Auxiliary welding device for steel structure pipe fitting

Through the automatic alignment and fixation of the installation mechanism and the connection mechanism, the problem of inaccurate joint connection of the welding surface of steel structure pipe fittings is solved, the welding quality and stability are improved, efficient welding and purification of harmful gases are achieved, and the workers and the environment are protected.

CN223368629UActive Publication Date: 2025-09-23陈琴 +1
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Patent Information

Application Number
CN202422675461.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-09-23
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing steel structure pipe welding device has errors in manual alignment and fixation before welding, resulting in inaccurate welding surface butt joints, which affects welding quality and stability.

Method used

The installation mechanism and connection mechanism are adopted to realize automatic alignment and fixation of pipe fittings through components such as hydraulic cylinders, motors and threaded rods. Combined with the movement and rotation of the welding head, the precise alignment of the welding surface is ensured, and the harmful gases generated by welding are filtered and purified through activated carbon plates.

Benefits of technology

It improves the quality and stability of welding, reduces manual errors, improves welding efficiency, and effectively removes harmful gases, protecting workers and the environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel structure pipe fitting welding auxiliary device, and relates to the technical field of steel structure pipe fitting welding. The device comprises a mounting shell, a fixing shell is fixedly connected to the rear side of the inner wall of the mounting shell, a two-way threaded rod drives a limiting shell and a limiting rod on the left side and the right side, a clamping shell and materials to move towards the center, and the welding faces of the two materials make contact and are aligned. Then a telescopic rod is started to drive a welding head to move downwards to weld the joint of the two materials, second motors on the left side and the right side are started, and the two second motors drive two first rotating shafts, limiting rods, clamping shells and the materials to rotate, so that the welding head can weld the peripheries of the outer walls of the two materials; through the operation, the two materials can be rapidly fixed in an auxiliary mode and accurately aligned, so that the welding quality and stability are improved, meanwhile, the outer walls of the two materials are subjected to surrounding welding by one circle, and the welding efficiency and quality are further improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel structure pipe welding, in particular to a steel structure pipe welding auxiliary device. Background Art

[0002] Steel structural pipe fittings are metal components used for connection, support, and load transfer, and are widely used in construction, bridges, shipbuilding, and machinery manufacturing. Steel structural pipe fittings refer to pipes and connectors of various shapes made of steel, primarily used to construct steel structures. Steel structural pipe fittings offer advantages such as high strength, light weight, corrosion resistance, and ease of processing and installation. Steel pipes are a type of steel structural pipe fitting.

[0003] In existing steel structure pipe welding devices, workers usually align two steel structure pipes before welding and then fix them with auxiliary structures. Manual alignment and fixation will have certain errors. This error will cause the welding surfaces of the two steel structure pipes to be not accurately connected, thereby affecting the quality and stability of the welding. Utility Model Content

[0004] The purpose of the utility model is to provide a steel structure pipe welding auxiliary device. By setting up an installation mechanism, the utility model solves the problem of existing steel structure pipe welding devices. Before welding, the staff usually aligns the two steel structure pipes and then fixes them through the auxiliary structure. There will be certain errors in manual alignment and fixation. Such errors will cause the butt joint of the welding surfaces of the two steel structure pipes to be not accurate, thereby affecting the quality and stability of welding.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The cam is connected to the left side of the motor to move the first end of the motor to the left by the rotation of the crankshaft, and the cam is connected to the left side of the motor to move the first end of the motor to the left by the rotation of the crankshaft.

[0007] Furthermore, the inner walls of the two limiting shells are fixedly connected to the limiting rods, and the outer walls of the two limiting rods are slidably connected to the clamping shells.

[0008] Furthermore, the two clamping shells at the front side and the two clamping shells at the rear side are symmetrically arranged with the mounting shell as the central axis, and the inner walls of the plurality of clamping shells and the inner walls of the plurality of connecting shells are rotatably connected with a plurality of pull plates.

[0009] Furthermore, a connecting mechanism is provided inside the fixing shell, and the connecting mechanism includes a telescopic rod fixedly connected to the top of the inner wall of the installation shell.

[0010] Furthermore, the output end of the telescopic rod is fixedly connected to a welding head, and the front side and the rear side of the inner wall of the fixed shell are fixedly connected to filter screens.

[0011] Furthermore, a second sliding housing is slidably connected to the bottom of the inner wall of the fixed housing, and a top of the second sliding housing extends to the outside of the fixed housing.

[0012] Furthermore, an activated carbon plate is fixedly connected to the inner wall of the second sliding shell, a supporting shell is fixedly connected to the inner wall of the fixed shell, and a third motor is fixedly connected to the inner wall of the supporting shell.

[0013] Furthermore, the output end of the third motor is fixedly connected to the second rotating shaft via a coupling, and the outer wall of the second rotating shaft is fixedly sleeved with fan blades.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting up an installation mechanism, the hydraulic cylinders on the left and right sides are respectively started to drive the connecting shell, the pull plate and the clamping shell to slide on the outer wall of the limit rod, and move toward the center of the limit rod to clamp and fix the material, and then the first motor is started to rotate the bidirectional threaded rod, and the bidirectional threaded rod drives the left and right limit shells and limit rods and the clamping shell and the material to move toward their centers, so that the welding surfaces of the two materials are in contact and aligned, and then the welding head is driven downward by starting the telescopic rod to weld the connection between the two materials. After the welding is completed, the second motors on the left and right sides are started, and the two second motors drive the two first rotating shafts and the limit rods and the clamping shell and the material to rotate, so that the welding head can weld the outer walls of the two materials for a week. Through the above operation, the two materials can be quickly assisted in fixation and accurately aligned, thereby improving the quality and stability of welding. At the same time, the circumferential welding of the outer walls of the two materials further improves the efficiency and quality of welding.

[0016] 2. By setting a connecting mechanism, the third motor is started to drive the second rotating shaft, the second rotating shaft and the fan blades to rotate, and the harmful gas enters the interior of the fixed shell through the front filter, and then passes through the activated carbon plate for filtration and purification. The filtered and purified air is then discharged through the rear filter. After use, the second sliding shell and the activated carbon plate are pulled out of the fixed shell, so that the activated carbon plate can be easily replaced to ensure its normal operation and filtering and purification effect. The above operation can effectively remove the harmful gases generated during the welding work, thereby protecting the workers from harm and reducing the pollution of the harmful gases to the environment.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall partial cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the installation mechanism structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the partial structure of the installation mechanism of the utility model

[0023] Figure 5 This is a schematic diagram of the connection mechanism structure of the utility model;

[0024] Figure 6 for Figure 5 Schematic diagram of the enlarged structure at point A in the middle.

[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0026] 1. Mounting shell; 11. Fixed shell; 2. Mounting mechanism; 21. First motor; 22. Bidirectional threaded rod; 23. First sliding shell; 24. Second motor; 25. First rotating shaft; 26. Limiting shell; 27. Hydraulic cylinder; 28. Connecting shell; 29. ​​Limiting rod; 210. Clamping shell; 211. Pull plate; 3. Connecting mechanism; 31. Telescopic rod; 32. Welding head; 33. Filter; 34. Second sliding shell; 35. Activated carbon plate; 36. Supporting shell; 37. Third motor; 38. Second rotating shaft; 39. Fan blades. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-5 As shown, the utility model is a steel structure pipe welding auxiliary device, comprising a mounting shell 1, a fixing shell 11 is fixedly connected to the rear side of the inner wall of the mounting shell 1, and further comprising;

[0029] The mounting mechanism 2 includes a first motor 21 fixedly connected to the right side of the inner wall of the mounting shell 1, and the output end of the first motor 21 is fixedly connected to a bidirectional threaded rod 22 through a coupling. The left end of the bidirectional threaded rod 22 is rotatably connected to the left side of the inner wall of the mounting shell 1, and the outer wall of the bidirectional threaded rod 22 is threadedly sleeved with a first sliding shell 23. The two first sliding shells 23 are symmetrically arranged with the mounting shell 1 as the central axis. The two first sliding shells 23 are both slidably connected to the inner wall of the mounting shell 1. The left side of the inner wall of the first sliding shell 23 on the left and the right side of the inner wall of the first sliding shell 23 on the right are fixedly connected to the second motor 24. The output ends of the two second motors 24 Both are fixedly connected to the first rotating shaft 25 through a coupling, and the right end of the first rotating shaft 25 on the left and the left end of the first rotating shaft 25 on the right are fixedly connected to the limiting shell 26. The inner walls of the two limiting shells 26 are fixedly connected to the hydraulic cylinders 27, and the output ends of the two hydraulic cylinders 27 are fixedly connected to the connecting shell 28. The material is placed inside the limiting shells 26 on the left and right sides respectively. At this time, the left and right hydraulic cylinders 27 are started respectively. The left and right hydraulic cylinders 27 drive the left and right connecting shells 28 and the pulling plates 211 and the clamping shells 210 to slide on the outer wall of the limiting rod 29, and move toward the center of the limiting rod 29 to clamp and fix the material.

[0030] The inner walls of the two limit shells 26 are fixedly connected to the limit rod 29, and the outer walls of the two limit rods 29 are slidably connected to the clamping shell 210. Then the first motor 21 is started, and the first motor 21 drives the bidirectional threaded rod 22 to rotate. The bidirectional threaded rod 22 drives the limit shells 26 and the limit rod 29 on the left and right sides and the clamping shell 210 and the material to move toward their center, so that the welding surfaces of the two materials are in contact and aligned. Then the telescopic rod 31 is started, and the telescopic rod 31 drives the welding head 32 to move downward to weld the connection between the two materials. After welding is completed, the second motors 24 on the left and right sides are started at the same time. The two second motors 24 drive the two first rotating shafts 25 and the limit rods 29 and the clamping shell 210 and the material to rotate, so that the welding head 32 can weld the outer walls of the two materials for a week.

[0031] The two clamping shells 210 at the front and the two clamping shells 210 at the rear are symmetrically arranged with the mounting shell 1 as the central axis. The inner walls of the plurality of clamping shells 210 and the inner walls of the plurality of connecting shells 28 are rotatably connected with a plurality of pull plates 211. By respectively starting the left and right hydraulic cylinders 27, the connecting shells 28, the pull plates 211 and the clamping shells 210 slide on the outer wall of the limit rod 29 and move toward the center of the limit rod 29 to clamp and fix the material. Then, by starting the first motor 21, the bidirectional threaded rod 22 is driven to rotate, and the bidirectional threaded rod 22 drives the limit shells 26 and the limit rod 29 on the left and right sides, the clamping shells 210 and the material to their center. Move to contact and align the welding surfaces of the two materials, and then start the telescopic rod 31 to drive the welding head 32 to move downward to weld the connection between the two materials. After welding is completed, by starting the second motors 24 on the left and right, the two second motors 24 drive the two first rotating shafts 25 and the limit rods 29 and the clamping shell 210 and the materials to rotate, so that the welding head 32 can weld the outer walls of the two materials around. Through the above operation, the two materials can be quickly assisted in fixing and accurately aligned, thereby improving the quality and stability of welding. At the same time, the circumferential welding of the outer walls of the two materials further improves the efficiency and quality of welding.

[0032] A connecting mechanism 3 is provided inside the fixed shell 11. The connecting mechanism 3 includes a telescopic rod 31 fixedly connected to the top of the inner wall of the mounting shell 1. When the telescopic rod 31 is activated, the welding head 32 moves downward to weld the connection between the two materials, and the welding produces harmful gases.

[0033] The output end of the telescopic rod 31 is fixedly connected to a welding head 32, and the front and rear sides of the inner wall of the fixed shell 11 are fixedly connected to the filter screen 33. Then the third motor 37 is started, and the third motor 37 drives the second rotating shaft 38 to rotate. The second rotating shaft 38 drives the fan blades 39 to rotate, and the fan blades 39 send the harmful gas into the interior of the fixed shell 11 through the front filter screen 33.

[0034] The bottom of the inner wall of the fixed shell 11 is slidably connected to a second sliding shell 34, and the top of the second sliding shell 34 extends to the outside of the fixed shell 11, and then passes through the activated carbon plate 35 for filtering and purification. The filtered and purified air is then discharged through the rear filter 33. After use, the second sliding shell 34 and the activated carbon plate 35 are pulled away from the fixed shell 11, so that the activated carbon plate 35 can be easily replaced to ensure its normal operation and filtering and purification effect.

[0035] An activated carbon plate 35 is fixedly connected to the inner wall of the second sliding shell 34, a support shell 36 is fixedly connected to the inner wall of the fixed shell 11, and a third motor 37 is fixedly connected to the inner wall of the support shell 36. When the third motor 37 is started, the third motor 37 drives the second rotating shaft 38 to rotate, and the second rotating shaft 38 drives the fan blades 39 to rotate. The fan blades 39 send the harmful gas into the interior of the fixed shell 11 through the front filter 33, and then it is filtered and purified by the activated carbon plate 35.

[0036] The output end of the third motor 37 is fixedly connected to the second rotating shaft 38 through a coupling. The outer wall fixed sleeve of the second rotating shaft 38 is provided with a fan blade 39. By starting the third motor 37, the second rotating shaft 38, the second rotating shaft 38 and the fan blade 39 are driven to rotate, and the harmful gas enters the interior of the fixed shell 11 through the front filter 33, and then passes through the activated carbon plate 35 for filtration and purification. The filtered and purified air is then discharged through the rear filter 33. After use, the second sliding shell 34 and the activated carbon plate 35 are pulled out of the fixed shell 11, so that the activated carbon plate 35 can be easily replaced to ensure its normal operation and filtering and purification effect. Through the above operation, the harmful gases generated during the welding work can be effectively removed, thereby protecting the workers from harm and reducing the pollution of the harmful gases to the environment.

[0037] A specific application of this embodiment is: activated carbon plate 35. In the steel structure pipe welding auxiliary device, the activated carbon plate is mainly used to filter and purify harmful gases generated during the welding process. Activated carbon has a rich microporous structure and a large specific surface area, and can effectively adsorb organic compounds and odor molecules in the air. During the welding process, the activated carbon plate can adsorb harmful gases such as carbon monoxide and nitrogen oxides, reducing the harm of these gases to the environment and human body.

[0038] When using the device, the materials are placed inside the limiting shells 26 on the left and right sides respectively, and the left and right hydraulic cylinders 27 are started respectively. The left and right hydraulic cylinders 27 drive the left and right connecting shells 28, the pull plates 211 and the clamping shell 210 to slide on the outer wall of the limiting rod 29, and move toward the center of the limiting rod 29 to clamp and fix the materials. Then the first motor 21 is started, and the first motor 21 drives the bidirectional threaded rod 22 to rotate. The bidirectional threaded rod 22 drives the left and right limiting shells 26 and the limiting rod 29 and the clamping shell 210 and the materials to move toward their centers, so that the welding surfaces of the two materials contact and align. Then the telescopic rod 31 is started, and the telescopic rod 31 drives the welding head 32 to move downward to weld the connection between the two materials. After welding is completed, the left and right second motors 24 are started at the same time. The two second motors 24 drive the two first rotating shafts 25, the limiting rod 29, the clamping shell 210 and the materials to rotate, so that the welding head 32 can weld the outer walls of the two materials for a week. By starting the left and right The hydraulic cylinder 27 on the right drives the connecting shell 28, the pull plate 211 and the clamping shell 210 to slide on the outer wall of the limit rod 29, and move toward the center of the limit rod 29 to clamp and fix the material, and then start the first motor 21 to drive the bidirectional threaded rod 22 to rotate, and the bidirectional threaded rod 22 drives the left and right limit shells 26 and the limit rod 29 and the clamping shell 210 and the material to move toward their center, so that the two material welding surfaces are in contact and aligned, and then the welding head 32 is driven downward by starting the telescopic rod 31 to weld the connection between the two materials. After the welding is completed, by starting the left and right second motors 24, the two second motors 24 drive the two first rotating shafts 25 and the limit rod 29 and the clamping shell 210 and the material to rotate, so that the welding head 32 can weld the outer walls of the two materials for a week. Through the above operation, the two materials can be quickly assisted in fixation and accurately aligned, thereby improving the quality and stability of welding. At the same time, the circumferential welding of the outer walls of the two materials further improves the efficiency and quality of welding.

[0039] When using the device, the telescopic rod 31 is started to drive the welding head 32 to move downward to weld the two materials. The welding produces harmful gas, and then the third motor 37 is started. The third motor 37 drives the second rotating shaft 38 to rotate, and the second rotating shaft 38 drives the fan blades 39 to rotate. The fan blades 39 send the harmful gas into the interior of the fixed shell 11 through the front filter 33, and then pass through the activated carbon plate 35 for filtration and purification. The filtered and purified air is then discharged through the rear filter 33. After use, the second sliding shell 34 and the activated carbon plate 35 are pulled out of the fixed shell 11, so that the activated carbon plate 35 can be easily replaced to ensure its normal operation and filtration and purification. Effect, by starting the third motor 37 to drive the second rotating shaft 38 and the second rotating shaft 38 and the fan blades 39 to rotate, the harmful gas enters the interior of the fixed shell 11 through the front filter 33, and then passes through the activated carbon plate 35 for filtration and purification, and then the filtered and purified air is discharged through the rear filter 33. After use, the second sliding shell 34 and the activated carbon plate 35 are pulled out of the fixed shell 11, so that the activated carbon plate 35 can be easily replaced to ensure its normal operation and filtering and purification effect. Through the above operation, the harmful gases generated during the welding work can be effectively removed, thereby protecting the workers from harm and reducing the pollution of the harmful gases to the environment.

[0040] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0041] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A steel structure pipe welding auxiliary device, comprising a mounting shell (1), wherein a fixing shell (11) is fixedly connected to the rear side of the inner wall of the mounting shell (1), characterized in that: Also includes; The mounting mechanism (2) comprises a first motor (21) fixedly connected to the right side of the inner wall of the mounting shell (1); the output end of the first motor (21) is fixedly connected to a bidirectional threaded rod (22) via a coupling; the left end of the bidirectional threaded rod (22) is rotatably connected to the left side of the inner wall of the mounting shell (1); the outer wall of the bidirectional threaded rod (22) is threadedly sleeved with a first sliding shell (23); the two first sliding shells (23) are symmetrically arranged with the mounting shell (1) as the central axis, and the two first sliding shells (23) are both slidably connected to the inner wall of the mounting shell (1). The left side of the inner wall of the first sliding housing (23) on the left side and the right side of the inner wall of the first sliding housing (23) on the right side are both fixedly connected with a second motor (24), the output ends of the two second motors (24) are both fixedly connected with a first rotating shaft (25) through a coupling, the right end of the first rotating shaft (25) on the left side and the left end of the first rotating shaft (25) on the right side are both fixedly connected with a limiting housing (26), the inner walls of the two limiting housings (26) are both fixedly connected with a hydraulic cylinder (27), and the output ends of the two hydraulic cylinders (27) are both fixedly connected with a connecting housing (28).

2. A steel structure pipe welding auxiliary device according to claim 1, characterized in that: The inner walls of the two limiting shells (26) are fixedly connected to the limiting rods (29), and the outer walls of the two limiting rods (29) are slidably connected to the clamping shells (210).

3. A steel structure pipe welding auxiliary device according to claim 2, characterized in that: The two clamping shells (210) located at the front side and the two clamping shells (210) located at the rear side are symmetrically arranged with the installation shell (1) as the central axis, and the inner walls of the plurality of clamping shells (210) and the inner walls of the plurality of connection shells (28) are rotatably connected with a plurality of pull plates (211).

4. A steel structure pipe welding auxiliary device according to claim 3, characterized in that: A connecting mechanism (3) is provided inside the fixed shell (11), and the connecting mechanism (3) comprises a telescopic rod (31) fixedly connected to the top of the inner wall of the installation shell (1).

5. A steel structure pipe welding auxiliary device according to claim 4, characterized in that: The output end of the telescopic rod (31) is fixedly connected to a welding head (32), and the front and rear sides of the inner wall of the fixed shell (11) are fixedly connected to filter screens (33).

6. A steel structure pipe welding auxiliary device according to claim 5, characterized in that: The bottom of the inner wall of the fixed shell (11) is slidably connected to a second sliding shell (34), and the top of the second sliding shell (34) extends to the outside of the fixed shell (11).

7. A steel structure pipe welding auxiliary device according to claim 6, characterized in that: An activated carbon plate (35) is fixedly connected to the inner wall of the second sliding shell (34), a supporting shell (36) is fixedly connected to the inner wall of the fixed shell (11), and a third motor (37) is fixedly connected to the inner wall of the supporting shell (36).

8. A steel structure pipe welding auxiliary device according to claim 7, characterized in that: The output end of the third motor (37) is fixedly connected to the second rotating shaft (38) via a coupling, and the outer wall of the second rotating shaft (38) is fixedly sleeved with a fan blade (39).