Protective welding equipment for vertical butt joint of steel pipe columns

Abstract

The invention discloses protective welding equipment for vertical butt joint of steel pipe columns, and relates to the field of protective welding equipment. The protective welding equipment for vertical butt joint of the steel pipe columns comprises a workbench, an angle adjusting device, a guide adjusting device, a guide device and a welding device, and through reasonable welding parameters and protective measures, the equipment can achieve accurate welding of the steel pipe columns. In general, the protective welding equipment for vertical butt joint of the steel pipe columns has very high practicability and adaptability. By fixing the steel pipe columns with different diameters and sizes, the equipment can realize vertical butt joint of the steel pipe columns with different angles and diameters, so that the machining efficiency is remarkably improved, and different machining requirements are met. By means of the design, the safety and stability of the welding process are improved, the welding quality is optimized, and vertical butt joint of the steel pipe columns becomes more accurate and reliable.

Description

Technical Field

[0001] The invention relates to the field of steel pipe column vertical butt welding equipment, in particular to a protective welding equipment for vertical butt welding of steel pipe columns. Background Art

[0002] Steel pipe column vertical butt welding equipment refers to protective welding equipment that can vertically butt the steel pipe column to be processed. When the steel pipe column is placed, the steel pipe column can be welded according to actual needs. It is mainly used for vertical butt welding of steel pipe columns in construction to ensure the stability and safety of the building structure. During the construction process, the steel pipe column is a key load-bearing component in the building structure, and its welding quality directly affects the firmness of the overall structure. In order to ensure the reliability of welding and the safety of the welding area, the use of protective welding equipment becomes particularly important.

[0003] At present, most of the protective welding equipment on the market is designed to meet the basic safety protection needs, but often lacks the requirements of multi-size, multi-angle and comprehensive protection. This means that in actual operation, the equipment may not be able to adapt to steel pipe columns of different sizes or complex welding angles, which will affect the welding effect and the convenience of construction. When it is necessary to weld steel pipe columns of different diameters, if the equipment cannot be properly adjusted, it may lead to inadequate protection, thus affecting the welding quality. In order to solve these problems, the design of new protective welding equipment needs to consider the adaptability of multiple sizes and multiple angles. The equipment should have the function of flexible adjustment to meet the welding needs of different diameters and angles. At the same time, it is equipped with a protective cover to ensure that the spatter generated during the welding process is effectively controlled and handled. Summary of the invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a protective welding equipment for vertically docking steel pipe columns: comprising a workbench, the top of the workbench is fixedly connected with side brake casters, the side brake casters are arranged in multiple groups, and the side brake casters are evenly arranged at both ends of the top of the workbench, a welding bracket is fixedly connected to the middle part of the top of the workbench, the welding bracket is arranged in multiple groups, and the welding bracket is evenly arranged at both ends of the top of the workbench, the top of the welding bracket is fixedly connected with a welding chassis, the bottom of the welding chassis is fixedly connected with an angle adjustment device, the top of the welding chassis is fixedly connected with a welding device, the top of the angle adjustment device is fixedly connected with a guide adjustment device, and the top of the guide adjustment device is fixedly connected with a guide device.

[0005] Preferably, the angle adjustment device includes a guide column, an adjustment gear is sleeved on the side of the guide column and rotatably connected, an adjustment bracket is fixedly connected to the side of the adjustment gear, a connector is fixedly connected to the top of the end of the adjustment bracket away from the adjustment gear, and an adjustment bracket is fixedly connected to the side of the adjustment gear. These brackets play a role in fixing and supporting the adjustment gear in the device, and a connector is fixedly connected to the top of the end of the adjustment bracket away from the adjustment gear. These connectors provide interfaces and fixations with other components to ensure the stability and reliability of the entire angle adjustment device. This design can not only ensure the accuracy and flexibility of angle adjustment, but also adapt to the needs of different work scenarios. By adjusting the rotation of the gear, the operator can accurately control the position and angle of the guide column, thereby meeting the requirements for angle accuracy in different work needs, improving production efficiency and product quality, while also improving the convenience and safety of operation.

[0006] Preferably, the guide adjustment device includes an adjustment base plate, the top of the adjustment base plate is fixedly connected with a side brake caster, the top of the adjustment base plate is fixedly connected with an adjustment bracket, one side of the adjustment bracket is penetrated and rotatably connected with a worm, one end of the worm is fixedly connected with a turntable, the side of the turntable away from the worm is fixedly connected with a turntable handle, the side of the worm is meshed with a worm wheel, the bottom of the worm wheel is fixedly connected with a worm wheel shaft, the bottom of the turbine shaft is rotatably connected to the top of the adjustment base plate, the adjustment base plate is fixedly connected with side brake casters, these side brake casters are arranged in multiple groups and are evenly distributed on the top of the adjustment base plate. The design of the side brake casters is intended to provide smooth movement and support, so that the adjustment base plate is more flexible and stable in operation, the top of the adjustment base plate is fixedly connected with an adjustment bracket, these brackets are arranged in two groups, and the two groups of brackets are evenly distributed on one side of the top of the adjustment base plate. A worm is connected to the top side of the bracket and rotates through it. The worm is one of the core components of the adjustment device. The position of the adjustment base plate can be precisely adjusted by rotating it. A turntable is fixedly connected to one end of the worm, and a turntable handle is fixedly connected to the end of the turntable away from the worm. These components together constitute the operating interface of the adjustment device. The worm is meshed with the worm wheel, and the bottom of the worm wheel is fixedly connected to the worm wheel shaft. The worm wheel shaft plays a role in supporting and reducing friction in the entire structure, ensuring the stability and reliability of the adjustment process. This design can not only meet the requirements of precision and stability in industrial production, but also adapt to the needs of different work scenarios. By adjusting the worm and the turntable handle, the operator can accurately control the position and angle of the adjustment base plate, thereby achieving precise processing of the workpiece. These innovative designs not only improve production efficiency and product quality, but also improve the convenience and safety of operation, providing important support for the development and competitiveness of the enterprise.

[0007] Preferably, the guide device includes a guide base plate, the top of the base plate is fixedly connected to a guide bracket, one end of the guide bracket passes through and is rotatably connected to a roller shaft, one end of the roller shaft is fixedly connected to a roller, the top of the base plate on one side of the guide bracket is fixedly connected to the guide bracket, and the guide bracket is provided in two groups, the top of the guide bracket passes through and is slidably connected to a guide rod, the bottom of the guide rod is fixedly connected to a clamping plate, the side of the guide rod is sleeved and slidably connected to a spring, and the side of the clamping plate is fixedly connected to a lifting handle. The side of the guide rod is sleeved and slidably connected to springs, and these springs can provide additional support and buffering functions, effectively reduce shock and vibration, and improve the accuracy and stability of the guide device. The side of the clamping plate is fixedly connected to a lifting handle, which provides a convenient operating interface for operators, making the adjustment and maintenance of the guide device more convenient and efficient. The guide device provides important support for precise guidance and stable operation in industrial production through its precise structural design and coordinated cooperation of multiple functional components. Preferably, the welding device comprises a protection frame, the inner wall of the protection frame is fixedly connected with an arc-shaped shell, the inner wall of the arc-shaped shell is fixedly connected with an engagement guide rail, the two sides of the engagement guide rail are provided with slide rail grooves, the inner side of the slide rail groove is slidably connected with a welding gun bracket, the outer side of the welding gun bracket is fixedly connected with a motor bracket, the end of the motor bracket away from the welding gun bracket is fixedly connected with a servo motor, the servo motor drive shaft passes through the welding gun bracket and is fixedly connected with a gear shaft, the gear shaft passes through and is rotatably connected to the side of the welding gun bracket, a gear is sleeved and fixedly connected on the gear shaft, the side of the gear is meshed with the engagement guide rail, the other end side of the welding gun bracket away from the engagement guide rail passes through and is rotatably connected with a welding gun rotating shaft, the welding gun rotating shaft is fixedly connected with a welding gun base, and one end of the welding gun base is fixedly connected with a welding gun. The welding device provides an efficient, accurate and reliable solution for welding operations in welding processes through its complex and precise structural design. These technical innovations improve welding quality and production efficiency.

[0008] The present invention provides a protective welding device for vertically butting steel pipe columns. It has the following beneficial effects: 1. When using this protective welding equipment, the steel pipes to be processed are placed on the platforms on both sides respectively. The guide devices on the platforms quickly press the steel pipe columns to be processed and quickly align the steel pipe columns to be processed, effectively avoiding the angle deviation that may occur before and during processing, thereby improving production efficiency, reducing production risks, and reducing production costs.

[0009] 2. When the protective welding equipment is in use, the steel pipe column to be processed is pressed and guided by the guide devices on both sides. The compatible steel pipe diameter span is large, and many sizes can be welded. The guide platforms on both sides take into account the rapid guiding function and the wide range of angle adjustment function. At the same time, the guide platform itself can fine-tune the deflection angle through the worm gear to adapt to different welding requirements. A double clamping device is adopted to adapt to the processing requirements of different lengths and sizes. It still has a rapid positioning function when facing a longer steel pipe column to be processed.

[0010] 3. For this protective welding equipment, when the left and right welding ports of the steel pipe column to be processed are welded in the welding protection device room, the welding gun bracket can be installed with different types of welding guns according to needs to work, and the servo motor can drive the welding gun to move in an arc along the track set on the protective shell. At the same time, the welding gun can weld the interface of the steel pipe column to be welded. At the same time, the protective shell effectively blocks the flying of welding slag and visible light pollution in the welding direction.

[0011] 4. The protective welding equipment adopts positioning and guiding devices to provide a more stable welding environment. Precise docking can reduce defects that may occur during welding, such as pores and slag inclusions, thereby improving welding quality and structural stability. It can significantly increase welding speed and reduce manpower requirements, thereby improving construction efficiency and shortening construction period. By improving efficiency and reducing welding defects, the rework cost and material waste in the welding process can be reduced, thereby saving the total construction cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the front structure of the protective welding equipment for vertically connecting steel pipe columns of the present invention; Figure 2 It is a rear view of the back structure of the protective welding equipment for vertically connecting the steel pipe columns of the present invention; Figure 3 This is a schematic diagram of the structure of the angle adjustment device of the present invention; Figure 4 This is a schematic diagram of the top structure of the guide adjustment device of the present invention; Figure 5 This is a schematic diagram of the bottom structure of the guide adjustment device of the present invention; Figure 6 It is a schematic diagram of the structure of the guide device of the present invention; Figure 7 It is a structural schematic diagram of the welding device of the present invention; Figure 8 It is a schematic diagram of the welding gun support structure of the present invention.

[0013] In the figure: 1, workbench; 2, first side brake caster; 3, welding bracket; 4, welding chassis; 5, angle adjustment device; 6, guide adjustment device; 7, guide device; 8, welding device; 51, guide column; 52, adjustment gear; 53, first bracket; 54, connecting piece; 61, adjustment base plate; 62, side brake caster; 63, adjustment bracket; 64, worm; 65, turntable; 66, turntable handle; 67, worm gear; 68, radial bearing; 71, guide Bottom plate; 72, first guide bracket; 73, roller shaft; 74, roller; 75, second guide bracket; 76, guide rod; 77, clamping plate; 78, spring; 79, lifting handle; 81, protection frame; 82, arc-shaped shell; 83, internal meshing rack; 84, slide rail groove; 85, welding gun bracket; 87, gear shaft; 88, gear; 89, motor bracket; 810, servo motor; 812, welding gun shaft; 813, welding gun holder; 814, welding gun. DETAILED DESCRIPTION

[0014] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0015] See also Figure 1 The present invention provides a technical solution to solve the problem that the currently used protective welding equipment is inconvenient for vertical welding of steel pipe columns with multiple angles, multiple sizes and multiple lengths: a protective welding equipment for vertically docking steel pipe columns, comprising a workbench 1, a first side brake caster 2 is fixedly connected to the top of the workbench 1, a plurality of first side brake casters 2 are arranged, and the first side brake casters 2 are evenly arranged at the two ends of the top of the workbench 1, a welding bracket 3 is fixedly connected to the middle part of the top of the workbench 1, a plurality of welding brackets 3 are arranged, and the welding brackets 3 are evenly arranged at the two ends of the top of the workbench 1, a welding chassis 4 is fixedly connected to the top of the welding bracket 3, an angle adjustment device 5 is fixedly connected to the bottom of the welding chassis 4, a welding device 8 is fixedly connected to the top of the welding chassis 4, a guide adjustment device 6 is fixedly connected to the top of the angle adjustment device 5, and a guide device 7 is fixedly connected to the top of the guide adjustment device 6.

[0016] When in use, the steel pipe column to be processed is placed on the guide device 7, positioned by the guide device 7, and the corresponding device on the angle adjustment device 5 is manually pushed to adjust the welding butt angle. After the angle adjustment is completed, the angle of the specific welding interface is fine-tuned using the device corresponding to the angle adjustment device 5. The welding surface of the steel pipe column to be welded is symmetrically placed inside the welding device 8 for welding, which facilitates the butt joint of steel pipe columns at various angles and satisfies the requirement of fine angle adjustment during butt joint.

[0017] See also Figure 1-Figure 3 The present invention provides a technical solution to solve the problem of adjusting the different docking angles of steel pipe columns during welding of steel pipe columns: the angle adjustment device 5 includes a guide column 51, an adjustment gear 52 is sleeved and rotatably connected on the side of the guide column 51, a first bracket 53 is fixedly connected to the side of the adjustment gear 52, and a connecting piece 54 is fixedly connected to the top of the end of the first bracket 53 away from the adjustment gear 52.

[0018] When in use, directly push the connecting piece 54, the connecting piece 54 drives the first bracket 53 to move, and the first bracket 53 drives the adjusting gear 52 to rotate. The adjusting gear 52 is sleeved on the guide column 51 and rotates. The adjusting gear 52 meshes with the adjusting gear 52 of another set of angle adjustment devices 5 while rotating, so that the two sets of angle adjustment devices 5 rotate synchronously. After rotating to the required angle, the brake device on the first side brake caster 2 is operated to stop the device, and the device is stationary. When the angle is deflected to the angle required for docking, the angles of the upper guide adjustment device 6 and the guide device 7 will also be deflected synchronously. After the angle of the guide device 7 changes, the relative angle between the steel pipe columns to be processed on both sides also changes at the same time, thereby realizing the angle adjustment of docking with different welding angles.

[0019] See also Figure 1-Figure 5 The present invention provides a technical solution to solve the problem that the butt joint angle of steel pipe columns needs to be fine-tuned during the welding process of steel pipe columns: the guide adjustment device 6 includes an adjustment base plate 61, the top of the adjustment base plate 61 is fixedly connected to a side brake caster 62, the top of the adjustment base plate 61 is fixedly connected to an adjustment bracket 63, one side of the adjustment bracket 63 passes through and is rotatably connected to a worm 64, one end of the worm 64 is fixedly connected to a turntable 65, and the side of the turntable 65 away from the worm 64 is fixedly connected to a turntable handle 66, the side of the worm 64 is meshed with a worm wheel 67, the bottom of the worm wheel 67 is fixedly connected to a radial bearing 68, and the bottom of the radial bearing 68 is rotatably connected to the top of the adjustment base plate 61.

[0020] When in use, manually turn the turntable handle 66, the turntable handle 66 drives the turntable 65 to rotate, the turntable 65 drives the worm 64 to rotate, the rotation of the worm 64 drives the worm wheel 67 to rotate, the rotation of the worm wheel 67 drives the guide device 7 above the worm wheel 67 to rotate as a whole, the angle of the guide device 7 above the worm wheel 67 can be fine-tuned, the side brake caster 62 provides auxiliary support for the guide device 7 above the guide adjustment device 6, the uniform setting of the side brake caster 62 makes the force on the guide device 7 above it uniform and balanced, so that the guide device is more stable in actual operation, and the fine angle fine-tuning of the steel pipe column to be processed before welding and the adjustment of the docking angle are realized.

[0021] See also Figure 1-Figure 6 The present invention provides a technical solution, which solves the problem of rapid and accurate positioning of steel pipe columns during the process of butt welding of steel pipe columns: the guide device 7 includes a guide base plate 71, the top of the guide base plate 71 is fixedly connected to a first guide bracket 72, one end of the first guide bracket 72 passes through and is rotatably connected to a roller shaft 73, one end of the roller shaft 73 is fixedly connected to a roller 74, the top of the guide base plate 71 located on one side of the first guide bracket 72 is fixedly connected to a second guide bracket 75, the second guide bracket 75 is provided with two groups, the top of the second guide bracket 75 passes through and is slidably connected to a guide rod 76, the bottom of the guide rod 76 is fixedly connected to a clamping plate 77, the side of the guide rod 76 is sleeved and slidably connected to a spring 78, and the side of the clamping plate 77 is fixedly connected to a lifting handle 79.

[0022] When in use, first lift the lifting handle 79, the lifting handle 79 moves upward to drive the pressing plates 77 on both sides to move upward at the same time, and the pressing plates 77 drive the guide rods 76 to move upward. At this time, the springs 78 on the guide rods 76 are squeezed by the second guide brackets 75 and the pressing plates 77 to generate downward pressure. At this time, the steel pipe column to be processed is placed on the roller 74, and the lifting handle 79 is released. The pressing plates 77 press the pressing plates 77 downward under the downward pressure generated by the springs 78. At this time, the steel pipe column to be processed is compressed under the action of the pressing plates 77, and the steel pipe column is The roller 74 under the pipe column and the steel pipe column to be processed are both cylindrical. Under the action of gravity, the steel pipe column can be quickly aligned in the radial direction. The roller 74 aligns the steel pipe column under the positioning action of the second guide bracket 75 on both sides. The setting of multiple groups of rollers 74 can not only meet the requirements of welding cylindrical steel pipe columns, but also make the contact area of ​​the steel column to be processed on the guide device 7 large. The contact area is large, and the force received by the clamping plate is uniform. At the same time, it can also realize the processing of steel pipe columns of other shapes and sizes. Not only can the rapid positioning of the steel pipe column to be processed be realized, but also the welding of steel pipe columns of other shapes is taken into account, and at the same time, the possible displacement of the steel pipe column during the welding process is effectively prevented.

[0023] See also Figure 1-Figure 8 The present invention provides a technical solution to solve the problem that large-angle butt welding is required when butt-jointing steel pipe columns during welding: the welding device 8 includes a protection frame 81, the inner wall of the protection frame 81 is fixedly connected with an arc-shaped shell 82, the inner wall of the arc-shaped shell 82 is fixedly connected with an internal meshing rack 83, both sides of the internal meshing rack 83 are provided with slide rail grooves 84, the inner side of the slide rail grooves 84 is slidably connected with a welding gun bracket 85, the outer side of the welding gun bracket 85 is fixedly connected with a motor bracket 89, and the end of the motor bracket 89 away from the welding gun bracket 85 is fixedly connected. A servo motor 810 is fixedly connected, and the driving shaft of the servo motor 810 passes through the welding gun bracket 85 and is fixedly connected to a gear shaft 87. The gear shaft 87 passes through and is rotatably connected to the side of the welding gun bracket 85. A gear 88 is sleeved on and fixedly connected to the gear shaft 87. The side of the gear 88 is meshed with the internal meshing rack 83. The other end side of the welding gun bracket 85 away from the internal meshing rack 83 passes through and is rotatably connected to a welding gun shaft 812. A welding gun holder 813 is fixedly connected to the welding gun shaft 812, and a welding gun 814 is fixedly connected to one end of the welding gun holder 813.

[0024] When using the equipment, after the steel pipe columns to be processed on both sides are pressed and aligned with the positions to be welded, the welding machine of the welding device 8 is started to perform the welding operation, and the servo motor 810 is started. The power of the servo motor 810 is output to the gear shaft 87, and the gear shaft 87 drives the gear 88 to rotate. The gear shaft 87 rotates at the fixed position of the welding gun bracket 85, and the welding gun bracket 85 moves under the meshing action of the gear 88 and the internal meshing rack 83. The welding gun bracket 85 reciprocates on the internal meshing rack 83. When the servo motor 810 is started, the welding gun 814 is also started at the same time. A welding gun holder 813 is fixed on the welding gun shaft 812. The welding gun shaft 812 can be adjusted in angle according to different welding requirements, so that the welding gun 814 has different welding angles and welds the steel pipe columns to be welded at the same time, thereby realizing the large-angle rotary welding required for welding steel pipes. At the same time, the welding bracket can be installed with different types of welding guns according to different requirements for work.

[0025] When using the equipment, first place the steel pipe column to be processed on the roller 74, lift the lifting handle 79, and the lifting handle 79 moves upward, driving the clamping plates 77 on both sides to move upward at the same time, and the clamping plates 77 drive the guide rods 76 to move upward. At this time, the spring 78 on the guide rod 76 is squeezed by the second guide bracket 75 and the clamping plate 77 at the same time to generate a downward downward pressure. At this time, the steel pipe column to be processed is placed on the roller 74, and the lifting handle 79 is released. The clamping plate 77 presses the clamping plate 77 downward under the downward pressure generated by the spring 78. At this time, the steel pipe column to be processed is compressed under the action of the clamping plate 77. The roller 74 under the steel pipe column and the steel pipe column to be processed are both cylindrical. Under the action of gravity, the steel pipe column can be quickly moved in the radial direction. The roller 74 aligns the steel pipe column under the positioning effect of the second guide brackets 75 on both sides, and then adjusts the docking angle, directly pushing the connecting piece 54, the connecting piece 54 drives the first bracket 53, the first bracket 53 drives the adjusting gear 52, the adjusting gear 52 is sleeved on the guide column 51 to rotate, and the adjusting gear 52 is engaged with the adjusting gear 52 of another set of angle adjustment devices 5 while rotating, so that the two sets of angle adjustment devices 5 rotate synchronously, and after rotating to the required angle, the brake device on the first side brake caster 2 is operated to stop, and after the angle is deflected to the specified position, the angle of the upper guide adjustment device 6 and the guide device 7 are driven to deflect synchronously. After the angle of the guide device 7 is changed to the required specified angle, if the If the working angle needs to be finely adjusted, the turntable handle 66 can be manually turned, and the turntable handle 66 drives the turntable 65 to rotate, and the turntable 65 drives the worm 64 to rotate, and the rotation of the worm 64 drives the worm wheel 67 to rotate, and the rotation of the worm wheel 67 drives the guide device 7 above the worm wheel 67 to rotate as a whole, and the angle of the guide device 7 above the worm wheel 67 can be fine-tuned, and the side brake caster 62 provides auxiliary support for the guide device 7 above the guide adjustment device 6. The uniform setting of the side brake caster 62 makes the force of the guide device 7 above it uniform and balanced. After the docking angle is aligned, the welding machine of the welding device 8 is started to perform the welding operation, and the servo motor 810 is started. The power of the servo motor 810 is output to the gear shaft 87, and the gear shaft 87 drives the gear 88. The gear shaft 87 rotates at the fixed position of the welding gun bracket 85, and the welding gun bracket 85 moves under the meshing action of the gear 88 and the internal meshing rack 83. The welding gun bracket 85 rotates on the internal meshing rack 83. When the servo motor 810 is started, the welding gun 814 is also started at the same time. A welding gun holder 813 is fixed on the welding gun shaft 812. The welding gun shaft 812 can be adjusted in angle according to different welding requirements, so that the welding gun 814 has different welding angles and welds the steel pipe columns to be welded at the same time, realizing the needs of different docking angles when welding steel pipes, different diameter sizes when welding, and the needs of docking steel pipe columns of different shapes. After the large angle adjustment during docking, the fine angle adjustment in a small range is performed.The wide range of interfaces can be welded and the welding bracket can be installed with different types of welding guns according to different needs.

[0026] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A protective welding device for vertical butt joint of steel pipe columns, characterized in that: The invention comprises a workbench (1), wherein a first side brake caster (2) is fixedly connected to the top of the workbench (1), wherein a plurality of groups of the first side brake casters (2) are arranged, and the first side brake casters (2) are evenly arranged at the two ends of the top of the workbench (1); a welding bracket (3) is fixedly connected to the middle of the top of the workbench (1), wherein a plurality of groups of the welding brackets (3) are arranged, and the welding brackets (3) are evenly arranged at the two ends of the top of the workbench (1); a welding chassis (4) is fixedly connected to the top of the welding bracket (3), an angle adjustment device (5) is fixedly connected to the bottom of the welding chassis (4), a welding device (8) is fixedly connected to the top of the welding chassis (4), a guide adjustment device (6) is fixedly connected to the top of the angle adjustment device (5), and a guide device (7) is fixedly connected to the top of the guide adjustment device (6).

2. The protective welding equipment for vertical butt joint of steel pipe columns according to claim 1 is characterized in that: The angle adjustment device (5) comprises a guide column (51), an adjustment gear (52) is sleeved on the side of the guide column (51) and rotatably connected, a first bracket (53) is fixedly connected to the side of the adjustment gear (52), and a connecting piece (54) is fixedly connected to the top of one end of the first bracket (53) away from the adjustment gear (52).

3. The protective welding equipment for vertical butt joint of steel pipe columns according to claim 2 is characterized in that: The top of the connecting member (54) is fixedly connected to the bottom of the welding chassis (4), and two groups of guide columns (51) are provided, and the two groups of guide columns (51) are symmetrically distributed about the center position of the welding chassis (4).

4. The protective welding equipment for vertical butt joint of steel pipe columns according to claim 2 is characterized in that: The guide adjustment device (6) comprises an adjustment base plate (61), the top of the adjustment base plate (61) is fixedly connected to a side brake caster (62), the top of the adjustment base plate (61) is fixedly connected to an adjustment bracket (63), one side of the adjustment bracket (63) penetrates and is rotatably connected to a worm (64), one end of the worm (64) is fixedly connected to a turntable (65), a side of the turntable (65) away from the worm (64) is fixedly connected to a turntable handle (66), a side of the worm (64) is meshed with a meshing worm wheel (67), the bottom of the meshing worm wheel (67) is fixedly connected to a radial bearing (68), and the bottom of the radial bearing (68) is rotatably connected to the top of the adjustment base plate (61).

5. The protective welding equipment for vertically butting steel pipe columns according to claim 4 is characterized in that: The side brake casters (62) are arranged in multiple groups, and the multiple groups of side brake casters (62) are evenly arranged on the top of the adjustment base plate (61), and the top of the connecting member (54) is fixedly connected to the bottom of the adjustment base plate (61).

6. The protective welding equipment for vertically butting steel pipe columns according to claim 4 is characterized in that: The guide device (7) comprises a guide base plate (71), the top of the guide base plate (71) is fixedly connected to a first guide bracket (72), one end of the first guide bracket (72) passes through and is rotatably connected to a roller shaft (73), one end of the roller shaft (73) is fixedly connected to a roller (74), the top of the guide base plate (71) is fixedly connected to a second guide bracket (75) at a portion located on one side of the first guide bracket (72), the second guide bracket (75) is provided in two groups, the top of the second guide bracket (75) passes through and is slidably connected to a guide rod (76), the bottom of the guide rod (76) is fixedly connected to a clamping plate (77), the side of the guide rod (76) is sleeved and slidably connected to a spring (78), and the side of the clamping plate (77) is fixedly connected to a lifting handle (79).

7. The protective welding equipment for vertically butting steel pipe columns according to claim 6 is characterized in that: The top of the worm wheel (67) is fixedly connected to the top of the guide base plate (71), and a plurality of first guide brackets (72) are provided. The first guide brackets (72) are symmetrically arranged at two ends of the top of the guide base plate (71).

8. The protective welding equipment for vertical butt joint of steel pipe columns according to claim 1 is characterized in that: The welding device (8) comprises a protection frame (81), the inner wall of the protection frame (81) is fixedly connected to an arc-shaped outer shell (82), the inner wall of the arc-shaped outer shell (82) is fixedly connected to an inner meshing rack (83), two sides of the inner meshing rack (83) are provided with slide rail grooves (84), the inner side of the slide rail groove (84) is slidably connected to a welding gun bracket (85), the outer side of the welding gun bracket (85) is fixedly connected to a motor bracket (89), the end of the motor bracket (89) away from the welding gun bracket (85) is fixedly connected to a servo motor (810), and the servo motor (810) ) A driving shaft passes through the welding gun bracket (85) and is fixedly connected to a gear shaft (87); the gear shaft (87) passes through and is rotatably connected to a side surface of the welding gun bracket (85); a gear (88) is sleeved on and fixedly connected to the gear shaft (87); the side surface of the gear (88) is meshed with an internal meshing rack (83); a welding gun shaft (812) passes through and is rotatably connected to the side surface of the other end of the welding gun bracket (85) away from the internal meshing rack (83); a welding gun shaft (812) is fixedly connected to a welding gun frame (813); and a welding gun (814) is fixedly connected to one end of the welding gun frame (813).

9. The protective welding equipment for vertically butting steel pipe columns according to claim 8, characterized in that: The top of the welding chassis (4) is fixedly connected to the bottom of the protection frame (81), and the welding gun (814) can be replaced according to actual needs.

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