Welding device for construction engineering and method of using the same

Abstract

The present invention belongs to the field of welding technology, and discloses a welding device for construction engineering and a method of using the same, wherein the welding device for construction engineering comprises two support plates symmetrically arranged up and down, a height adjustment component is arranged between the two support plates, a movable frame is sleeved on the height adjustment component, movable plates are arranged on both sides of the movable frame, movable shells are slidably connected to the rear sides of the two movable plates, a spacing adjustment component is arranged between the movable shell and the movable frame, an arc-shaped groove is opened on a side surface of the movable plate away from the movable shell, an adjustable welding component is arranged inside the arc-shaped groove, a material movement component is arranged on the side of the two movable plates away from each other, and a lifting component for driving the movable frame to lift and move is arranged on the upper support plate; the present invention has a high overall degree of automation, can reduce labor intensity, improve welding efficiency, and has a simple overall structure and is easy to use, and can perform welding and installation operations of multiple lateral steels on a single main column.

Description

Technical Field

[0001] The invention belongs to the technical field of welding, and in particular relates to a welding device for construction engineering and a method of using the same. Background Art

[0002] In the field of construction engineering, welding technology, as an important means of connecting steel structure components, plays a vital role in ensuring the integrity and stability of the structure. It is widely used in large-scale engineering projects such as bridges and high-rise buildings. Welding steel structures by welding can effectively improve the integrity of the structure, simplify the structure of the construction project, and reduce construction costs. Therefore, it is widely used in existing technologies.

[0003] At present, when welding steel structures in construction projects, the most widely used scenario is: welding transverse columns on both sides of a main column. Through the welding process, a fixed connection is achieved between the main column and the transverse column, and the main column and the transverse column are arranged vertically. The main column and the transverse column are mostly made of square steel pipes, round steel pipes, etc.

[0004] In the prior art, when welding steel structures, manual welding is mostly used. Manual welding requires welders to maintain concentration and stable gestures for a long time. Especially in large or complex steel structure projects, the welding workload is huge, which places high demands on the welder's physical strength and endurance. Long-term welding operations can easily lead to welder fatigue, thereby affecting welding quality and safety. In addition, manual welding has low efficiency and cannot meet the needs of construction engineering, which affects welding quality and efficiency and increases labor costs. Summary of the invention

[0005] The main technical problem to be solved by the present invention is to provide a welding device for construction projects and a method of using the same, which has a high overall degree of automation, can reduce labor intensity, improve welding efficiency, and has a simple overall structure and is easy to use, and can perform welding and installation operations on multiple lateral steels on a single main column.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A welding device for construction engineering comprises two support plates arranged symmetrically up and down, a height adjustment component is arranged between the two support plates, a movable frame is sleeved on the height adjustment component, movable plates are arranged on both sides of the movable frame, movable shells are slidably connected to the rear sides of the two movable plates, a spacing adjustment component is arranged between the movable shell and the movable frame, an arc-shaped groove is opened on the side surface of the movable plate away from the movable shell, an adjustable welding component is arranged inside the arc-shaped groove, a material movement component is arranged on the side of the two movable plates away from each other, and a lifting component for driving the movable frame to move up and down is arranged on the upper support plate.

[0008] The following is a further optimization of the above technical solution by the present invention:

[0009] The height adjustment assembly includes a fixed frame, the lower end of the fixed frame is fixedly mounted on the lower support plate, the interior of the fixed frame is slidably connected with a vertical plate, the upper end of the vertical plate is fixedly mounted on the upper support plate, a vertically arranged threaded hole is opened in the middle of the vertical plate, a first threaded rod is threadedly connected in the threaded hole, and a first motor for driving the first threaded rod to rotate is fixedly mounted on the inner bottom surface of the fixed frame.

[0010] Further optimization: the spacing adjustment component includes a first electric push rod fixedly installed on a side of the movable shell away from the movable frame, the telescopic end of the first electric push rod passes through the movable shell and is fixedly connected to the movable frame, and two movable rods are symmetrically fixedly connected to the rear side wall of the movable frame, and the end of the movable rod away from the movable frame slides through the movable shell and is fixedly connected to a limiting plate.

[0011] Further optimization: the movable plate and the movable shell are slidably connected via a sliding assembly; second electric push rods are fixedly connected to the left and right side walls of the movable shell, and the telescopic ends of the two second electric push rods are fixedly connected to the movable plates on both sides respectively.

[0012] Further optimization: the adjustable welding assembly includes an arc plate, which is slidably installed in an arc groove opened on the movable plate. A number of mounting rods are evenly distributed and movably connected on the arc plate. A welding gun head is installed on one end of the mounting rod close to the center of the arc plate, and the other end of the mounting rod is fixedly connected to a limiting plate. A spring is sleeved on the mounting rod, and the two ends of the spring are respectively fixedly connected to the limiting plate and the outer side wall of the arc plate.

[0013] Further optimization: an arc-shaped rack is fixedly connected to a side wall of the arc-shaped plate away from the movable frame, a driving gear assembly is fixedly installed on the movable plate, and the driving gear assembly is meshed with the arc-shaped rack to drive the arc-shaped plate to rotate.

[0014] Further optimization: the material movement assembly includes a transverse shell, which is slidingly connected to the corresponding movable plate and has a second threaded rod threaded on the side wall. The second threaded rod is arranged along the moving direction of the transverse shell, and a third motor is installed on the movable plate to drive the second threaded rod to rotate.

[0015] Further optimization: a moving plate is movably inserted into one end of the transverse shell away from the movable plate, and the moving plate is in a "T" shape. A third electric push rod is fixedly installed on the transverse shell, and the telescopic end of the third electric push rod is fixedly connected to the moving plate; a fixed shell is fixedly connected to the front side wall of the moving plate, and the fixed shell is in an "L" shape. A splint is movably inserted into the upper end of the fixed shell, and a fourth electric push rod is fixedly connected to the top surface of the splint, and the telescopic end of the fourth electric push rod is fixedly connected to the moving plate.

[0016] Further optimization: the lifting assembly includes a lifting motor fixedly installed on the bottom surface of the upper support plate, a fixed shaft is fixedly connected to the power output end of the lifting motor, a traction rope is wound around the fixed shaft, the fixed end of the traction rope is fixedly connected to the fixed shaft, and the free end of the traction rope is fixedly connected to the movable frame.

[0017] The present invention also provides a method for using a welding device for construction engineering, based on the above-mentioned welding device for construction engineering, comprising the following steps:

[0018] S1: firstly move the welding device to a suitable position to be welded, and then connect the welding device to an external power source and a control device;

[0019] S2: Start the first motor to drive the first threaded rod to rotate, the first threaded rod is meshed and connected with the threaded hole, so that the vertical plate moves upward in the fixed frame, and the vertical plate drives the upper support plate to move upward and press against the inner top of the building structure. At this time, the welding device can be fixed and placed through the cooperation of the upper and lower support plates and the fixed frame and the vertical plate;

[0020] S3: Start the lifting motor to drive the fixed shaft to rotate forward and reverse, and the fixed shaft rotates to rewind or unwind the traction rope. At this time, the traction rope pulls the movable frame, so that the movable frame moves up and down on the fixed frame and adjusts to a suitable height position. The steel to be welded is placed between the fixed shell and the clamping plate, and the fourth electric push rod is started to drive the clamping plate to move to one side of the steel, and the steel is clamped and fixed by the clamping plate and the fixed shell;

[0021] S4: Then the first electric push rod is started to drive the movable shell to move, and the movable shell moves to drive the adjustable welding assembly to move and adjust to the positions on both sides of the main column through the movable plate, and the second electric push rod is started to drive the movable plates on both sides to move, and the movable plates drive the adjustable welding assembly to move to the appropriate positions on both sides of the main column;

[0022] S5: Start the third motor to drive the second threaded rod to rotate, the second threaded rod drives the cross shell to move, the cross shell drives the steel materials on both sides to move to the positions on both sides of the main column, so that the steel materials are aligned with the adjustable welding assembly, and then start the third electric push rod to drive the moving plate to move, the moving plate drives the steel materials to move to the side close to the main column, so that the ends of the steel materials are closely attached to the side walls on both sides of the main column, and the alignment and installation operation between the steel materials and the main column is completed;

[0023] S6: Start the driving gear assembly and the external welding machine, and use the external welding machine to perform welding processing between the steel and the main column. The driving gear assembly meshes with the arc rack to drive the arc plate to rotate, and the arc plate drives the welding gun head to rotate. During the rotation of the arc plate, the elastic force of the spring keeps the welding gun head in contact with the steel, so as to achieve a fast welding operation;

[0024] S7: Repeat the above steps S3-S6 to achieve welding and installation operations of multiple lateral steels on a single main column.

[0025] The present invention adopts the above technical solution and has the following beneficial effects:

[0026] 1. The present invention provides an adjustable welding assembly. When performing welding operations, the arc plate can be rotated by driving the second motor. The arc plate is used to drive the welding gun head thereon to rotate, so that efficient welding operations between steel structures can be achieved. The contact between the welding gun head and the steel can be ensured under the action of the spring, thereby improving the convenience and work efficiency of steel structure welding and reducing the labor intensity of manual welding.

[0027] 2. The present invention can adjust the height position of the movable frame through the lifting component, so that the steel structure can be adjusted to a suitable height, and the clamping plate and the fixed shell can be clamped on the steel through the action of the fourth electric push rod. The position of the steel can be adjusted by driving the third electric push rod and the third motor, which can not only improve the welding accuracy of the steel structure of the construction project, but also realize the automated handling operation of the steel, thereby improving welding efficiency and reducing labor intensity.

[0028] 3. The present invention sets a height adjustment component. When welding the steel structure, the vertical plate can be driven by the first motor to move up and down in the fixed frame, thereby changing the overall height of the welding device to meet the needs of different construction projects. The support plate can also be used to position the device, thereby improving stability and safety during welding construction.

[0029] The present invention is further described below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1A three-dimensional diagram of the overall structure in an embodiment of the present invention;

[0031] Figure 2 A three-dimensional diagram of the overall structure from another perspective in an embodiment of the present invention;

[0032] Figure 3 A schematic diagram of a three-dimensional structure on a movable frame in an embodiment of the present invention;

[0033] Figure 4 It is a structural schematic diagram of a height adjustment assembly in an embodiment of the present invention;

[0034] Figure 5 This is a schematic diagram of the structure of a spacing adjustment component in an embodiment of the present invention;

[0035] Figure 6 It is a schematic diagram of the three-dimensional structure on the movable plate in an embodiment of the present invention;

[0036] Figure 7 It is a structural schematic diagram of a material movement component in an embodiment of the present invention;

[0037] Figure 8 It is a structural schematic diagram of a lifting component in an embodiment of the present invention.

[0038] In the figure: 1-support plate; 2-height adjustment component; 3-movable frame; 4-movable plate; 5-distance adjustment component; 6-adjustable welding component; 7-material movement component; 8-lifting component; 9-fixed frame; 10-vertical plate; 11-threaded hole; 12-first threaded rod; 13-first motor; 14-movable shell; 15-first electric push rod; 16-second electric push rod; 17-movable rod; 18-arc plate; 19-mounting rod; 20-welding gun head; 21-limiting plate; 22-spring; 23 -arc-shaped rack; 24-mounting plate; 25-second motor; 26-rotating shaft; 27-gear; 28-transverse shell; 29-second threaded rod; 30-third motor; 31-side plate; 32-moving plate; 33-third electric push rod; 34-fixed shell; 35-clamp; 36-fourth electric push rod; 37-lifting motor; 38-fixed shaft; 39-traction rope; 40-vertical groove; 41-vertical slide plate; 42-arc-shaped groove; 43-arc-shaped slide plate; 44-roller; 45-slide groove; 46-slider. DETAILED DESCRIPTION

[0039] like Figure 1-8As shown, a welding device for construction engineering comprises two support plates 1 arranged symmetrically up and down, a height adjustment component 2 is arranged between the two support plates 1, a movable frame 3 is sleeved on the height adjustment component 2, movable plates 4 are arranged on both sides of the movable frame 3, movable shells 14 are slidably connected to the rear sides of the two movable plates 4, a spacing adjustment component 5 is arranged between the movable shell 14 and the movable frame 3, an arc-shaped groove is opened on the side surface of the movable plate 4 away from the movable shell 14, an adjustable welding component 6 is arranged inside the arc-shaped groove, a material movement component 7 is arranged on the side of the two movable plates 4 away from each other, and a lifting component 8 for driving the movable frame 3 to move up and down is arranged on the upper support plate 1.

[0040] The height adjustment assembly 2 includes a fixed frame 9, the lower end of which is fixedly mounted on the lower support plate 1, and a vertical plate 10 is slidably connected inside the fixed frame 9. The upper end of the vertical plate 10 passes through the upper end surface of the fixed frame 9 and is fixedly connected to the upper support plate 1.

[0041] A vertically arranged threaded hole 11 is opened in the middle of the vertical plate 10, and the lower end of the threaded hole 11 passes through the lower end surface of the vertical plate 10. A first threaded rod 12 is connected to the inner thread of the threaded hole 11. A first motor 13 is fixedly installed on the inner bottom surface of the fixed frame 9. The power output end of the first motor 13 is transmission-connected to the lower end of the first threaded rod 12, and the first motor 13 is used to drive the first threaded rod 12 to rotate.

[0042] In this design, the first motor 13 drives the first threaded rod 12 to rotate, and the first threaded rod 12 is meshed and connected with the threaded hole 11. The rotation of the first threaded rod 12 can drive the vertical plate 10 to stably rise and move in the fixed frame 9, thereby enabling the upper support plate 1 to be lifted and moved, so that the upper support plate 1 is pressed tightly against the inner top of the building structure, and the welding device can be fixed and placed through the cooperation of the support plates 1 on the upper and lower sides and the fixed frame 9 and the vertical plate 10, thereby improving the versatility and stability of the welding device during use.

[0043] The lower support plate 1 is provided with two through slots symmetrically arranged on the left and right sides, and rollers 44 are movably connected in the two through slots, so that the device can be easily moved and used.

[0044] The spacing adjustment component 5 includes a first electric push rod 15 fixedly mounted on a side of a movable shell 14 away from the movable frame 3, the telescopic end of the first electric push rod 15 penetrates the movable shell 14 and is fixedly connected to the movable frame 3, two movable rods 17 are symmetrically fixedly connected to the rear side wall of the movable frame 3, the axis of the movable rod 17 is arranged parallel to the first electric push rod 15, and the end of the movable rod 17 away from the movable frame 3 slides through the movable shell 14 and is fixedly connected to a limiting plate.

[0045] In this design, the movable shell 14 is slidably connected to the movable rod 17 , and the movable shell 14 can be guided by the movable rod 17 for easy use. The limiting plate is used to limit the position of the movable shell 14 on the movable rod 17 .

[0046] The telescopic end of the first electric push rod 15 is fixedly connected to the movable frame 3. When the first electric push rod 15 works, its telescopic end extends or retracts. At this time, under the action of the reaction force, the movable shell 14 can be driven to move away from or close to the two sides of the movable frame 3, so as to adjust the position of the movable shell 14 for easy use.

[0047] The movable plate 4 is slidably connected to the movable shell 14 via a sliding assembly; the sliding assembly includes a plurality of slide grooves 45 provided on a side of the movable shell 14 close to the movable frame 3, the plurality of slide grooves 45 are parallel and spaced apart, a plurality of sliders 46 are fixedly mounted on a side of the movable plate 4 close to the movable shell 14, and the sliders 46 are slidably mounted in corresponding slide grooves 45 respectively.

[0048] With this design, the movable plate 4 can be slidably installed on the movable shell 14 through the cooperation of the slider 46 and the slide groove 45, which is convenient for assembly and installation. The movement of the movable plate 4 can also be guided through the cooperation of the slider 46 and the slide groove 45, which is convenient for use.

[0049] The left and right side walls of the movable shell 14 are fixedly connected with second electric push rods 16, which are arranged vertically to the movable plate 4. The telescopic ends of the two second electric push rods 16 respectively penetrate the movable shell 14 and are fixedly connected to the movable plates 4 on both sides; the telescopic ends of the second electric push rods 16 are slidably connected to the movable shell 14.

[0050] In this design, the first electric push rod 15 is used to drive the movable shell 14 to move, and the movement of the movable shell 14 drives the adjustable welding assembly 6 to move through the movable plate 4, so as to adjust the position of the adjustable welding assembly 6 for easy use; the second electric push rod 16 is used to drive the corresponding movable plate 4 to move, and the movable plate 4 drives the adjustable welding assembly 6 to move to a suitable position; thereby, the welding device can realize welding operations on steel structures of different specifications, thereby improving the use effect and scope of use.

[0051] The left and right side walls of the fixed frame 9 are provided with vertical grooves 40, the front and rear side walls of the vertical plate 10 are also provided with vertical grooves 40, and the inner side walls of the movable frame 3 are fixedly connected with vertical slides 41, which are respectively inserted into the four vertical grooves 40. The vertical slides 41 are slidably connected to the vertical grooves 40, so that the movable frame 3 can move stably on the fixed frame 9 and the vertical plate 10, thereby improving the stability and welding accuracy of the welding device during use.

[0052] The adjustable welding assembly 6 includes an arc plate 18, which is slidably installed in an arc groove opened on the movable plate 4. A plurality of mounting rods 19 are evenly distributed and movably connected on the arc plate 18. A welding gun head 20 is installed on one end of the mounting rod 19 close to the center of the arc plate 18, and the other end of the mounting rod 19 is fixedly connected to a limiting plate 21.

[0053] The mounting rod 19 is sleeved with a spring 22 , one end of the spring 22 is fixedly connected to the limiting plate 21 , and the other end of the spring 22 is fixedly connected to the outer wall of the arc plate 18 .

[0054] An arc-shaped rack 23 is fixedly connected to a side wall of the arc-shaped plate 18 away from the movable frame 3 , and a driving gear assembly is fixedly installed on the movable plate 4 , and the driving gear assembly meshes with the arc-shaped rack 23 to drive the arc-shaped plate 18 to rotate.

[0055] The driving gear assembly includes a mounting plate 24 fixedly mounted on the movable plate 4, a second motor 25 fixedly mounted on the mounting plate 24, a rotating shaft 26 fixedly mounted on the power output end of the second motor 25, a gear 27 fixedly connected to the rotating shaft 26, and the gear 27 meshes with the arc-shaped rack 23.

[0056] With such a design, when performing welding operation, the second motor 25 is used to drive the gear 27 to rotate, and the gear 27 is meshed with the arc rack 23, thereby being able to drive the arc plate 18 to rotate, and the arc plate 18 is utilized to drive the welding gun head 20 thereon to rotate, thereby realizing efficient welding operation on steel, and under the action of the spring 22, the contact between the welding gun head 20 and the steel can be ensured, thereby improving the convenience and work efficiency of welding steel and reducing the labor intensity of manual welding.

[0057] An arc groove 42 is provided on the inner surface of the arc groove of the movable plate 4, and an arc slide plate 43 is fixedly connected to the outer arc surface of the arc plate 18. The arc slide plate 43 is slidably installed in the arc groove 42, so that the arc plate 18 can rotate stably on the movable plate 4, which is convenient for welding operation.

[0058] In this embodiment, a limit assembly is provided between the movable plate 4 and the arc plate 18 for limiting the rotation limit position of the arc plate 18. The limit assembly is a prior art, and the limit can be achieved by the cooperation of a limit block and a limit groove. The limit block is fixedly mounted on the arc plate 18, and the limit groove is opened on the movable plate 4.

[0059] The material movement assembly 7 includes a transverse shell 28, which is slidably connected to the corresponding movable plate 4 and has a second threaded rod 29 threadedly connected to the side wall. The second threaded rod 29 is arranged along the moving direction of the transverse shell 28, and a third motor 30 is installed on the movable plate 4 to drive the second threaded rod 29 to rotate.

[0060] A sliding groove is provided at a position on the movable plate 4 corresponding to the transverse shell 28 . The sliding groove is provided along the moving direction of the transverse shell 28 . A sliding block is slidably connected in the sliding groove. The sliding block is fixedly connected to the transverse shell 28 .

[0061] With this design, the transverse shell 28 can be slidably installed on the movable plate 4 through the cooperation of the sliding groove and the sliding block, which is convenient for assembly and installation. The cooperation of the sliding groove and the sliding block can also guide the movement of the transverse shell 28, which is convenient for use.

[0062] In this embodiment, a side plate 31 is fixedly mounted on the movable plate 4, and the third motor 30 is fixedly mounted on the side plate 31. The third motor 30 is fixedly mounted on the movable plate 4 through the side plate 31, which is convenient for assembly and installation.

[0063] In this embodiment, one end of the second threaded rod 29 away from the third motor 30 is rotatably connected to the mounting plate 24 , and the mounting plate 24 can support the second threaded rod 29 , thereby improving the stability of the second threaded rod 29 during rotation.

[0064] A moving plate 32 is movably inserted into one end of the transverse shell 28 away from the movable plate 4 . The moving plate 32 is in a T-shape. A third electric push rod 33 is fixedly mounted on the transverse shell 28 . The telescopic end of the third electric push rod 33 is fixedly connected to the moving plate 32 .

[0065] A fixed shell 34 is fixedly connected to the front side wall of the moving plate 32, and the fixed shell 34 is in an "L" shape. A clamping plate 35 is movably inserted into the upper end of the fixed shell 34, and the clamping plate 35 is in a "T" shape. A fourth electric push rod 36 is fixedly connected to the top surface of the clamping plate 35, and the telescopic end of the fourth electric push rod 36 is fixedly connected to the moving plate 32.

[0066] With this design, the fourth electric push rod 36 can drive the clamping plate 35 to move up and down. At this time, the clamping plate 35 and the fixed shell 34 cooperate to clamp the steel to be welded. The position of the clamped steel can be adjusted by driving the third electric push rod 33 and the third motor 30. This can not only improve the welding accuracy of the steel, but also realize the automated handling of the steel, thereby improving welding efficiency and reducing the labor intensity of workers.

[0067] The lifting assembly 8 includes a lifting motor 37 fixedly mounted on the bottom surface of the upper support plate 1 , and a fixed shaft 38 is fixedly connected to the power output end of the lifting motor 37 .

[0068] A traction rope 39 is wound around the fixed shaft 38 , a fixed end of the traction rope 39 is fixedly connected to the fixed shaft 38 , and a free end of the traction rope 39 is fixedly connected to the movable frame 3 .

[0069] With such a design, when performing welding processing operations, the lifting motor 37 can drive the fixed shaft 38 to rotate, and the fixed shaft 38 rewinds or unwinds the traction rope 39. At this time, the traction rope 39 pulls the movable frame 3, so that the movable frame 3 is raised and lowered on the fixed frame 9, thereby adjusting the height position of the movable frame 3, facilitating the adjustment of the welding height of the steel, and improving the welding efficiency of the steel in the construction project.

[0070] In this embodiment, the lifting motor 37 has a self-locking function, and the lifting motor 37 with a self-locking function is a prior art and can be directly purchased on the market; after the lifting motor 37 stops working, the rotation of the fixed shaft 38 is braked so that the fixed shaft 38 no longer rotates, thereby being able to limit and position the movable frame 3 for easy use.

[0071] The present invention also provides a method for using a welding device for construction engineering, based on the above-mentioned welding device for construction engineering, comprising the following steps:

[0072] S1: The roller 44 on the lower support plate 1 contacts the bottom surface. At this time, the roller 44 can support the movement of the welding device, and then the welding device is moved to a suitable position to be welded, and then the welding device is connected to an external power supply and a control device.

[0073] S2: Start the first motor 13 to drive the first threaded rod 12 to rotate. The first threaded rod 12 is meshed and connected with the threaded hole 11, so that the vertical plate 10 moves upward in the fixed frame 9. The vertical plate 10 drives the upper support plate 1 to move upward and press against the inner top of the building structure. At this time, the welding device can be fixed and placed through the cooperation of the upper and lower support plates 1 and the fixed frame 9 and the vertical plate 10.

[0074] S3: Start the lifting motor 37 to drive the fixed shaft 38 to rotate forward and reverse. The fixed shaft 38 rotates to rewind or unwind the traction rope 39. At this time, the traction rope 39 pulls the movable frame 3, so that the movable frame 3 is lifted and lowered on the fixed frame 9 and adjusted to a suitable height position. The steel to be welded is placed between the fixed shell 34 and the clamping plate 35. The fourth electric push rod 36 is started to drive the clamping plate 35 to move to one side of the steel. The steel is clamped and fixed by using the clamping plate 35 and the fixed shell 34.

[0075] In the step S3 , when the fixed shaft 38 rotates to rewind the traction rope 39 , the traction rope 39 pulls the movable frame 3 , so that the movable frame 3 moves upward on the fixed frame 9 .

[0076] When the fixed shaft 38 rotates to unwind the traction rope 39 , the movable frame 3 moves downward along the fixed frame 9 under the action of gravity.

[0077] In the step S3, the lifting motor 37 stops rotating to brake the rotation of the fixed shaft 38, so that the fixed shaft 38 stops rotating, thereby limiting and positioning the movable frame 3 for easy use.

[0078] S4: Then start the first electric push rod 15 to drive the movable shell 14 to move. The movable shell 14 moves through the movable plate 4 to drive the adjustable welding assembly 6 to move and adjust to the positions on both sides of the main column. Start the second electric push rod 16 to drive the movable plates 4 on both sides to move. The movable plates 4 drive the adjustable welding assembly 6 to move to the appropriate positions on both sides of the main column.

[0079] S5: Start the third motor 30 to drive the second threaded rod 29 to rotate. The second threaded rod 29 is threadedly connected to the cross shell 28. The rotation of the second threaded rod 29 drives the cross shell 28 to move. The cross shell 28 drives the steel on both sides to move to the positions on both sides of the main column, so that the steel is aligned with the adjustable welding assembly 6. Then start the third electric push rod 33 to drive the moving plate 32 to move. The moving plate 32 drives the steel to move to the side close to the main column, so that the end of the steel is tightly attached to the side walls on both sides of the main column, completing the alignment and installation operation between the steel and the main column.

[0080] S6: Start the driving gear assembly and the external welding machine, and use the external welding machine to realize welding processing between the steel and the main column. The driving gear assembly engages the arc rack 23 to drive the arc plate 18 to rotate, and the arc plate 18 drives the welding gun head 20 to rotate. During the rotation of the arc plate 18, the elastic force of the spring 22 is used to keep the welding gun head 20 in contact with the steel, thereby realizing a fast welding operation.

[0081] In step S6, the working process of the driving gear assembly is: the second motor 25 is used to drive the gear 27 to rotate, the gear 27 is meshed with the arc rack 23, and then can drive the arc plate 18 to rotate, and the arc plate 18 is used to drive the welding gun head 20 thereon to rotate, so as to realize efficient welding operations between steels.

[0082] S7: Repeat the above steps S3-S6 to achieve welding and installation operations of multiple lateral steels on a single main column.

[0083] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A welding device for construction engineering, comprising two support plates (1) arranged symmetrically up and down, characterized in that: A height adjustment component (2) is arranged between the two support plates (1), a movable frame (3) is sleeved on the height adjustment component (2), movable plates (4) are arranged on both sides of the movable frame (3), the rear sides of the two movable plates (4) are slidably connected with movable shells (14), a spacing adjustment component (5) is arranged between the movable shell (14) and the movable frame (3), an arc-shaped groove is provided on a side of the movable plate (4) away from the movable shell (14), an adjustable welding component (6) is arranged inside the arc-shaped groove, a material movement component (7) is arranged on the side of the two movable plates (4) away from each other, and a lifting component (8) for driving the movable frame (3) to move up and down is arranged on the upper support plate (1); The height adjustment assembly (2) comprises a fixed frame (9), the lower end of the fixed frame (9) is fixedly mounted on the lower support plate (1), the interior of the fixed frame (9) is slidably connected to a vertical plate (10), the upper end of the vertical plate (10) is fixedly mounted on the upper support plate (1), a vertically arranged threaded hole (11) is opened in the middle of the vertical plate (10), a first threaded rod (12) is internally threadedly connected to the threaded hole (11), and a first motor (13) for driving the first threaded rod (12) to rotate is fixedly mounted on the inner bottom surface of the fixed frame (9); The spacing adjustment component (5) comprises a first electric push rod (15) fixedly mounted on a side surface of a movable shell (14) away from the movable frame (3); the telescopic end of the first electric push rod (15) penetrates the movable shell (14) and is fixedly connected to the movable frame (3); two movable rods (17) are symmetrically fixedly connected to the rear side wall of the movable frame (3); one end of the movable rod (17) away from the movable frame (3) slides through the movable shell (14) and is fixedly connected to a limiting plate; when the first electric push rod (15) works, its telescopic end extends or retracts, and at this time, under the action of a reaction force, the movable shell (14) is driven to move to both sides away from or close to the movable frame (3); The movable plate (4) and the movable shell (14) are slidably connected via a sliding assembly; second electric push rods (16) are fixedly connected to the left and right side walls of the movable shell (14), and the telescopic ends of the two second electric push rods (16) are fixedly connected to the movable plates (4) on both sides respectively; The material movement assembly (7) comprises a transverse shell (28), the transverse shell (28) is slidably connected to the corresponding movable plate (4) and a second threaded rod (29) is threadedly connected to the side wall, the second threaded rod (29) is arranged along the moving direction of the transverse shell (28), and a third motor (30) for driving the second threaded rod (29) to rotate is installed on the movable plate (4); A moving plate (32) is movably inserted into one end of the transverse shell (28) away from the movable plate (4), the moving plate (32) being in a "T" shape, a third electric push rod (33) is fixedly mounted on the transverse shell (28), the telescopic end of the third electric push rod (33) being fixedly connected to the moving plate (32); a fixed shell (34) is fixedly connected to the front side wall of the moving plate (32), the fixed shell (34) being in an "L" shape, a clamping plate (35) is movably inserted into the upper end of the fixed shell (34), a fourth electric push rod (36) is fixedly connected to the top surface of the clamping plate (35), the telescopic end of the fourth electric push rod (36) being fixedly connected to the moving plate (32); The adjustable welding assembly (6) comprises an arc-shaped plate (18), the arc-shaped plate (18) is slidably mounted in an arc-shaped groove provided on the movable plate (4), a plurality of mounting rods (19) are evenly distributed and movably connected on the arc-shaped plate (18), a welding gun head (20) is mounted on one end of the mounting rod (19) close to the center of the arc-shaped plate (18), the other end of the mounting rod (19) is fixedly connected to a limit plate (21), a spring (22) is sleeved on the mounting rod (19), and the two ends of the spring (22) are respectively fixedly connected to the limit plate (21) and the outer side wall of the arc-shaped plate (18); An arc-shaped rack (23) is fixedly connected to a side wall of the arc-shaped plate (18) away from the movable frame (3); a driving gear assembly is fixedly mounted on the movable plate (4); the driving gear assembly is meshed with the arc-shaped rack (23) to drive the arc-shaped plate (18) to rotate; The lifting assembly (8) comprises a lifting motor (37) fixedly mounted on the bottom surface of the upper support plate (1); a fixed shaft (38) is fixedly connected to the power output end of the lifting motor (37); a traction rope (39) is wound around the fixed shaft (38); a fixed end of the traction rope (39) is fixedly connected to the fixed shaft (38); and a free end of the traction rope (39) is fixedly connected to the movable frame (3).

2. A method for using a welding device for construction engineering, based on the welding device for construction engineering according to claim 1, characterized in that: The following steps are involved: S1: firstly move the welding device to a suitable position to be welded, and then connect the welding device to an external power source and a control device; S2: starting the first motor (13) to drive the first threaded rod (12) to rotate, the first threaded rod (12) is meshed with the threaded hole (11), so that the vertical plate (10) moves upward in the fixed frame (9), the vertical plate (10) drives the upper support plate (1) to move upward and press against the inner top of the building structure, and at this time, the welding device can be fixed and placed by the cooperation of the upper and lower support plates (1) and the fixed frame (9) and the vertical plate (10); S3: starting the lifting motor (37) to drive the fixed shaft (38) to rotate forward and reverse, and the fixed shaft (38) rotates to rewind or unwind the traction rope (39). At this time, the traction rope (39) pulls the movable frame (3), so that the movable frame (3) is lifted and moved on the fixed frame (9) and adjusted to a suitable height position, and the steel to be welded is placed between the fixed shell (34) and the clamping plate (35). The fourth electric push rod (36) is started to drive the clamping plate (35) to move to one side of the steel, and the steel is clamped and fixed by using the clamping plate (35) and the fixed shell (34); S4: Then, the first electric push rod (15) is started to drive the movable shell (14) to move, and the movable shell (14) moves through the movable plate (4) to drive the adjustable welding assembly (6) to move and adjust to the positions on both sides of the main column, and the second electric push rod (16) is started to drive the movable plates (4) on both sides to move, and the movable plates (4) drive the adjustable welding assembly (6) to move to the appropriate positions on both sides of the main column; S5: starting the third motor (30) to drive the second threaded rod (29) to rotate, the second threaded rod (29) drives the cross shell (28) to move, the cross shell (28) drives the steel materials on both sides to move to the positions on both sides of the main column, so that the steel materials are aligned with the adjustable welding assembly (6), and then starting the third electric push rod (33) to drive the moving plate (32) to move, the moving plate (32) drives the steel materials to move to the side close to the main column, so that the ends of the steel materials are closely attached to the side walls on both sides of the main column, and the alignment and installation operation between the steel materials and the main column is completed; S6: starting the driving gear assembly and the external welding machine, and performing welding processing between the steel material and the main column by the external welding machine. The driving gear assembly meshes with the arc-shaped rack (23) to drive the arc-shaped plate (18) to rotate, and the arc-shaped plate (18) drives the welding gun head (20) to rotate. During the rotation of the arc-shaped plate (18), the elastic force of the spring (22) keeps the welding gun head (20) in contact with the steel material, thereby achieving a fast welding operation. S7: Repeat the above steps S3-S6 to achieve welding and installation operations of multiple lateral steels on a single main column.

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