Steel structure welding device

Abstract

The utility model belongs to the technical field of building construction, and particularly relates to a steel structure welding device which comprises a bearing base, a guide groove is formed in the top of the bearing base, and a building steel pipe preheating mechanism is arranged at the top of the bearing base. One end of the supporting arm is fixedly connected with the other side of the sliding side plate, and the preheating assembly is connected with the other end of the supporting arm, so that a threaded screw rod can be driven to rotate by starting a driving motor, a threaded sleeve plate reciprocates on the threaded screw rod, and the sliding side plate is further driven to reciprocatingly move on one side of the supporting side plate; and then the preheating assembly is driven by the supporting arm to conduct reciprocating constant-speed preheating on the welding point position, so that the preheating process is more efficient, hot air can be discharged from air nozzles after passing through a connecting hose and a preheating sleeve plate by starting an air heater, all-directional preheating can be conducted on the steel pipe welding point position through the multiple air nozzles, and the welding point position is more uniform in preheating. And the uniformity is effectively improved, so that the welding effect is also effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and specifically relates to a steel structure welding device. Background Art

[0002] Pipeline welding is an essential part of construction engineering. However, due to the complexity of process requirements and conditions, pipeline welding often has many problems. Especially during the welding process, due to stress concentration and cracks, if preheating is not performed well, the welding quality may be affected, and even serious quality problems may occur in the welded structure, such as reduced strength of the welded joint and defects in the weld.

[0003] The main purpose of welding preheating is to reduce the residual stress in the welding process, avoid welding cracks, even out the temperature gradient of the welding heat affected zone, and slow down the cooling rate of the weld by increasing the temperature of the welded structure. Welding preheating has a positive effect on reducing the sensitivity of hot cracking in the welding process, preventing the increase of the sensitivity of cold cracking in welding, reducing welding residual stress, and improving the plasticity and toughness of the welded structure.

[0004] Therefore, the preheating process is an indispensable part of the welding process and is of great significance for ensuring the quality of welding. However, in current construction projects, pipeline welding generally uses manual preheating methods, which are complicated to operate, labor-intensive, inefficient, and have poor preheating effects, and cannot achieve ideal welding results. At the same time, this type of preheating method has high technical requirements for welders, is difficult to master, and has safety hazards. In addition, since the existing preheating equipment and methods cannot effectively control and adjust the temperature in the welding heat-affected zone, problems such as uneven temperature distribution during welding preheating and too high or too low preheating temperatures will also affect the quality of welding.

[0005] In order to solve the above problems, a steel structure welding device is proposed in the present application. Utility Model Content

[0006] To solve the problems raised in the above background technology. The utility model provides a steel structure welding device, which can solve the problem that pipeline welding generally uses manual preheating methods by adding a preheating mechanism for building steel pipes. This method is complicated to operate, labor-intensive, inefficient, and has poor preheating effects, and cannot achieve ideal welding effects. At the same time, this type of preheating method has high technical requirements for welders, is difficult to master, and has potential safety hazards. In addition, since the existing preheating equipment and methods cannot effectively control and adjust the temperature in the welding heat-affected zone, the uneven temperature distribution during the welding preheating process, the preheating temperature is too high or too low, and other problems will also affect the quality of welding.

[0007] To achieve the above object, the utility model provides the following technical solutions: a steel structure welding device, comprising a supporting base, a guide groove is provided on the top of the supporting base, and a building steel pipe preheating mechanism is provided on the top of the supporting base;

[0008] The construction steel pipe preheating mechanism includes a sliding base, a support column, a placement sleeve, a driving assembly, a preheating assembly and a supporting side plate. The sliding base is provided with two groups and symmetrically slides and is clamped in the guide groove. One end of the support column is fixedly connected to the top of the sliding base, the outer wall of the placement sleeve is fixedly connected to the other end of the support column, the supporting side plate is fixedly connected to one side of the top of the supporting base, the driving assembly is arranged on one side of the supporting side plate, and the preheating assembly is connected to one end of the driving assembly.

[0009] As a preferred steel structure welding device of the utility model, the driving assembly includes a driving motor, a threaded screw, a threaded sleeve, a sliding side plate and a support arm, the driving motor is installed at one end of the outer wall of the support side plate, the two ends of the threaded screw are rotatably connected to the two ends of the inner wall of the support side plate, and one end of the threaded screw is fixedly connected to the output end of the driving motor, the threaded sleeve is threadedly sleeved on the outer wall of the threaded screw, one side of the sliding side plate is slidably clamped on one side of the support side plate by being fixedly connected to the outer wall of the threaded sleeve, one end of the support arm is fixedly connected to the other side of the sliding side plate, and the preheating assembly is connected to the other end of the support arm.

[0010] As a preferred steel structure welding device of the utility model, the preheating assembly includes a hot air blower, a preheating sleeve, an air nozzle and a connecting hose, the hot air blower is installed on the other side of the supporting side plate, the outer wall of the preheating sleeve is fixedly connected to the other end of the supporting arm, the air nozzle is installed in a circular array on the inner wall of the preheating sleeve, and the connecting hose is arranged between the air nozzle and the hot air blower, and they are connected through the connecting hose.

[0011] As a preferred steel structure welding device of the utility model, the top of the sliding base slides symmetrically through a limiting rod, a limiting spring is sleeved on the limiting rod, and two ends of the limiting spring are respectively fixedly connected to the top of the sliding base and the top inner wall of the limiting rod.

[0012] As a preferred steel structure welding device of the utility model, the outer wall circumferential array thread of the placement sleeve penetrates a limiting screw rod, and one end of the limiting screw rod is fixedly connected to a resistance ball.

[0013] As a preferred steel structure welding device of the utility model, the preheating sleeve and the center of the circle for placing the sleeve are located on the same straight line.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. One end of the support arm is fixedly connected to the other side of the sliding side plate, and the preheating assembly is connected to the other end of the support arm. Then, by starting the drive motor, the threaded screw can be driven to rotate, so that the threaded sleeve plate can move back and forth on the threaded screw, and further drive the sliding side plate to move back and forth on one side of the support side plate. Then, the support arm drives the preheating assembly to preheat the welding point at a uniform speed, thereby making the preheating process more efficient;

[0016] 2. The air nozzles are installed in a circular array on the inner wall of the preheating sleeve. A connecting hose is provided between the air nozzles and the hot air blower, and they are connected through the connecting hose. Then, by starting the hot air blower, the hot air can be discharged from the air nozzles through the connecting hose and the preheating sleeve. Through multiple air nozzles, the steel pipe welding points can be preheated in all directions, and the uniformity is effectively improved, thereby effectively improving the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0020] Figure 3 It is a structural schematic diagram of the limit spring in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the hot air blower in the utility model.

[0022] In the figure:

[0023] 1. Support base;

[0024] 2. Guide groove;

[0025] 3. Preheating mechanism for building steel pipes; 31. Sliding base; 311. Limit rod; 312. Limit spring; 32. Support column; 33. Placement sleeve; 331. Limit screw rod; 34. Drive assembly; 341. Drive motor; 342. Threaded screw rod; 343. Threaded sleeve plate; 344. Sliding side plate; 345. Support arm; 35. Preheating assembly; 351. Hot air blower; 352. Preheating sleeve plate; 353. Air nozzle; 354. Connecting hose. DETAILED DESCRIPTION

[0026] 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.

[0027] like Figure 1 As shown;

[0028] A steel structure welding device comprises a supporting base 1, a guide groove 2 is provided on the top of the supporting base 1, and a building steel pipe preheating mechanism 3 is arranged on the top of the supporting base 1.

[0029] In this embodiment: Under normal circumstances, the preheating process is an indispensable part of the welding process and is of great significance for ensuring the quality of welding. However, currently in construction projects, pipeline welding generally uses manual preheating methods, which are complicated to operate, labor-intensive, inefficient, and have poor preheating effects, and cannot achieve ideal welding effects. At the same time, this type of preheating method has high technical requirements for welders, is difficult to master, and has potential safety hazards. In addition, since the existing preheating equipment and methods cannot effectively control and adjust the temperature in the welding heat-affected zone, problems such as uneven temperature distribution and too high or too low preheating temperature during welding preheating will also affect the quality of welding. By adding a preheating mechanism 3 for building steel pipes, the welding points can be reciprocated and uniformly preheated, thereby improving the efficiency of welding and ensuring the subsequent welding effect.

[0030] like Figure 1-Figure 4 As shown;

[0031] Based on the existing steel structure welding device, by adding a building steel pipe preheating mechanism 3, it is possible to solve the problem that pipeline welding generally uses a manual preheating method. This method is complicated to operate, labor-intensive, inefficient, and has a poor preheating effect, and cannot achieve an ideal welding effect. At the same time, this type of preheating method has high technical requirements for welders, is difficult to master, and has potential safety hazards. In addition, since the existing preheating equipment and methods cannot effectively control and adjust the temperature in the welding heat affected zone, problems such as uneven temperature distribution during welding preheating and too high or too low preheating temperature will also affect the quality of welding.

[0032] More specifically:

[0033] In combination with the above content, in order to reciprocate and evenly preheat the welding points, thereby improving the welding efficiency and ensuring the subsequent welding effect, a construction steel pipe preheating mechanism 3 is arranged on the top of the supporting base 1, and the construction steel pipe preheating mechanism 3 includes a sliding base 31, a support column 32, a placement sleeve 33, a driving assembly 34, a preheating assembly 35 and a supporting side plate 36. The sliding base 31 is provided with two groups and is symmetrically slidably clamped in the guide groove 2. One end of the support column 32 is fixedly connected to the top of the sliding base 31, the outer wall of the placement sleeve 33 is fixedly connected to the other end of the support column 32, the supporting side plate 36 is fixedly connected to one side of the top of the supporting base 1, the driving assembly 34 is arranged on one side of the supporting side plate 36, and the preheating assembly 35 is connected to one end of the driving assembly 34.

[0034] In this embodiment: in order to make the preheating more uniform, the sliding base 31 is provided with two groups and symmetrically slides and is clamped in the guide groove 2, one end of the support column 32 is fixedly connected to the top of the sliding base 31, the outer wall of the placement sleeve 33 is fixedly connected to the other end of the support column 32, the support side plate 36 is fixedly connected to the top side of the supporting base 1, the driving component 34 is arranged on one side of the supporting side plate 36, and the preheating component 35 is connected to one end of the driving component 34, and then the steel pipe is first placed inside the placement sleeve 33, and then the position is adjusted by the sliding base 31 to ensure that the process of connecting the two steel pipes is smoother and the structure during welding is more stable, and then the driving component 34 drives the preheating component 35 to reciprocately preheat the welding points of the steel pipe, thereby effectively improving the efficiency and improving the uniformity of welding.

[0035] To be more specific: the drive assembly 34 includes a drive motor 341, a threaded screw 342, a threaded sleeve 343, a sliding side plate 344 and a support arm 345. The drive motor 341 is installed on one end of the outer wall of the support side plate 36. The two ends of the threaded screw 342 are rotatably connected to the two ends of the inner wall of the support side plate 36, and one end of the threaded screw 342 is fixedly connected to the output end of the drive motor 341. The threaded sleeve 343 is threadedly sleeved on the outer wall of the threaded screw 342. One side of the sliding side plate 344 is slidably clamped on one side of the support side plate 36 by being fixedly connected to the outer wall of the threaded sleeve 343. One end of the support arm 345 is fixedly connected to the other side of the sliding side plate 344. The preheating assembly 35 is connected to the other end of the support arm 345.

[0036] In this embodiment, in order to improve the uniformity and efficiency of welding, the driving motor 341 is installed on one end of the outer wall of the supporting side plate 36, the two ends of the threaded screw 342 are rotatably connected to the two ends of the inner wall of the supporting side plate 36, and one end of the threaded screw 342 is fixedly connected to the output end of the driving motor 341, the threaded sleeve 343 is threadedly sleeved on the outer wall of the threaded screw 342, and one side of the sliding side plate 344 is slidably clamped on one side of the supporting side plate 36 by being fixedly connected to the outer wall of the threaded sleeve 343, and the support arm 34 5 is fixedly connected to the other side of the sliding side plate 344, and the preheating assembly 35 is connected to the other end of the support arm 345, and then by starting the drive motor 341, the threaded screw 342 can be driven to rotate, so that the threaded sleeve 343 can reciprocate on the threaded screw 342, and further drive the sliding side plate 344 to reciprocate on one side of the support side plate 36, and then drive the preheating assembly 35 through the support arm 345 to reciprocate and uniformly preheat the welding point, so that the preheating process is more efficient.

[0037] To be more specific: the preheating assembly 35 includes a hot air blower 351, a preheating sleeve 352, an air nozzle 353 and a connecting hose 354. The hot air blower 351 is installed on the other side of the supporting side plate 36. The outer wall of the preheating sleeve 352 is fixedly connected to the other end of the supporting arm 345. The air nozzle 353 is installed in a circular array on the inner wall of the preheating sleeve 352. A connecting hose 354 is provided between the air nozzle 353 and the hot air blower 351, and they are connected through the connecting hose 354.

[0038] In this embodiment: in order to ensure the preheating effect, the hot air blower 351 is installed on the other side of the supporting side plate 36, the outer wall of the preheating sleeve 352 is fixedly connected to the other end of the supporting arm 345, and the air nozzles 353 are installed in a circular array on the inner wall of the preheating sleeve 352. A connecting hose 354 is provided between the air nozzles 353 and the hot air blower 351, and they are connected through the connecting hose 354. Then, by starting the hot air blower 351, the hot air can be discharged from the air nozzle 353 after passing through the connecting hose 354 and the preheating sleeve 352. Through multiple air nozzles 353, the steel pipe welding points can be preheated in all directions, and the uniformity is effectively improved, so that the welding effect is also effectively improved.

[0039] It should be understood that: the top of the sliding base 31 slides symmetrically through the limit rod 311, the limit spring 312 is sleeved on the limit rod 311, the two ends of the limit spring 312 are respectively fixedly connected to the top of the sliding base 31 and the top inner wall of the limit rod 311, the outer wall of the placement sleeve 33 is threaded with a circular array of threads that penetrate the limit screw 331, and one end of the limit screw 331 is fixedly connected with a resistance ball, and the preheating sleeve 352 is located on the same straight line as the center of the placement sleeve 33.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. 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 steel structure welding device, comprising a supporting base (1), wherein a guide groove (2) is provided on the top of the supporting base (1), and characterized in that: A building steel pipe preheating mechanism (3) is provided on the top of the supporting base (1); The building steel pipe preheating mechanism (3) comprises a sliding base (31), a support column (32), a placement sleeve (33), a driving assembly (34), a preheating assembly (35) and a supporting side plate (36); the sliding base (31) is provided with two groups and symmetrically slidably clamped in the guide groove (2); one end of the support column (32) is fixedly connected to the top of the sliding base (31); the outer wall of the placement sleeve (33) is fixedly connected to the other end of the support column (32); the supporting side plate (36) is fixedly connected to one side of the top of the supporting base (1); the driving assembly (34) is provided on one side of the supporting side plate (36); and the preheating assembly (35) is connected to one end of the driving assembly (34).

2. The steel structure welding device according to claim 1, characterized in that: The driving assembly (34) comprises a driving motor (341), a threaded screw (342), a threaded sleeve (343), a sliding side plate (344) and a support arm (345); the driving motor (341) is mounted on one end of the outer wall of the support side plate (36); two ends of the threaded screw (342) are rotatably connected to two ends of the inner wall of the support side plate (36); one end of the threaded screw (342) is fixedly connected to the output end of the driving motor (341); the threaded sleeve (343) is threadedly sleeved on the outer wall of the threaded screw (342); one side of the sliding side plate (344) is slidably clamped on one side of the support side plate (36) by being fixedly connected to the outer wall of the threaded sleeve (343); one end of the support arm (345) is fixedly connected to the other side of the sliding side plate (344); and the preheating assembly (35) is connected to the other end of the support arm (345).

3. The steel structure welding device according to claim 2, characterized in that: The preheating assembly (35) comprises a hot air blower (351), a preheating sleeve (352), an air nozzle (353) and a connecting hose (354); the hot air blower (351) is mounted on the other side of the supporting side plate (36); the outer wall of the preheating sleeve (352) is fixedly connected to the other end of the supporting arm (345); the air nozzle (353) is mounted on the inner wall of the preheating sleeve (352) in a circular array; the connecting hose (354) is arranged between the air nozzle (353) and the hot air blower (351), and the two are connected via the connecting hose (354).

4. The steel structure welding device according to claim 1, characterized in that: The top of the sliding base (31) symmetrically slides through the limiting rod (311), the limiting rod (311) is sleeved with a limiting spring (312), and the two ends of the limiting spring (312) are respectively fixedly connected to the top of the sliding base (31) and the inner wall of the top of the limiting rod (311).

5. The steel structure welding device according to claim 1, characterized in that: The outer wall of the placement sleeve (33) is provided with a circumferential array of threads penetrating a limit screw rod (331), and one end of the limit screw rod (331) is fixedly connected to a resistance ball.

6. The steel structure welding device according to claim 3, characterized in that: The center of the preheating sleeve (352) and the center of the placement sleeve (33) are located on the same straight line.

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