. The utility model provides a clamping assembly so that the operator can move the clamping plate toward the front and rear sides to increase the distance between the two clamping plates, and then place the welding gun between the two clamping plates. The operator then releases the compression spring, and under the action of the compression spring, the two clamping plates move closer to each other until the welding gun is clamped, thereby fixing the welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the first semicircular ring structure of the utility model;

[0016] Figure 3 This is a schematic top view of the clamping assembly structure of the utility model;

[0017] Figure 4 It is a bottom view schematic diagram of the structure of the utility model.

[0018] In the figure: 1. first semicircular ring; 2. second semicircular ring; 3. slider; 4. first threaded rod; 5. clamping assembly; 6. support plate; 7. storage box; 8. connecting plate; 9. bolt; 10. fixing block; 11. second threaded rod; 12. pressure plate; 13. turning handle; 14. anti-slip pad; 15. fixing plate; 16. clamping plate; 17. positioning plate; 18. compression spring; 19. cover plate; 20. handle; 21. mechanical lock; 22. lifting ring; 23. limiting rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figures 1 to 4 As shown, a welding tool for replacing a cracking furnace tube comprises a first semicircular ring 1, the right side of the first semicircular ring 1 is movably connected with a second semicircular ring 2, the tops of the first semicircular ring 1 and the second semicircular ring 2 are both provided with a slide groove, and a slider 3 is movably connected inside the slide groove, the first threaded rod 4 is internally threadedly connected to the slider 3, a clamping assembly 5 is provided on the top of the first threaded rod 4, a support plate 6 is fixedly connected to the right side of the second semicircular ring 2, a storage box 7 is fixedly connected to the top of the support plate 6, a welding assembly is provided inside the storage box 7, the bottoms of the first semicircular ring 1 and the second semicircular ring 2 are both movably connected with a connecting plate 8, the bottom of the connecting plate 8 is movably connected with a bolt 9, the bolt 9 is threadedly connected to the first semicircular ring 1 and the second semicircular ring 2 respectively, the bottoms of the first semicircular ring 1 and the second semicircular ring 2 are both fixedly connected with a fixing block 10, the internal thread of the fixing block 10 is connected with a second threaded rod 11, the surface of the second threaded rod 11 is fixedly connected with a pressure plate 12, the number of the bolts 9 is several, and the surface of the bolts 9 is sprayed with anti-rust paint.

[0021] refer to Figure 1 and Figure 2The clamping assembly 5 includes a fixing plate 15 fixedly connected to the top of the first threaded rod 4, a movable groove is provided on the top of the fixing plate 15, and the front and rear sides of the movable groove are movably connected with clamping plates 16, the front and rear sides of the top of the fixing plate 15 are fixedly connected with positioning plates 17, the surface of the positioning plate 17 is fixedly connected with a compression spring 18, the compression spring 18 is fixedly connected to the clamping plate 16, the surface of the compression spring 18 is several in number, and the surface of the compression spring 18 is sprayed with anti-rust paint.

[0022] As a technical optimization solution of the utility model, through the setting of the clamping assembly 5, the operator can move the clamping plate 16 to the front and rear sides to increase the distance between the two clamping plates 16, and then put the welding gun between the two clamping plates 16, and then the operator releases the compression spring 18. Under the action of the compression spring 18, the two clamping plates 16 approach each other until the welding gun is clamped, thereby fixing the welding.

[0023] refer to Figure 1 and Figure 4 A cover plate 19 is hinged on the top of the storage box 7 , a handle 20 is fixedly connected to the top of the cover plate 19 , and a mechanical lock 21 is arranged inside the storage box 7 .

[0024] As a technical optimization solution of the present invention, the welding components in the storage box 7 can be protected and sealed by providing the cover plate 19, the handle 20 and the mechanical lock 21.

[0025] refer to Figure 1 and Figure 4 A handle 13 is fixedly connected to the surface of the second threaded rod 11. The surface of the handle 13 is provided with anti-skid patterns, and the number of anti-skid patterns is several. An anti-skid pad 14 is fixedly connected to the surface of the pressure plate 12. The anti-skid pad 14 is made of rubber material.

[0026] As a technical optimization solution of the utility model, by setting the turning handle 13, the operator can use the principle of the labor-saving lever, so that the operator can easily rotate the second threaded rod 11. By setting the anti-slip pad 14, the friction between the pressure plate 12 and the cracking furnace can be increased, and the stability of the device can be improved by increasing heat.

[0027] refer to Figure 1 and Figure 4 The surfaces of the first semicircular ring 1 and the second semicircular ring 2 are fixedly connected with hanging rings 22. The number of the hanging rings 22 is several, and the hanging rings 22 are evenly distributed on the surfaces of the first semicircular ring 1 and the second semicircular ring 2.

[0028] As a technical optimization solution of the utility model, the provision of the lifting ring 22 can facilitate the operator to lift the first semicircular ring 1 and the second semicircular ring 2, and then facilitate the operator to install the first semicircular ring 1 and the second semicircular ring 2.

[0029] refer to Figure 1 , Figure 2 and Figure 4 The right side of the first semicircular ring 1 is fixedly connected to a limiting rod 23 , and the left side of the second semicircular ring 2 is provided with a limiting groove, and the inner diameter of the limiting groove is slightly larger than the diameter of the limiting rod 23 .

[0030] As a technical optimization solution of the utility model, the first semicircular ring 1 and the second semicircular ring 2 can be positioned by setting the limiting rod 23 and the limiting groove.

[0031] The working principle and use process of the utility model are as follows: when in use, the operator aligns the limit groove with the limit rod 23, and then inserts the limit rod 23 into the limit groove, and then installs the first semicircular ring 1 and the second semicircular ring 2, and then the operator uses the lifting device to move the device to a suitable height, and then the operator rotates the handle 13 to drive the second threaded rod 11 to rotate, and then drives the pressure plate 12 to approach the cracking furnace until the pressure plate 12 presses the cracking furnace, and then fixes the first semicircular ring 1 and the second semicircular ring 2;

[0032] The operator can take out the welding device in the storage box 7, and then weld the cracking furnace and the pipeline. During welding, since a circle of the pipeline needs to be welded, the operator needs to frequently adjust his own position. The operator can clamp the welding gun through the clamping assembly 5, and then rotate the slider 3, and then quickly and easily adjust the position of the welding gun. Then the operator frees his hands and can quickly, conveniently and safely adjust his own position, and then take out the welding gun again to continue welding the cracking furnace and the pipeline. The operator can rotate the fixing plate 15, and then drive the first threaded rod 4 to rotate, and then adjust the height of the fixing plate 15, and then adjust the fixing height of the welding gun, so as to facilitate the operator to fix the welding gun.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding tool for replacing a cracking furnace tube, comprising a first semicircular ring (1), characterized in that: The right side of the first semicircular ring (1) is movably connected to the second semicircular ring (2); the tops of the first semicircular ring (1) and the second semicircular ring (2) are both provided with a slide groove, and the inside of the slide groove is movably connected to a slider (3); the inside of the slider (3) is threadedly connected to a first threaded rod (4); the top of the first threaded rod (4) is provided with a clamping assembly (5); the right side of the second semicircular ring (2) is fixedly connected to a support plate (6); the top of the support plate (6) is fixedly connected to a storage box (7); the inside of the storage box (7) is provided with A welding assembly, wherein the bottoms of the first semicircular ring (1) and the second semicircular ring (2) are both movably connected to a connecting plate (8), the bottoms of the connecting plates (8) are movably connected to bolts (9), the bolts (9) are respectively threadedly connected to the first semicircular ring (1) and the second semicircular ring (2), the bottoms of the first semicircular ring (1) and the second semicircular ring (2) are both fixedly connected to a fixing block (10), the interior of the fixing block (10) is threadedly connected to a second threaded rod (11), and the surface of the second threaded rod (11) is fixedly connected to a pressure plate (12).

2. The welding tool for replacing a cracking furnace tube according to claim 1, characterized in that: The clamping assembly (5) comprises a fixing plate (15) fixedly connected to the top of the first threaded rod (4); a movable groove is provided at the top of the fixing plate (15); the front and rear sides of the movable groove are movably connected to a clamping plate (16); the front and rear sides of the top of the fixing plate (15) are fixedly connected to a positioning plate (17); a surface of the positioning plate (17) is fixedly connected to a compression spring (18); and the compression spring (18) is fixedly connected to the clamping plate (16).

3. The welding tool for replacing a cracking furnace tube according to claim 1, characterized in that: A cover plate (19) is hingedly connected to the top of the storage box (7), a handle (20) is fixedly connected to the top of the cover plate (19), and a mechanical lock (21) is arranged inside the storage box (7).

4. The welding tool for replacing a cracking furnace tube according to claim 1, characterized in that: A handle (13) is fixedly connected to the surface of the second threaded rod (11), and the surface of the handle (13) is provided with a plurality of anti-skid patterns, and an anti-skid pad (14) is fixedly connected to the surface of the pressure plate (12), and the anti-skid pad (14) is made of rubber material.

5. The welding tool for replacing a cracking furnace tube according to claim 1, characterized in that: The surfaces of the first semicircular ring (1) and the second semicircular ring (2) are both fixedly connected with hanging rings (22), the number of the hanging rings (22) is a plurality, and the hanging rings (22) are evenly distributed on the surfaces of the first semicircular ring (1) and the second semicircular ring (2).

6. The welding tool for replacing a cracking furnace tube according to claim 1, characterized in that: The right side of the first semicircular ring (1) is fixedly connected to a limiting rod (23), and the left side of the second semicircular ring (2) is provided with a limiting groove, wherein the inner diameter of the limiting groove is slightly larger than the diameter of the limiting rod (23).

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