Intelligent welding equipment for large-span high-speed rail station grid structure

Abstract

The invention belongs to the technical field of welding, and discloses intelligent welding equipment for a large-span high-speed rail station grid structure. Comprising a support, a welding equipment body and a first mounting frame. By arranging the adjusting assembly, when the surrounding welding diameter of the welding equipment body needs to be matched with the diameter of a circumferential weld, after a steel pipe is arranged on the supporting frame, a second motor is started, a plurality of semicircular blocks extrude a plurality of semicircular balls to move, and the semicircular balls drive pressure sensors to move through sliding rods; a plurality of pressure sensors are made to make contact with a steel pipe at the same time, the numerical values of the pressure sensors are kept within a certain range, that is, auxiliary clamping is conducted on the steel pipe, a semicircular ball drives a vertical rod and a telescopic sleeve to move downwards through an insertion hole and an insertion rod in the movement process, and the telescopic sleeve drives a lifting column to move downwards; therefore, the purpose of adjusting the diameter of the surrounding welding track according to the diameter of the circumferential weld is achieved.

Description

Technical Field

[0001] The present invention relates to the field of welding technology, and more specifically, to an intelligent welding device for the grid structure of large-span high-speed railway stations. Background Art

[0002] The grid structure of high-speed railway stations usually adopts a welded spherical grid structure, which is a new type of building structure product. Its advantages are that the welded spherical grid structure has a light overall weight, less material consumption, large structural stiffness, strong overall performance and seismic resistance. At the same time, due to the strong adaptability of the welded spherical grid structure, its overall structure is simple and convenient to transfer. It can be used not only for building structures with small and medium spans but also for large-span urban landmark buildings. Currently, it is mainly welded by a dedicated welding device for the welded spherical grid structure.

[0003] Existing welding devices for welded spherical grid structures include structures such as welding heads and support frames. The hollow spheres and steel pipes are positioned and fixed through the support frames, and the welding head welds around the circumferential weld. However, due to the combined welding of hollow spheres and steel pipes with various sizes, the diameters of the circumferential welds are different, but currently, the diameter of the circumferential welding track of the welding device is difficult to adjust according to different sizes of hollow spheres and steel pipes. Summary of the Invention

[0004] The present invention proposes an intelligent welding device for the grid structure of large-span high-speed railway stations to solve the problem that the diameter of the circumferential welding track of the current welding device in the background art is difficult to adjust according to different sizes of hollow spheres and steel pipes.

[0005] To achieve the above object, the present invention provides the following technical solutions: An intelligent welding device for the grid structure of large-span high-speed railway stations, including a bracket and a welding device main body, further including: A first mounting frame, the welding device main body is mounted on the first mounting frame. An adjusting mechanism for the angle of the welding device main body is provided on the first mounting frame, and an adjusting component for adjusting the distance between the welding device main body and the circumferential weld is provided on the first mounting frame; A circular ring plate, the circular ring plate is arranged on the adjusting component, and a cleaning component for cleaning the circumferential weld is arranged on the circular ring plate.

[0006] Further, the adjusting component includes a lifting column fixedly connected to the first mounting frame. A vertical shell is slidably connected to the bracket. The circular ring plate is fixedly connected to the vertical shell through a connecting plate. A sliding groove is opened in the vertical shell, and the lifting column is slidably inserted into the sliding groove. A first motor is fixedly connected to the vertical shell through an L-shaped plate. A first gear is fixedly connected to the output shaft of the first motor. An annular rack meshing with the first gear is fixedly connected to the inner wall of the bracket.

[0007] Further, a position detection component for detecting the position of the steel pipe is arranged on the bracket. The position detection component includes a vertical plate fixedly connected to the bracket. A fixed ring plate is fixedly connected to the vertical plate. A second motor is fixedly connected to the vertical plate. A second gear is fixedly connected to the output shaft of the second motor. A plurality of U-shaped rods are fixedly connected to the fixed ring plate. One end of each of the plurality of U-shaped rods is rotatably connected to a rotating ring plate. An arc-shaped rack meshing with the second gear is fixedly connected to the rotating ring plate. The other ends of the plurality of U-shaped rods are fixedly connected to a connecting ring plate. A plurality of sliding rods surrounding the outer side of the steel pipe are slidably inserted into the connecting ring plate. A semi-sphere is fixedly connected to one end of the sliding rod. A spring is fixedly connected between the semi-sphere and the connecting ring plate. A pressure sensor facing the steel pipe is installed at the other end of the sliding rod. A plurality of semi-circular blocks are fixedly connected to the inner wall of the rotating ring plate. The semi-sphere is located on the trajectory of the semi-circular block rotating around the center of the rotating ring plate.

[0008] Further, a threaded rod is rotatably connected to the vertical shell. A moving plate is threadedly connected to the outer wall of the threaded rod. A resisting column is fixedly connected to the moving plate. An avoidance hole facing the resisting column is formed in the vertical shell. A telescopic plate is fixedly connected to the bottom of the moving plate. The bottom end of the telescopic plate is fixedly connected to a telescopic sleeve. One end of the telescopic sleeve is fixedly connected to the lifting column. The other end of the telescopic sleeve is fixedly connected to a vertical rod. An inserting rod is fixedly connected to the bottom end of the vertical rod. A jack is formed in one of the semi-spheres. The inserting rod is inserted into the jack.

[0009] Further, the cleaning component includes an electric push rod fixedly connected to the circular ring plate. A cleaning sleeve is arranged at the output end of the electric push rod. The cleaning sleeve faces the circumferential weld.

[0010] Further, a box body is fixedly connected to the output end of the electric push rod. An inner cavity is arranged in the box body. A plurality of fixed sleeves communicating with the inner cavity are fixedly connected to the box body. A moving column is slidably inserted into the fixed sleeve. The cleaning sleeve is fixedly connected to one end of the plurality of moving columns.

[0011] Further, a second mounting bracket is fixedly connected to the box body through a fixed column. An electromagnetic ultrasonic flaw detector for detecting the quality of the circumferential weld is installed on the second mounting bracket. An adjusting mechanism for adjusting the angle of the electromagnetic ultrasonic flaw detector is arranged on the second mounting bracket.

[0012] Further, a marking component for marking the defective position of the circumferential weld is arranged on the second mounting bracket. The marking component includes an L-shaped shell fixedly connected to the second mounting bracket through an L-shaped column. A sliding plate is arranged in the L-shaped shell. A marking pen and an iron block are fixedly connected to the sliding plate. An electromagnet is fixedly connected to one end of the L-shaped shell. An elastic connecting rope is fixedly connected between the bottom of the sliding plate and the bottom of the L-shaped shell. An L-shaped sliding groove is formed in the L-shaped shell. The sliding plate slides in the L-shaped sliding groove through a slider.

[0013] Technical effects and advantages of the intelligent welding equipment for the long-span grid structure of high-speed railway stations of the present invention: (1) By setting the adjusting component, when it is necessary to make the circumferential welding diameter of the welding equipment main body match the diameter of the circumferential weld, after setting the steel pipe on the support frame, start the second motor to drive the rotating ring plate to rotate through the second gear and the arc-shaped rack. The rotating ring plate drives the movement of multiple semi-spheres through multiple semi-circular blocks. The semi-spheres drive the pressure sensors to move through the sliding rods, so that multiple pressure sensors are in contact with the steel pipe at the same time, and the values of multiple pressure sensors are kept within a certain range, that is, the position of the steel pipe is detected. During the movement of the semi-spheres, the vertical rod and the telescopic sleeve are driven to move downward through the jacks and the insertion rods, and the telescopic sleeve drives the lifting column to move downward, so that the welding equipment main body approaches the circumferential weld, achieving the purpose of adjusting the circumferential welding track diameter according to the circumferential weld diameter.

[0014] (2) By setting the cleaning component, when it is necessary to clean the welded circumferential weld, start the electric push rod to drive the box body and the cleaning sleeve box to move along the circumferential weld. After the cleaning sleeve contacts the hollow ball and the steel pipe, part of the moving column is pressed into the fixed sleeve, so that the shape of the cleaning sleeve adapts to the shape of the circumferential weld. The cleaning sleeve can clean the attached slag and spatter. At the same time, the circumferential weld can be subjected to quality inspection through the electromagnetic ultrasonic flaw detector. When a problematic circumferential weld is detected, the marking component can mark this position. Description of the drawings

[0015] Figure 1 is the overall structural schematic diagram of the present invention; Figure 2 is the first partial three-dimensional structural schematic diagram of the present invention; Figure 3 is the second partial three-dimensional structural schematic diagram of the present invention; Figure 4 In the present invention Figure 3 is the enlarged schematic diagram at A in; Figure 5 is the structural schematic diagram of the vertical rod and the semi-sphere of the present invention; Figure 6 is the structural schematic diagram of the electric push rod of the present invention; Figure 7 is the sectional view schematic diagram of the L-shaped housing of the present invention; Figure 8 is the sectional view schematic diagram of the box body and the fixed sleeve of the present invention; Figure 9 is the system schematic diagram of the present invention.

[0016] In the figure: 1. Bracket; 2. Welding equipment main body; 3. First mounting bracket; 4. Vertical shell; 5. Sliding groove; 6. Lifting column; 7. First motor; 8. First gear; 9. Annular rack; 10. Vertical plate; 11. Fixed ring plate; 12. Second motor; 13. Second gear; 14. U-shaped rod; 15. Rotating ring plate; 16. Arc rack; 17. Connecting ring plate; 18. Sliding rod; 19. Hemisphere; 20. Spring; 21. Pressure sensor; 22. Semi-circular block; 23. Threaded rod; 24. Moving plate; 25. Supporting column; 26. Avoidance hole; 27. Telescopic plate; 28. Telescopic sleeve; 29. Vertical rod; 30. Inserting rod; 31. Inserting hole; 32. Ring plate; 33. Electric push rod; 34. Cleaning sleeve; 35. Box body; 36. Inner cavity; 37. Fixed sleeve; 38. Moving column; 39. Second mounting bracket; 40. Electromagnetic ultrasonic flaw detector; 41. L-shaped shell; 42. Sliding plate; 43. Marker pen; 44. Iron block; 45. Electromagnet; 46. Connecting rope; 47. L-shaped sliding groove. Detailed implementation manner

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0018] Refer to Figure 1 - Figure 9 , the intelligent welding equipment for the large-span high-speed railway station grid structure, including a bracket 1 and a welding equipment main body 2, further including: The first mounting bracket 3, the welding equipment main body 2 is installed on the first mounting bracket 3, and an adjusting mechanism for the angle of the welding equipment main body 2 is provided on the first mounting bracket 3, and an adjusting component for adjusting the distance between the welding equipment main body 2 and the circumferential weld is provided on the first mounting bracket 3; The ring plate 32, the ring plate 32 is arranged on the adjusting component, and a cleaning component for cleaning the circumferential weld is provided on the ring plate 32; During use, the hollow sphere and the steel pipe are arranged on the support frame and positioned and clamped. After clamping, one end of the steel pipe abuts against the hollow sphere. The abutting position of the hollow sphere and the steel pipe is the circumferential weld to be welded. The main body 2 of the welding device is made to surround the circumferential weld for welding. The welding track of the main body 2 of the welding device surrounding the circumferential weld is adjusted through the adjusting assembly, so that the diameter of the welding track is adapted to the diameter of the circumferential weld, achieving the purpose of making the welding device adapt to hollow spheres and steel pipes of different sizes. Then, the angle of the main body 2 of the welding device is adjusted through the adjusting mechanism on the first mounting bracket 3, so that the angle between the main body 2 of the welding device and the circumferential weld is within a suitable angle range. The main body 2 of the welding device is started through the PLC to surround the circumferential weld for welding. After welding is completed, the slag and spatter near the circumferential weld can be cleaned through the cleaning assembly.

[0019] Refer to Figure 1 、 Figure 2 and Figure 3 As shown in FIGS.

[0020] Refer to Figure 2 、 Figure 3 and Figure 5, a position detection component for detecting the position of the steel pipe is arranged on the bracket 1. The position detection component includes a vertical plate 10 fixedly connected to the bracket 1, a fixed ring plate 11 fixedly connected to the vertical plate 10, a second motor 12 fixedly connected to the vertical plate 10. The output shaft of the second motor 12 is fixedly connected with a second gear 13. A plurality of U-shaped rods 14 are fixedly connected to the fixed ring plate 11. One end of each of the plurality of U-shaped rods 14 is rotatably connected with a rotating ring plate 15. An arc-shaped rack 16 meshing with the second gear 13 is fixedly connected to the rotating ring plate 15. The other ends of the plurality of U-shaped rods 14 are fixedly connected with a connecting ring plate 17. A plurality of sliding rods 18 surrounding the outside of the steel pipe are slidably inserted into the connecting ring plate 17. One end of each sliding rod 18 is fixedly connected with a semi-sphere 19. A spring 20 is fixedly connected between the semi-sphere 19 and the connecting ring plate 17. A pressure sensor 21 facing the steel pipe is installed at the other end of the sliding rod 18. A plurality of semi-circular blocks 22 are fixedly connected to the inner wall of the rotating ring plate 15. The semi-sphere 19 is located on the trajectory of the semi-circular blocks 22 rotating around the center of the rotating ring plate 15. After the external support frame positions and clamps the steel pipe, the second motor 12 is started through the PLC. The second motor 12 drives the second gear 13 to rotate. The second gear 13 drives the rotating ring plate 15 to rotate at one end of the U-shaped rod 14 through the arc-shaped rack 16. The rotating ring plate 15 drives the plurality of semi-circular blocks 22 to rotate. The semi-circular blocks 22 can press the semi-spheres 19 on the trajectory. The plurality of semi-spheres 19 are simultaneously pressed towards the steel pipe. The semi-spheres 19 drive the pressure sensors 21 to move through the sliding rods 18. The spring 20 is compressed, so that the plurality of pressure sensors 21 are simultaneously abutted against the outer wall of the steel pipe, and the plurality of pressure sensors 21 are kept within a certain range. If the value of a certain pressure sensor 21 is not within this range, it means that the position of the steel pipe is deviated and needs to be corrected in time. The position states such as the height and angle of the steel pipe are adjusted through the external support frame until the values of all the pressure sensors 21 are within the specified range, so as to achieve the purpose of correcting the position of the steel pipe. Then, the first motor 7 and the welding equipment main body 2 can be started through the PLC for welding.

[0021] Refer to Figure 3 , Figure 4 and Figure 5, a threaded rod 23 is rotatably connected to the vertical shell 4. A moving plate 24 is threadedly connected to the outer wall of the threaded rod 23. A resisting column 25 is fixedly connected to the moving plate 24. An avoidance hole 26 facing the resisting column 25 is formed in the vertical shell 4. A telescopic plate 27 is fixedly connected to the bottom of the moving plate 24. A telescopic sleeve 28 is fixedly connected to the bottom end of the telescopic plate 27. One end of the telescopic sleeve 28 is fixedly connected to the lifting column 6. The other end of the telescopic sleeve 28 is fixedly connected to a vertical rod 29. A plug rod 30 is fixedly connected to the bottom end of the vertical rod 29. A jack 31 is formed in one of the semi-spheres 19, and the plug rod 30 is inserted into the jack 31. When the PLC starts the second motor 12 to detect the position of the steel pipe through the pressure sensor 21, the semi-sphere 19 will move towards the steel pipe. One of the semi-spheres 19 drives the vertical rod 29 to move towards the steel pipe through the jack 31 and the plug rod 30. The vertical rod 29 drives the lifting column 6 to move towards the steel pipe through the telescopic sleeve 28, so that the lifting column 6 gradually slides out of the sliding groove 5, thereby achieving the purpose of adjusting the welding track diameter of the welding equipment main body 2. After the adjustment is completed, rotate the rotating block at one end of the threaded rod 23 to drive the threaded rod 23 to rotate. The threaded rod 23 drives the moving plate 24 to move. The moving plate 24 drives the resisting column 25 to be inserted into the avoidance hole 26 and abut against the side wall of the lifting column 6 to lock the lifting column 6. At the same time, the moving plate 24 can drive the vertical rod 29 and the plug rod 30 to move through the telescopic plate 27, so that the plug rod 30 leaves the jack 31, that is, the adjustment of the welding track diameter of the welding equipment main body 2 is completed. The rotating block at one end of the threaded rod 23 can be replaced with a driving device, which is also controlled by the PLC.

[0022] Refer to Figure 2 and Figure 6 , the cleaning assembly includes an electric push rod 33 fixedly connected to the circular ring plate 32. A cleaning sleeve 34 is arranged at the output end of the electric push rod 33, and the cleaning sleeve 34 faces the circumferential weld. During the welding process, the electric push rod 33 is started by the PLC. The electric push rod 33 drives the cleaning sleeve 34 to move towards the circumferential weld, so that the cleaning sleeve 34 contacts the circumferential weld and its vicinity. The vertical shell 4 rotates on the support 1 and can drive the electric push rod 33 and the cleaning sleeve 34 to rotate around the circumferential weld through the circular ring plate 32, so that the cleaning sleeve 34 can clean the slag and spatter attached to the circumferential weld and its vicinity.

[0023] Refer to Figure 6 and Figure 8, the output end of the electric push rod 33 is fixedly connected with a box body 35. An inner cavity 36 is arranged inside the box body 35. A plurality of fixed sleeves 37 communicating with the inner cavity 36 are fixedly connected to the box body 35. A moving column 38 is slidably inserted into the fixed sleeve 37. A cleaning sleeve 34 is fixedly connected to one end of the plurality of moving columns 38; a liquid is arranged in the inner cavity 36 and the fixed sleeve 37. Starting the electric push rod 33 can drive the box body 35 and the cleaning sleeve 34 to move towards the circumferential weld, so that one end of the plurality of moving columns 38 abuts against the outer walls of the hollow ball and the steel pipe through the cleaning sleeve 34. Part of the moving columns 38 are first pressed into the fixed sleeves 37, so that the cleaning sleeve 34 deforms to adapt to the circumferential weld.

[0024] Refer to Figure 6 , a second mounting bracket 39 is fixedly connected to the box body 35 through a fixed column. An electromagnetic ultrasonic flaw detector 40 for detecting the quality of the circumferential weld is installed on the second mounting bracket 39. An adjusting mechanism for adjusting the angle of the electromagnetic ultrasonic flaw detector 40 is arranged on the second mounting bracket 39; before welding, the angle of the electromagnetic ultrasonic flaw detector 40 is adjusted through the adjusting mechanism on the second mounting bracket 39. During the cleaning process of the circumferential weld by the cleaning sleeve 34, the quality of the circumferential weld can be detected by the electromagnetic ultrasonic flaw detector 40.

[0025] Refer to Figure 6 and Figure 7 , a marking component for marking the defective position of the circumferential weld is arranged on the second mounting bracket 39. The marking component includes an L-shaped shell 41 fixedly connected to the second mounting bracket 39 through an L-shaped column. A sliding plate 42 is arranged inside the L-shaped shell 41. A marking pen 43 and an iron block 44 are fixedly connected to the sliding plate 42. An electromagnet 45 is fixedly connected to one end of the L-shaped shell 41. An elastic connecting rope 46 is fixedly connected between the bottom of the sliding plate 42 and the bottom of the L-shaped shell 41. An L-shaped sliding groove 47 is formed inside the L-shaped shell 41. The sliding plate 42 slides in the L-shaped sliding groove 47 through a slider; when the electromagnetic ultrasonic flaw detector 40 detects that there is a defect in a certain circumferential weld, the electromagnetic ultrasonic flaw detector 40 feeds back the information to the PLC. The electromagnet 45 is turned on through the PLC. After the electromagnet 45 is energized, it generates a magnetic force to attract the iron block 44. The iron block 44 can drive the sliding plate 42 and the marking pen 43 to move along the L-shaped sliding groove 47, that is, move upward first and then move towards the electromagnet 45. The connecting rope 46 is stretched. The marking pen 43 moves upward to contact the outer wall of the steel pipe. The marking pen 43 moves towards the electromagnet 45 to make a mark on the steel pipe, and the marked position is directly opposite to the electromagnetic ultrasonic flaw detector 40, that is, directly opposite to the defective position of the circumferential weld. After the marking is completed, the electromagnet 45 is turned off through the PLC. Under the action of the connecting rope 46, the marking pen 43 and the sliding plate 42 first move away from the electromagnet 45 and then return to one end of the L-shaped shell 41.

[0026] Working principle: During use, place the hollow sphere and the steel pipe on the support frame and position and clamp them. After clamping, one end of the steel pipe abuts against the hollow sphere. The abutting position of the hollow sphere and the steel pipe is the circumferential weld to be welded. Make the main body 2 of the welding equipment surround the circumferential weld for welding. Adjust the welding track of the main body 2 of the welding equipment surrounding the circumferential weld through the adjusting component, so that the diameter of the welding track is adapted to the diameter of the circumferential weld, achieving the purpose of making the welding equipment adapt to hollow spheres and steel pipes of different sizes. Then, adjust the angle of the main body 2 of the welding equipment through the adjusting mechanism on the first mounting frame 3, so that the angle between the main body 2 of the welding equipment and the circumferential weld is within a suitable angle range. Start the main body 2 of the welding equipment through the PLC to make it surround the circumferential weld for welding. After welding, the slag and spatter near the circumferential weld can be cleaned through the cleaning component; When it is necessary to adjust the diameter of the welding track of the main body 2 of the welding equipment to be adapted to the diameter of the circumferential weld, move the lifting column 6 downward. The lifting column 6 gradually moves away from the sliding groove 5. The lifting column 6 drives the first mounting frame 3 and the main body 2 of the welding equipment to move until the main body 2 of the welding equipment moves to a suitable position. Start the first motor 7 and the main body 2 of the welding equipment through the PLC. The first motor 7 drives the first gear 8 to rotate, making the first gear 8 run on the annular rack 9, thereby driving the vertical shell 4 and the main body 2 of the welding equipment to rotate on the support 1, so that the main body 2 of the welding equipment can surround the circumferential weld for welding. The lifting column 6 slides in the sliding groove 5 to achieve stepless adjustment of the main body 2 of the welding equipment; After the external support frame positions and clamps the steel pipe, start the second motor 12 through the PLC. The second motor 12 drives the second gear 13 to rotate. The second gear 13 drives the rotating ring plate 15 to rotate at one end of the U-shaped rod 14 through the arc-shaped rack 16. The rotating ring plate 15 drives a plurality of semi-circular blocks 22 to rotate. The semi-circular blocks 22 can press the semi-spherical balls 19 on the track. A plurality of semi-spherical balls 19 are simultaneously pressed towards the steel pipe. The semi-spherical balls 19 drive the pressure sensors 21 to move through the sliding rods 18, and the spring 20 is compressed, so that a plurality of pressure sensors 21 simultaneously abut against the outer wall of the steel pipe, keeping a plurality of pressure sensors 21 within a certain range. If the value of a certain pressure sensor 21 is not within this range, it means that the position of the steel pipe has shifted and needs to be corrected in time. Adjust the position states such as the height and angle of the steel pipe through the external support frame until the values of all pressure sensors 21 are within the specified range, thereby achieving the purpose of correcting the position of the steel pipe. Then, the first motor 7 and the main body 2 of the welding equipment can be started through the PLC for welding; When the PLC starts the second motor 12 to detect the position of the steel pipe through the pressure sensor 21, the semi-sphere 19 will move towards the steel pipe. One of the semi-spheres 19 drives the vertical rod 29 towards the steel pipe through the insertion hole 31 and the insertion rod 30. The vertical rod 29 drives the lifting column 6 towards the steel pipe through the telescopic sleeve 28, so that the lifting column 6 gradually slides out of the sliding groove 5, thereby achieving the purpose of adjusting the welding trajectory diameter of the welding equipment main body 2. After the adjustment is completed, the rotating block at one end of the threaded rod 23 drives the threaded rod 23 to rotate. The threaded rod 23 drives the moving plate 24 to move. The moving plate 24 drives the abutting column 25 to be inserted into the avoidance hole 26 and abut against the side wall of the lifting column 6 to lock the lifting column 6. At the same time, the moving plate 24 can drive the vertical rod 29 and the insertion rod 30 to move through the telescopic plate 27, so that the insertion rod 30 leaves the insertion hole 31, that is, the welding trajectory diameter of the welding equipment main body 2 is adjusted; the rotating block at one end of the threaded rod 23 can be replaced with a driving device, which is also controlled by the PLC; During the welding process, the electric push rod 33 is started through the PLC. The electric push rod 33 drives the cleaning sleeve 34 to move towards the circumferential weld, so that the cleaning sleeve 34 contacts the circumferential weld and its vicinity. The vertical shell 4 rotates on the bracket 1, and the circular ring plate 32 can drive the electric push rod 33 and the cleaning sleeve 34 to rotate around the circumferential weld, so that the cleaning sleeve 34 can clean the slag and spatter attached to the circumferential weld and its vicinity; There is liquid in the inner cavity 36 and the fixed sleeve 37. Starting the electric push rod 33 can drive the box body 35 and the cleaning sleeve 34 to move towards the circumferential weld, so that one end of the plurality of moving columns 38 abuts against the outer walls of the hollow ball and the steel pipe through the cleaning sleeve 34. Some of the moving columns 38 are first pressed into the fixed sleeve 37, so that the cleaning sleeve 34 deforms to adapt to the circumferential weld; Before welding, the angle of the electromagnetic ultrasonic flaw detector 40 is adjusted through the adjusting mechanism on the second mounting bracket 39. During the cleaning process of the circumferential weld by the cleaning sleeve 34, the quality of the circumferential weld can be detected through the electromagnetic ultrasonic flaw detector 40; When the electromagnetic ultrasonic flaw detector 40 detects that there is a defect in a certain circumferential weld, the electromagnetic ultrasonic flaw detector 40 feeds back the information to the PLC. The electromagnet 45 is turned on through the PLC. After the electromagnet 45 is energized, it generates a magnetic force to attract the iron block 44. The iron block 44 can drive the sliding plate 42 and the marking pen 43 to move along the L-shaped sliding groove 47, that is, first move upward and then move towards the electromagnet 45. The connecting rope 46 is stretched. The marking pen 43 moves upward to contact the outer wall of the steel pipe. The marking pen 43 moves towards the electromagnet 45 to make a mark on the steel pipe, and the marked position is directly opposite to the electromagnetic ultrasonic flaw detector 40, that is, directly opposite to the defective position of the circumferential weld. After the marking is completed, the electromagnet 45 is turned off through the PLC. Under the action of the connecting rope 46, the marking pen 43 and the sliding plate 42 first move away from the electromagnet 45 and then return to one end of the L-shaped housing 41.

[0027] As described above, it is only the specific implementation manner of the present application. However, the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application can easily think of changes or substitutions, which should all be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the said claims.

[0028] Finally: The above description is only the preferred embodiment of the present invention and is not used to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An intelligent welding device for a large-span high-speed railway station grid structure, comprising a bracket (1) and a welding device body (2), characterized in that: Also includes: A first mounting frame (3), the welding equipment body (2) being mounted on the first mounting frame (3), an adjusting mechanism for adjusting the angle of the welding equipment body (2) being provided on the first mounting frame (3), and an adjusting component for adjusting the distance between the welding equipment body (2) and the girth weld being provided on the first mounting frame (3); The circular ring plate (32) is arranged on the adjustment component, and a cleaning component for cleaning the annular weld is arranged on the circular ring plate (32).

2. The large-span high-speed railway station grid structure intelligent welding equipment according to claim 1 is characterized in that: The adjustment assembly comprises a lifting column (6) fixedly connected to a first mounting frame (3); a vertical shell (4) is slidably connected to the bracket (1); the annular plate (32) is fixedly connected to the vertical shell (4) via a connecting plate; a sliding groove (5) is provided in the vertical shell (4); the lifting column (6) is slidably inserted in the sliding groove (5); a first motor (7) is fixedly connected to the vertical shell (4) via an L-shaped plate; an output shaft of the first motor (7) is fixedly connected to a first gear (8); and an annular rack (9) meshing with the first gear (8) is fixedly connected to the inner wall of the bracket (1).

3. The large-span high-speed railway station grid structure intelligent welding equipment according to claim 2 is characterized in that: The support (1) is provided with a position detection assembly for detecting the position of the steel pipe, the position detection assembly comprising a vertical plate (10) fixedly connected to the support (1), a fixed ring plate (11) fixedly connected to the vertical plate (10), a second motor (12) fixedly connected to the vertical plate (10), an output shaft of the second motor (12) fixedly connected to a second gear (13), a plurality of U-shaped rods (14) fixedly connected to the fixed ring plate (11), one end of the plurality of U-shaped rods (14) being rotatably connected to a rotating ring plate (15), an arc-shaped rack (16) meshing with the second gear (13) fixedly connected to the rotating ring plate (15), The other ends of the plurality of U-shaped rods (14) are fixedly connected to a connecting ring plate (17), and the connecting ring plate (17) is slidably inserted with a plurality of sliding rods (18) arranged around the outside of the steel pipe. A semicircular ball (19) is fixedly connected to one end of the sliding rod (18), and a spring (20) is fixedly connected between the semicircular ball (19) and the connecting ring plate (17). A pressure sensor (21) facing the steel pipe is installed at the other end of the sliding rod (18). The inner wall of the rotating ring plate (15) is fixedly connected to a plurality of semicircular blocks (22), and the semicircular balls (19) are located on the trajectory of the semicircular blocks (22) rotating around the center of the rotating ring plate (15).

4. The large-span high-speed railway station grid structure intelligent welding equipment according to claim 3 is characterized in that: The vertical shell (4) is rotatably connected to a threaded rod (23), the outer wall of the threaded rod (23) is threadedly connected to a movable plate (24), the movable plate (24) is fixedly connected to a support column (25), the vertical shell (4) is provided with an avoidance hole (26) directly opposite to the support column (25), the bottom of the movable plate (24) is fixedly connected to a telescopic plate (27), the bottom end of the telescopic plate (27) is fixedly connected to a telescopic sleeve (28), one end of the telescopic sleeve (28) is fixedly connected to a lifting column (6), the other end of the telescopic sleeve (28) is fixedly connected to a vertical rod (29), the bottom end of the vertical rod (29) is fixedly connected to an insertion rod (30), one of the semicircular balls (19) is provided with an insertion hole (31), and the insertion rod (30) is inserted into the insertion hole (31).

5. The large-span high-speed railway station grid structure intelligent welding equipment according to claim 4 is characterized in that: The cleaning assembly comprises an electric push rod (33) fixedly connected to the circular ring plate (32), and a cleaning sleeve (34) is provided at the output end of the electric push rod (33), and the cleaning sleeve (34) is directly opposite to the annular weld.

6. The large-span high-speed railway station grid structure intelligent welding equipment according to claim 5 is characterized in that: The output end of the electric push rod (33) is fixedly connected to a box body (35), an inner cavity (36) is provided in the box body (35), a plurality of fixed sleeves (37) in communication with the inner cavity (36) are fixedly connected to the box body (35), a movable column (38) is slidably inserted in the movable sleeve (37), and the cleaning sleeve (34) is fixedly connected to one end of the plurality of movable columns (38).

7. The large-span high-speed railway station grid structure intelligent welding equipment according to claim 6 is characterized in that: A second mounting frame (39) is fixedly connected to the box body (35) via a fixing column, an electromagnetic ultrasonic flaw detector (40) for quality inspection of the girth weld is mounted on the second mounting frame (39), and an adjustment mechanism for adjusting the angle of the electromagnetic ultrasonic flaw detector (40) is provided on the second mounting frame (39).

8. The large-span high-speed railway station grid structure intelligent welding equipment according to claim 7 is characterized in that: The second mounting frame (39) is provided with a marking assembly for marking a bad position of the circumferential weld, the marking assembly comprising an L-shaped shell (41) fixedly connected to the second mounting frame (39) via an L-shaped column, a sliding plate (42) is provided in the L-shaped shell (41), a marking pen (43) and an iron block (44) are fixedly connected to the sliding plate (42), an electromagnet (45) is fixedly connected to one end of the L-shaped shell (41), an elastic connecting rope (46) is fixedly connected between the bottom of the sliding plate (42) and the bottom of the L-shaped shell (41), an L-shaped slide groove (47) is provided in the L-shaped shell (41), and the sliding plate (42) slides in the L-shaped slide groove (47) via a slider.

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