Automatic welding equipment for large steel structure joints

Abstract

The invention discloses automatic welding equipment for large steel structure joints, and relates to the technical field of steel structure welding. Comprising an automatic welding gun part, a rotary fine adjustment part is installed on the automatic welding gun part, and an upper edge detection part is installed on the rotary fine adjustment part; the upper edge detection piece is used for detecting the upper edge of the steel beam; the rotary fine tuning piece is used for adjusting the angle of the upper edge detection piece; a position test piece is mounted on the rotary fine tuning piece; the position test piece is used for detecting a welding position; the upper edge detection piece can be used for ensuring that welding personnel firstly weld the lower edge groove of the steel beam during welding work, so that the welding quality of the structure can be improved, and the welding hidden danger caused by preferential welding of the upper edge of the steel beam is avoided; the problems that according to an existing steel structure node automatic welding device, the steel beam welding sequence is poor in control, the steel beam welding quality is prone to being affected, and the cable state is inconvenient to test in real time for prompting are solved.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure welding, in particular to automatic welding equipment for large steel structure nodes. Background Art

[0002] In the actual steel structure construction and installation work, usually the steel structure beam needs to be installed with high-strength bolts, and then the upper and lower edges of the steel beam are connected to the steel structure columns and other parts by welding to ensure the safety of installation and construction. With the development of welding technology, automatic welding is now widely used, and it is no longer necessary to manually use electrode clamps to clamp. For example, the automatic wire-out two-protection welding machine is widely used due to its automatic wire-out characteristics. In order to reduce the influence of stress in the actual steel structure beam welding work, it is usually necessary to weld the lower edge of the steel beam first and then weld the upper edge of the steel beam. The current steel structure node automatic welding equipment is usually manually handheld for welding operation, which is not convenient to prevent staff from misoperation, and it is easy to cause the upper edge of the steel beam to be welded first, and the welding sequence of the steel beam is not well controlled, affecting the welding quality of the steel beam. At the same time, the cable length of the welding gun is relatively long. When the cable is over-twisted during use, it is easy to affect the wire out speed, increase the wire out resistance, and affect the welding accuracy of the wire, and even cause wire blocking. It is not convenient to test the cable status in real time for prompts. When manually welding the steel beam, it is easy to miss the lining plate, affecting the welding safety.

[0003] To this end, we propose an automatic welding equipment for large steel structure nodes. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic welding device for large steel structure nodes to solve the problems raised in the above background technology that the current automatic welding device for steel structure nodes has poor control over the welding sequence of steel beams, which easily affects the welding quality of steel beams and is not convenient for real-time testing of cable status for prompting.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic welding equipment for large-scale steel structure nodes, comprising an automatic welding gun component, a rotating fine-tuning component is installed on the automatic welding gun component, an upper edge detection component is installed on the rotating fine-tuning component; the upper edge detection component is used to detect the upper edge of the steel beam; the rotating fine-tuning component is used to adjust the angle of the upper edge detection component; a position testing component is installed on the rotating fine-tuning component; the position testing component is used to detect the welding position; a lining in place testing component is installed on the position testing component; the lining in place testing component is used to detect the upper edge lining of the steel beam; a welding wire anti-twist component is installed on the automatic welding gun component; the welding wire anti-twist component is used to reduce the resistance to welding wire feeding; the automatic welding gun component comprises: a two-protection welding gun head and a warning light, a warning light is fixedly installed on the two-protection welding gun head; the end of the two-protection welding gun head is a bending structure.

[0006] Preferably, the automatic welding gun parts include: a nozzle and a nozzle ball head, the nozzle is threadedly connected to the double-protection welding gun head; and a nozzle ball head is arranged on the outer side of the nozzle.

[0007] Preferably, the rotary fine-tuning part includes: an adjusting ball sleeve, a positioning bolt, a detection mounting arm, a reset spring and a power switch, the adjusting ball sleeve is sleeved on the nozzle ball head; the adjusting ball sleeve is threaded with a positioning bolt; the end of the positioning bolt is squeezed and fitted on the outside of the nozzle ball head; the detection mounting arm is fixedly mounted on the adjusting ball sleeve; the detection mounting arm is sleeved with a reset spring; a row of thorn-shaped grooves are provided on the upper part of the detection mounting arm; the end of the reset spring is connected to the detection mounting arm; and a power switch is fixedly mounted on the top of the detection mounting arm.

[0008] Preferably, the upper edge detection component includes: a detection cylinder, a switch spring, a lower pressure plate, a positioning ratchet block and an electromagnet, the detection cylinder is slidably sleeved on the detection mounting arm; the bottom of the detection cylinder is connected to the other end of the reset spring; a switch spring is sleeved inside the detection cylinder; a lower pressure plate is fixedly mounted on the bottom end of the switch spring, and the lower pressure plate is slidably mounted inside the detection cylinder; a positioning ratchet block is slidably mounted on the detection cylinder; a row of ratchet teeth is provided on the side of the positioning ratchet block; the positioning ratchet block is used to be inserted into a row of ratchet grooves on the upper part of the detection mounting arm; an electromagnet is fixedly mounted on the detection cylinder; the electromagnet magnetically attracts the positioning ratchet block; a spring is provided between the positioning ratchet block and the electromagnet; the top of the detection cylinder is a disc-shaped structure; the top of the detection cylinder is used to fit the upper edge of the steel beam.

[0009] Preferably, the position testing piece includes: a support plate, a secondary handle and a delay switch, the support plate is fixedly mounted on the side of the adjusting ball sleeve; the secondary handle is fixedly mounted on the end of the support plate; the delay switch is fixedly mounted on the secondary handle; the delay switch is electrically connected to the electromagnet.

[0010] Preferably, the lining plate in-place test piece includes: an in-place detection shaft and a fitting spring, wherein the in-place detection shaft is slidably mounted on the side of the support plate; the end of the in-place detection shaft is a slope structure; a fitting spring is sleeved on the support plate; the end of the fitting spring is connected to the in-place detection shaft; the other end of the fitting spring is fixedly mounted on the inner side of the support plate.

[0011] Preferably, the lining plate in-place test piece also includes: a power-connecting spring clip and a power-connecting post, wherein the power-connecting spring clip is fixedly mounted on the in-place detection shaft; the power-connecting post is fixedly mounted on the inner side of the support plate; the power-connecting spring clip is aligned with the power-connecting post; the power-connecting spring clip, the aligned power-connecting post, the power-on switch and the welding switch on the double-protection welding gun head are connected in series with a power supply.

[0012] Preferably, the welding wire anti-twist component includes: a power connection ring, a welding gun cable, a rear gun shell and a protective cover, the power connection ring is fixedly installed on the tail of the double-protection welding gun head; the welding gun cable is fixedly installed on the double-protection welding gun head; the tail of the welding gun cable is connected to the rear gun shell, and the rear gun shell is used for the butt welding machine; the outer side of the welding gun cable is sleeved with a protective cover, and the end of the protective cover is connected to the side of the rear gun shell.

[0013] Preferably, the welding wire anti-twist component also includes: a traction wire and a connecting ring, the traction wire is provided with a circle, and the end of the circle of traction wire is fixedly installed on the side of the rear gun housing; the other end of the circle of traction wire is fixedly installed with a connecting ring, and the connecting ring is sleeved on the welding gun cable; the side of the connecting ring is connected to the other end of the protective cover; the traction wire is located inside the protective cover.

[0014] Preferably, the welding wire anti-twist component also includes: a welding wire torsion tension spring and a prompt spring piece, the welding wire torsion tension spring is sleeved on the welding gun cable; the end of the welding wire torsion tension spring is connected to the power connection ring; the other end of the welding wire torsion tension spring is fixedly installed on the connecting ring; two prompt spring pieces are fixedly installed on the connecting ring, and the two prompt spring pieces are respectively V-shaped structures; the end of the prompt spring piece elastically fits the power connection ring; the prompt spring piece, the power connection ring and the prompt light are connected in series with a power supply.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The upper edge detection piece adopted by the present invention can be used to ensure that the welding personnel first weld the lower edge groove of the steel beam when performing the welding work, which can improve the welding quality of the structure and avoid welding hazards caused by preferentially welding the upper edge of the steel beam. As a standard welding operation in the steel structure industry, the practice of welding the lower edge first and then the upper edge can avoid deformation and stress concentration problems caused by welding; the delay switch can be used to ensure that after the welding of the lower edge of the steel beam is completed, the welding work of the upper edge can be carried out smoothly, thereby ensuring the continuity of the welding work and making the two-handed holding more stable. At the same time, the two-handed holding welding operation can further prevent the staff from violating the regulations and directly pressing down the detection tube to connect the power. Because the positioning of the positioning thorn block is required to ensure the stability of welding, the staff's two-handed operation is restricted to ensure the priority of welding the lower edge.

[0016] The use of lining in place test pieces can ensure that the workers have installed the lining before welding work, avoiding direct welding without lining or improper installation of the lining, which affects the welding quality. Welding work can only be carried out after the lining is tested in place, preventing illegal operations and improving the construction quality of steel structure buildings.

[0017] The use of welding wire anti-twist parts can improve the quality of welding gun cable status detection which is easily overlooked during the actual use of the welding gun, and avoid the problem of bending or excessive twisting of the welding gun cable. The detection method is simple and reliable, and does not affect the normal bending flexibility of the welding gun cable. At the same time, it can directly provide prompts, improve the safety of welding wire and line, and reduce the welding wire blockage rate, because the welding wire needs to be smoothly delivered to the welding site through the wire feeding mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a large-scale steel structure node automatic welding equipment of the present invention; Figure 2 It is a schematic diagram of the rear structure of a large steel structure node automatic welding equipment of the present invention; Figure 3 This is a cross-sectional view of the internal structure of a large-scale steel structure node automatic welding device of the present invention; Figure 4 It is a schematic diagram of the structure of the automatic welding gun of the present invention; Figure 5 This is a schematic diagram of the structure of the rotary fine-tuning member of the present invention; Figure 6 For the present invention Figure 3 A magnified view of the structure of the middle B area; Figure 7 For the present invention Figure 1 A magnified view of the structure of the middle C region; Figure 8 For the present invention Figure 3 A magnified view of the structure of the middle D region; Fig. 9 This is a schematic diagram of the structure of the welding wire anti-twist component of the present invention; Fig.10 For the present invention Figure 3 A magnified view of the structure of the middle F region; Fig.11 It is a schematic diagram of the node composition and welding position of the steel structure to be welded according to the present invention.

[0019] In the figure: 1. Automatic welding gun parts; 101. Two-protection welding gun head; 1011. Warning light; 102. Nozzle; 1021. Nozzle ball head; 2. Rotary fine adjustment part; 201. Adjustment ball sleeve; 202. Positioning bolt; 203. Detection mounting arm; 204. Reset spring; 205. Power switch; 3. Upper edge detection part; 301. Detection cylinder; 302. Switch spring; 303. Lower pressure plate; 304. Positioning thorn block; 305. Electromagnet; 4. Position Position test piece; 401, support plate; 402, auxiliary grip; 403, delay switch; 5, liner in place test piece; 501, in place detection axis; 502, fitting spring; 503, power connection spring; 504, power connection column; 6, welding wire anti-twist part; 601, power connection ring; 602, welding gun cable; 603, rear gun shell; 604, protective cover; 605, traction wire; 606, connecting ring; 607, welding wire torsion tension spring; 608, prompt spring. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1: Please refer to Figures 1 to 10 As shown: The present invention provides a technical solution: a large-scale steel structure node automatic welding equipment, comprising an automatic welding gun component 1, a rotary fine-tuning component 2 is installed on the automatic welding gun component 1, an upper edge detection component 3 is installed on the rotary fine-tuning component 2; the upper edge detection component 3 is used to detect the upper edge of a steel beam; the rotary fine-tuning component 2 is used to adjust the angle of the upper edge detection component 3; a position test component 4 is installed on the rotary fine-tuning component 2; the position test component 4 is used to detect a welding position; a lining plate in place test component 5 is installed on the position test component 4; the lining plate in place test component 5 is used to detect the upper edge lining of a steel beam; a welding wire anti-twist component 6 is installed on the automatic welding gun component 1; the welding wire anti-twist component 6 is used to reduce the resistance to welding wire feeding; the automatic welding gun component 1 comprises: a two-protection welding gun head 101 and a prompt light 1011, the two-protection welding gun head 101 is fixedly installed with the prompt light 1011; the end of the two-protection welding gun head 101 is a bending structure.

[0022] The automatic welding gun part 1 comprises: a nozzle 102 and a nozzle ball head 1021, the nozzle 102 is threadedly connected to the second welding gun head 101; a nozzle ball head 1021 is arranged on the outer side of the nozzle 102; the rotary fine-tuning part 2 comprises: an adjusting ball sleeve 201, a positioning bolt 202, a detection mounting arm 203, a reset spring 204 and a power switch 205, the adjusting ball sleeve 201 is sleeved on the nozzle ball head 1021; the adjusting ball sleeve 201 is threadedly connected with the positioning bolt 202; the end of the positioning bolt 202 is pressed and fitted on the outer side of the nozzle ball head 1021; the detection mounting arm 203 is fixedly mounted on the adjusting ball sleeve 201; the reset spring 204 is sleeved on the detection mounting arm 203; a row of thorn-shaped grooves are arranged on the upper part of the detection mounting arm 203; the end of the reset spring 204 is connected to the detection mounting arm 203; the top of the detection mounting arm 203 is fixedly mounted with a power switch 205; the upper edge detection The testing piece 3 includes: a testing cylinder 301, a switch spring 302, a lower pressure plate 303, a positioning thorn block 304 and an electromagnet 305. The testing cylinder 301 is slidably sleeved on the testing mounting arm 203; the bottom of the testing cylinder 301 is connected to the other end of the reset spring 204; the switch spring 302 is sleeved inside the testing cylinder 301; the lower pressure plate 303 is fixedly installed at the bottom end of the switch spring 302, and the lower pressure plate 303 is slidably installed inside the testing cylinder 301; a positioning thorn block 304 is slidably installed on the testing cylinder 301; a row of thorn teeth are provided on the side of the positioning thorn block 304; the positioning thorn block 304 is used to be inserted into a row of thorn grooves on the upper part of the testing mounting arm 203; the electromagnet 305 is fixedly installed on the testing cylinder 301; the electromagnet 305 magnetically attracts the positioning thorn block 304; a spring is provided between the positioning thorn block 304 and the electromagnet 305; the top of the testing cylinder 301 is a disc-shaped structure;The top of the detection tube 301 is used to fit the upper edge of the steel beam. The upper edge detection piece 3 can be used to ensure that the welder first welds the lower edge groove of the steel beam when performing welding work, which can improve the welding quality of this structure and avoid welding hazards caused by preferentially welding the upper edge of the steel beam. As a standard welding operation in the steel structure industry, the practice of welding the lower edge first and then the upper edge can avoid deformation and stress concentration problems caused by welding. Heat will be generated during the welding process, causing the steel to expand. If the upper edge is welded first, unnecessary deformation or stress may occur at the lower edge due to the thermal expansion of the steel, thereby affecting the stability and safety of the entire structure. Welding the lower edge first can allow the steel to have more space for natural thermal deformation when it expands due to heat, thereby reducing the impact on the upper edge welding. This structure utilizes the I-beam structure of the steel beam itself. The use of the upper edge detection piece 3 can ensure that the lower edge welding is performed first in actual welding work, otherwise normal power-on welding cannot be performed. At the same time, the upper edge detection piece 3 used in this structure can perform simple angle fine-tuning, which can be more suitable for actual welding adjustment needs. The structure is more reasonable. In actual welding operation, the distance between the end of the welding wire of the two-guard welding gun head 101 and the top of the detection tube 301 is smaller than the spacing between the upper and lower wing plates of the steel beam I-beam. When the welding wire of the two-guard welding gun head 101 is first aligned with the lower edge of the I-beam, it will penetrate into the inner side of the I-beam together with the rotating fine-tuning part 2 and the upper edge detection part 3. At this time, the top of the detection tube 301 will press against the lower side of the wing plate located above, compressing the reset spring 204. When the detection tube 301 is pressed down, it will drive the lower pressure plate 303 to squeeze the power switch 205. At this time, the switch The spring 302 will be compressed. When the power switch 205 is compressed, the staff can hold and press the welding switch on the two-protection welding gun head 101 to perform welding work normally, ensuring that the lower edge is welded first. At the same time, when the detection installation arm 203 needs to be fine-tuned, the positioning bolt 202 can be rotated and loosened, and the ball sleeve 201 can be rotated to adjust the angle. The two-protection welding gun head 101 is used to automatically output welding wire for welding. The technology is mature and reliable. At the same time, the automatic welding wire output method can reduce the inconvenience of traditional manual replacement of welding rods and improve the efficiency of automatic welding. ;

[0023] Among them, the position test piece 4 includes: a support plate 401, an auxiliary handle 402 and a delay switch 403, the support plate 401 is fixedly installed on the side of the adjusting ball sleeve 201; the auxiliary handle 402 is fixedly installed on the end of the support plate 401; the delay switch 403 is fixedly installed on the auxiliary handle 402; the delay switch 403 is electrically connected to the electromagnet 305; the position test piece 4 adopts the auxiliary handle 402 to improve the stability of the structure during welding, and the delay switch 403 can ensure that the welding of the upper edge can be carried out smoothly after the welding of the lower edge of the steel beam is completed, ensuring the continuity of the welding work. The structure is simple to operate, and the two-handed holding is more stable. At the same time, the two-handed holding welding operation is also a further prevention of illegal operation by the staff. Then press down the detection tube 301 to connect the power. Because directly pressing down the detection tube 301 cannot complete stable welding work, it is necessary to cooperate with the limit of the positioning spike block 304 to ensure that the power switch 205 is stable when pressed and powered on. The staff's two-handed operation is restricted to ensure that the lower edge is welded first. When the staff welds the lower edge, they hold the auxiliary handle 402 and press the delay switch 403. At this time, the electromagnet 305 is powered off, and the positioning spike block 304 loses its magnetic attraction. Under the squeezing of the switch spring 302, the detection installation arm 203 can be inserted for positioning. At this time, the staff keeps holding the auxiliary handle 402, and the detection tube 301 will also drive the lower pressure plate 303 to keep squeezing the power switch 205, and the staff can smoothly carry out the welding work on the upper edge of the steel beam.

[0024] Among them, the lining plate in-place test piece 5 includes: an in-place detection shaft 501 and a fitting spring 502, the in-place detection shaft 501 is slidably installed on the side of the support plate 401; the end of the in-place detection shaft 501 is a slope structure; a fitting spring 502 is sleeved on the support plate 401; the end of the fitting spring 502 is connected to the in-place detection shaft 501; the other end of the fitting spring 502 is fixedly installed on the inner side of the support plate 401; the lining plate in-place test piece 5 also includes: an electric spring 503 and an electric pole 504, the electric spring 503 is fixedly installed on the in-place detection shaft 501; the electric pole 504 is fixedly installed on the inner side of the support plate 401; the electric spring 503 is aligned with the electric pole 504; the electric spring 503, the alignment of the electric pole 504, the power switch 205 and the second protection welding gun head The welding switch on 101 is connected in series with the power supply. The lining in place test piece 5 can ensure that the staff has installed the lining before welding, avoiding direct welding without lining and affecting the welding quality. Welding can be carried out only after the lining is detected in place, preventing illegal operations and improving the construction quality of steel structure buildings. As a material for auxiliary steel structure welding, the lining plays a vital role in the welding process. The use of the lining can reduce the defect rate of the weld, thereby improving the overall quality of welding. This is because the lining can fit closely with the parent material and provide a stable support for the weld, making the welding process smoother and reducing the possibility of defects such as cracks and slag inclusions in the weld. Before the staff carries out welding work, the lining is spot welded in batches at the nodes.

[0025] Embodiment 2, on the basis of embodiment 1, the welding wire anti-twist component 6 comprises: a power ring 601, a welding gun cable 602, a rear gun shell 603 and a protective cover 604, the power ring 601 is fixedly installed at the tail of the two-protection welding gun head 101; the welding gun cable 602 is fixedly installed on the two-protection welding gun head 101; the tail of the welding gun cable 602 is connected to the rear gun shell 603, and the rear gun shell 603 is used for the butt welding machine; the outer side of the welding gun cable 602 is sleeved with a protective cover 604, and the end of the protective cover 604 is connected to the side of the rear gun shell 603; the welding wire anti-twist component 6 also comprises: a traction wire 605 and a connecting ring 606, the traction wire 605 is provided with a circle, and the end of the traction wire 605 is fixedly installed on the side of the rear gun shell 603; a circle of traction wire A connecting ring 606 is fixedly installed at the other end of 605, and the connecting ring 606 is sleeved on the welding gun cable 602; the connecting ring 606 is connected to the other end of the protective sleeve 604 on the side; the traction wire 605 is located inside the protective sleeve 604; the welding wire anti-twist part 6 also includes: a welding wire torsion tension spring 607 and a prompt spring 608, and the welding wire torsion tension spring 607 is sleeved on the welding gun cable 602; the end of the welding wire torsion tension spring 607 is connected to the power connection ring 601; the other end of the welding wire torsion tension spring 607 is fixedly installed on the connecting ring 606; two prompt springs 608 are fixedly installed on the connecting ring 606, and the two prompt springs 608 are respectively V-shaped structures; the end of the prompt spring 608 elastically fits the power connection ring 601;The prompt spring piece 608, the power connection ring 601 and the prompt light 1011 are connected in series with the power supply. The use of the welding wire anti-twist part 6 can improve the quality of the state detection of the welding gun cable 602 which is easily overlooked during the actual use of the welding gun, and avoid the problem of bending or excessive twisting of the welding gun cable 602. The detection method is simple and reliable, and does not affect the normal bending flexibility of the welding gun cable 602. At the same time, prompts can be given directly, which improves the safety of the welding wire and the line and reduces the blockage rate of the welding wire. The welding wire needs to be smoothly delivered to the welding part through the wire feeding mechanism. If the wire feeding hose in the welding gun cable 602 is twisted or stretched, it will cause the wire feeding resistance of the components inside the wire feeding mechanism, such as the wire feeding wheel, to increase, or even deform. The deformation of the welding wire will easily increase the friction resistance when it moves from the conductive nozzle and other positions. The increase in this resistance will cause the welding wire to get stuck during the wire feeding process, and it may even be unable to smoothly Through the wire feeding mechanism, the welding wire is eventually blocked. After the rear gun housing 603 is connected to the welding machine, if the welding gun cable 602 is excessively bent when the welder uses it, the traction wire 605 is located outside the welding gun cable 602. The traction wire 605 located in the outer bending circle has a larger bending diameter, which will pull the connecting ring 606 accordingly, driving the prompt spring 608 to separate from the power connection ring 601. At this time, the prompt light 1011 can be turned off to prompt. Similarly, if the welding gun cable 602 is radially rotated and twisted, the welding wire torsion spring 607 will elastically pull the connecting ring 606. At this time, the traction wire 605 is twisted by the welding gun cable 602 to form a spiral state, and bending occurs. The minimum distance between the two ends of the traction wire 605 is reduced, and the connecting ring 606 will also be pulled to move. The prompt light 1011 can be turned off to prompt. At this time, the staff needs to make timely adjustments. ;

[0026] The working principle of this embodiment: the staff holds the double-protection welding gun head 101, and needs to align the welding wire of the double-protection welding gun head 101 with the lower edge of the I-beam first. Due to the structural form of the I-beam, when welding the lower edge, it is necessary to weld the lower wing plate and beam columns and other nodes on both sides of the web of the I-beam respectively. When the welding wire of the double-protection welding gun head 101 is aligned with the lower edge of the I-beam first, it will penetrate into the inner side of the I-beam together with the rotating fine-tuning part 2 and the upper edge detection part 3. At this time, the top of the detection cylinder 301 will press against the lower side of the wing plate located above, compressing the reset spring 204. When the detection cylinder 301 is pressed down, it will drive the lower pressure plate 303 to squeeze the power-on switch 205. At this time, the switch spring 302 will be compressed. When the power-on switch 205 is During compression, the staff can normally hold and press the welding switch on the second-protection welding gun head 101 to carry out welding work, ensuring that the lower edge is welded first. At the same time, when fine-tuning the detection installation arm 203 is needed, the positioning bolt 202 can be rotated to loosen the positioning bolt 202, and the adjusting ball sleeve 201 can be rotated to adjust the angle; when the staff welds the lower edge, the staff holds the auxiliary grip 402 and presses the delay switch 403. At this time, the electromagnet 305 is powered off, and the positioning thorn block 304 loses its magnetic attraction. Under the squeeze of the switch spring 302, the detection installation arm 203 can be inserted for positioning. At this time, the staff keeps holding the auxiliary grip 402, and the detection cylinder 301 will also drive the lower pressure plate 303 to keep squeezing the power-on switch 205, so that the staff can smoothly carry out the upper edge of the steel beam. When the welding head 101 is in place, the welding wire 605 is in a state of being electrically connected to the welding gun head 101, and ... On the outside of 602, the traction wire 605 located in the curved outer circle has a larger bending diameter, which will correspondingly pull the connecting ring 606, driving the prompt spring 608 to separate from the power connection ring 601. At this time, the prompt light 1011 can be turned off for prompting. Similarly, if the welding gun cable 602 is radially rotated and twisted, the welding wire torsion spring 607 will elastically pull the connecting ring 606. At this time, the traction wire 605 is twisted by the welding gun cable 602 to form a spiral state and bend. The minimum distance between the two ends of the traction wire 605 is reduced, and the connecting ring 606 will be pulled to move, driving the prompt spring 608 to separate from the power connection ring 601. At this time, the prompt light 1011 can be turned off for prompting. At this time, the staff needs to make timely adjustments, which is also called breaking force.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic welding device for a large steel structure node, comprising an automatic welding gun component (1), wherein a rotating fine-tuning component (2) is installed on the automatic welding gun component (1), characterized in that: An upper edge detection member (3) is mounted on the rotating fine-tuning member (2); the upper edge detection member (3) is used to detect the upper edge of the steel beam; the rotating fine-tuning member (2) is used to adjust the angle of the upper edge detection member (3); A position testing piece (4) is mounted on the rotary fine-tuning piece (2); the position testing piece (4) is used to detect the welding position; The position test piece (4) is provided with a lining plate in place test piece (5); the lining plate in place test piece (5) is used to detect the lining plate at the upper edge of the steel beam; the automatic welding gun part (1) is provided with a welding wire anti-twist piece (6); the welding wire anti-twist piece (6) is used to reduce the resistance of welding wire conveying; The rotary fine-tuning member (2) comprises: an adjusting ball sleeve (201), a positioning bolt (202), a detection mounting arm (203), a reset spring (204) and a power switch (205); the upper edge detection member (3) comprises: a detection cylinder (301), a switch spring (302), a lower pressure plate (303), a positioning thorn block (304) and an electromagnet (305); the detection cylinder (301) is slidably sleeved on the detection mounting arm (203); the bottom of the detection cylinder (301) is connected to the other end of the reset spring (204); the switch spring (302) is sleeved inside the detection cylinder (301); the lower pressure plate (304) is fixedly mounted on the bottom end of the switch spring (302). 3), and the lower pressure plate (303) is slidably mounted inside the detection cylinder (301); a positioning thorn block (304) is slidably mounted on the detection cylinder (301); a row of thorn teeth are arranged on the side of the positioning thorn block (304); the positioning thorn block (304) is used to be plugged into a row of thorn grooves on the upper part of the detection installation arm (203); an electromagnet (305) is fixedly mounted on the detection cylinder (301); the electromagnet (305) magnetically attracts the positioning thorn block (304); a spring is arranged between the positioning thorn block (304) and the electromagnet (305); the top of the detection cylinder (301) is a disc-shaped structure; the top of the detection cylinder (301) is used to fit the upper edge of the steel beam.

2. The large-scale steel structure node automatic welding equipment according to claim 1 is characterized in that: The automatic welding gun component (1) comprises: a two-way welding gun head (101), a warning light (1011), a nozzle (102) and a nozzle ball head (1021); the two-way welding gun head (101) is fixedly mounted with the warning light (1011); the end of the two-way welding gun head (101) is a bent structure; the nozzle (102) is threadedly connected to the two-way welding gun head (101); and the nozzle ball head (1021) is arranged on the outside of the nozzle (102).

3. The large-scale steel structure node automatic welding equipment according to claim 2 is characterized in that: The adjusting ball sleeve (201) is sleeved on the nozzle ball head (1021); a positioning bolt (202) is threadedly connected to the adjusting ball sleeve (201); an end of the positioning bolt (202) is pressed and fitted on the outside of the nozzle ball head (1021); the detection mounting arm (203) is fixedly mounted on the adjusting ball sleeve (201); a return spring (204) is sleeved on the detection mounting arm (203); a row of thorn-shaped grooves is provided on the upper part of the detection mounting arm (203); an end of the return spring (204) is connected to the detection mounting arm (203); and a power switch (205) is fixedly mounted on the top of the detection mounting arm (203).

4. The large-scale steel structure node automatic welding equipment according to claim 3 is characterized in that: The position testing piece (4) comprises: a support plate (401), a secondary handle (402) and a time delay switch (403); the support plate (401) is fixedly mounted on the side of the adjusting ball sleeve (201); the secondary handle (402) is fixedly mounted on the end of the support plate (401); the time delay switch (403) is fixedly mounted on the secondary handle (402); and the time delay switch (403) is electrically connected to the electromagnet (305).

5. The large-scale steel structure node automatic welding equipment according to claim 4 is characterized in that: The lining plate in-place test piece (5) comprises: an in-place detection shaft (501) and a fitting spring (502); the in-place detection shaft (501) is slidably mounted on the side of the support plate (401); the end of the in-place detection shaft (501) is an inclined surface structure; the fitting spring (502) is sleeved on the support plate (401); the end of the fitting spring (502) is connected to the in-place detection shaft (501); and the other end of the fitting spring (502) is fixedly mounted on the inner side of the support plate (401).

6. The large-scale steel structure node automatic welding equipment according to claim 5 is characterized by: The lining plate in-place test piece (5) further comprises: an electric connection spring (503) and an electric connection post (504); the electric connection spring (503) is fixedly mounted on the in-place detection shaft (501); the electric connection post (504) is fixedly mounted on the inner side of the support plate (401); the electric connection spring (503) is aligned with the electric connection post (504); the electric connection spring (503), the aligned electric connection post (504), the power switch (205) and the welding switch on the second protection welding gun head (101) are connected in series with a power supply.

7. The large-scale steel structure node automatic welding equipment according to claim 2 is characterized by: The welding wire anti-twist component (6) comprises: a power connection ring (601), a welding gun cable (602), a rear gun shell (603) and a protective sleeve (604); the power connection ring (601) is fixedly mounted on the rear end of the two-protection welding gun head (101); the welding gun cable (602) is fixedly mounted on the two-protection welding gun head (101); the rear end of the welding gun cable (602) is connected to the rear gun shell (603), and the rear gun shell (603) is used for butt welding; the outer side of the welding gun cable (602) is sleeved with a protective sleeve (604), and the end of the protective sleeve (604) is connected to the side of the rear gun shell (603).

8. The large-scale steel structure node automatic welding equipment according to claim 7 is characterized by: The welding wire anti-twist component (6) further comprises: a traction wire (605) and a connecting ferrule (606); the traction wire (605) is provided with a loop, and the end of the loop traction wire (605) is fixedly mounted on the side of the rear gun housing (603); the other end of the loop traction wire (605) is fixedly mounted with a connecting ferrule (606), and the connecting ferrule (606) is sleeved on the welding gun cable (602); the side of the connecting ferrule (606) is connected to the other end of the protective sleeve (604); the traction wire (605) is located inside the protective sleeve (604).

9. The large-scale steel structure node automatic welding equipment according to claim 8 is characterized by: The welding wire anti-twist component (6) further comprises: a welding wire torsion tension spring (607) and a prompt spring (608), wherein the welding wire torsion tension spring (607) is sleeved on the welding gun cable (602); an end of the welding wire torsion tension spring (607) is connected to the power connection ring (601); the other end of the welding wire torsion tension spring (607) is fixedly mounted on the connecting ring (606); two prompt springs (608) are fixedly mounted on the connecting ring (606), and the two prompt springs (608) are respectively of V-shaped structure; an end of the prompt spring (608) elastically fits the power connection ring (601); and the prompt spring (608), the power connection ring (601) and the prompt light (1011) are connected in series to a power supply.

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