Steel structure field welding equipment

Abstract

The present application relates to welding equipment technical field, specifically to a kind of steel structure field welding equipment, for the welding of steel structure workpiece is positioned, including magnetic force positioning assembly and force storage component;The magnetic force positioning assembly includes first magnetic force plate and second magnetic force plate, the first magnetic force plate is hinged between second magnetic force plate by first pivot, the angle between first magnetic force plate and second magnetic force plate is adjustable;The first magnetic force plate is provided with first rotating roller at one end away from first pivot, and the second magnetic force plate is provided with second rotating roller at one end away from first pivot, and the outside of first pivot, first rotating roller and second rotating roller is collectively provided with transmission belt;The force storage component includes coil spring and rotating cylinder, and the coil spring is located in the inside of rotating cylinder, and the innermost end of coil spring is drivingly connected with second rotating roller, and the outermost end of coil spring is connected with the inner wall of rotating cylinder;Transmission belt can rotate to facilitate the cleaning of iron filings, to avoid the influence of iron filings on subsequent positioning accuracy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding equipment, in particular to a steel structure field welding equipment. BACKGROUND

[0002] When welding steel structure workpieces, a magnetic positioning device is usually used to accurately position the welding angle of the workpieces.

[0003] As disclosed in the patent document with the announcement number CN223057067U, a hand-held profile welding positioner is composed of an L-shaped frame and two magnet groups respectively embedded in the two straight angle sides of the L-shaped frame. The magnet groups can respectively magnetically attract a workpiece, thereby realizing the positioning of the angle between two workpieces. However, this magnetic positioning device will attract iron filings on the workpiece during use, and the iron filings are not easy to clean due to magnetic attraction, thereby affecting the subsequent positioning accuracy. SUMMARY

[0004] Therefore, it is necessary to provide a steel structure field welding equipment to solve the technical problem that the iron filings of the current magnetic positioning device are not easy to clean and affect the positioning.

[0005] The above-mentioned purpose is achieved by the following technical scheme:

[0006] A steel structure field welding equipment is used to position the welding of steel structure workpieces, comprising a magnetic positioning assembly and a force storage assembly; the magnetic positioning assembly comprises a first magnetic plate and a second magnetic plate, the first magnetic plate and the second magnetic plate can be respectively attracted to two steel structure workpieces, thereby forming a welding angle between the two steel structure workpieces; the first magnetic plate and the second magnetic plate are hinged through a first rotating shaft, and the angle between the first magnetic plate and the second magnetic plate is adjustable; a first rotating roller is arranged at one end of the first magnetic plate away from the first rotating shaft, and a second rotating roller is arranged at one end of the second magnetic plate away from the first rotating shaft, the first rotating shaft, the first rotating roller and the second rotating roller are arranged in parallel and are externally jointly sleeved with a transmission belt; the force storage assembly comprises a coil spring and a rotating cylinder, the rotating cylinder is rotationally arranged on the second magnetic plate and is coaxial with the second rotating roller, the coil spring is located in the interior of the rotating cylinder, the innermost end of the coil spring is in transmission connection with the second rotating roller, and the outermost end of the coil spring is connected with the inner wall of the rotating cylinder; when the second magnetic plate is pushed to slide on the steel structure workpiece towards the direction close to the welding angle, the transmission belt can positively rotate around the exterior of the first rotating shaft, the first rotating roller and the second rotating roller, and synchronously rotate the first rotating roller and the second rotating roller, thereby the second rotating roller can drive the coil spring to store force; when the coil spring releases the elastic force, the coil spring can drive the transmission belt to negatively rotate around the exterior of the first rotating shaft, the first rotating roller and the second rotating roller, thereby driving the first magnetic plate and the second magnetic plate to slide towards the direction away from the welding angle.

[0007] Further, the adjusting assembly is capable of adjusting the maximum force storage degree of the coil spring, the adjusting assembly comprises a track plate and a sliding frame, the track plate is fixedly arranged on the second magnetic plate, and the length direction of the track plate extends along the radial direction of the rotating drum; the sliding frame is capable of sliding along the length direction of the track plate so as to contact the rotating drum; the contact pressure between the sliding frame and the rotating drum is proportional to the maximum force storage degree of the coil spring.

[0008] Further, the sliding frame comprises an abutting plate, a sliding plate and a compression spring, the abutting plate is arranged in contact with the rotating drum, the side surface of the abutting plate is provided with a rack, the outer periphery of the rotating drum is provided with an outer gear ring, the rack is engaged with the outer gear ring, the side surface of the abutting plate away from the rotating drum is provided with a sliding rod, and the length direction of the sliding rod is consistent with the length direction of the track plate; the sliding plate is slidably sleeved on the sliding rod, the compression spring is sleeved on the sliding rod, and the compression spring is located between the sliding plate and the abutting plate; by changing the position of the sliding plate on the sliding rod, the compression degree of the compression spring can be changed, and then the contact pressure between the sliding frame and the rotating drum can be changed.

[0009] Further, a plurality of clamping grooves are arranged in the length direction of the track plate, a clamping plate is fixedly arranged on the sliding plate, and the clamping plate is provided with a clamping column; when the clamping column is clamped into the clamping groove, the distance between the sliding plate and the abutting plate remains unchanged, and then the compression degree of the compression spring remains unchanged.

[0010] Further, a sliding groove is further arranged on the track plate, the extension direction of the sliding groove is consistent with the length direction of the track plate, and a sliding block is arranged on the sliding plate; the sliding block is capable of sliding along the sliding groove.

[0011] Further, the transmission belt is an elastic belt.

[0012] Further, a limiting groove is arranged on the second magnetic plate, a limiting rod is arranged in the limiting groove, and the limiting rod can make the included angle between the first magnetic plate and the second magnetic plate be 90°.

[0013] Further, an inclined groove is further arranged on the second magnetic plate; when the first magnetic plate rotates to the position of abutting the inclined groove, the included angle between the first magnetic plate and the second magnetic plate is 30°.

[0014] Further, a positioning hole is arranged on the first magnetic plate; when the positioning hole corresponds to the limiting groove, the included angle between the first magnetic plate and the second magnetic plate is 45°.

[0015] Further, the interiors of the first magnetic plate and the second magnetic plate are both provided with a magnet block, the first magnetic plate and the second magnetic plate are both provided with a protective layer, and the magnet block is located in the interior of the protective layer.

[0016] The beneficial effects of the present application are as follows:

[0017] The steel structure field welding equipment provided by the application, first, most of the iron filings on the steel structure workpiece will adhere to the transmission belt, after positioning is completed, the iron filings are moved to a position away from the first magnetic plate and the second magnetic plate by manually rotating the transmission belt, the iron filings can be conveniently cleaned, thereby avoiding the influence of the iron filings on the subsequent positioning accuracy. At the same time, the rotation of the transmission belt can avoid friction between the second magnetic plate and the steel structure workpiece during positioning, thereby prolonging the service life of the steel structure field welding equipment.

[0018] Second, during positioning, the second magnetic plate slides towards the direction close to the welding angle, the transmission belt is positively rotated to wind the spring and store energy, then the first magnetic plate is adsorbed on one steel structure workpiece, the second magnetic plate is adsorbed on another steel structure workpiece, the welding angle positioning of the two steel structure workpieces is realized, after welding is completed, the first magnetic plate is separated from the corresponding steel structure workpiece by pulling the second magnetic plate, the spring can automatically release the elastic force to drive the first magnetic plate and the second magnetic plate to slide away from the welding angle, thereby accelerating the disassembly speed of the steel structure field welding equipment.

[0019] Third, the adjustment assembly can adjust the maximum energy storage degree of the spring by changing the contact pressure between the sliding frame and the rotating drum, thereby avoiding the movement of the corresponding steel structure workpiece of the second magnetic plate.

[0020] Fourth, the transmission belt is set as an elastic belt, which can also be used for end welding of tubular workpieces, and has certain universality. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A perspective structural schematic view of the steel structure field welding equipment provided by an embodiment of the application is shown in the figure;

[0022] Figure 2 A side view structural schematic view of the steel structure field welding equipment provided by an embodiment of the application is shown in the figure Figure 1 ;

[0023] Figure 3 A side view structural schematic view of the steel structure field welding equipment provided by an embodiment of the application is shown in the figure Figure 2 ;

[0024] Figure 4 A Figure 3 cutaway view of A-A in the figure;

[0025] Figure 5 A Figure 3 cutaway view of B-B in the figure;

[0026] Figure 6 A Figure 5 enlarged view of the structure at C in the figure;

[0027] Figure 7This is an exploded view of a steel structure on-site welding equipment provided in an embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram showing the first magnetic plate and the second magnetic plate at a 45° angle in a steel structure field welding equipment provided in an embodiment of the present invention.

[0029] Figure 9 A schematic diagram illustrating the usage status of a steel structure field welding equipment provided in another embodiment of the present invention;

[0030] Figure 10 for Figure 9 A side view diagram.

[0031] in:

[0032] 101. First magnetic plate; 102. Second magnetic plate; 103. Slide rod; 104. Limiting rod; 105. Track plate; 1051. Slot; 106. Sliding plate; 1061. Locking post; 107. Abutment plate; 108. Compression spring; 109. External gear ring; 110. Rotary drum; 111. Magnet block; 112. First rotating shaft; 113. Transmission belt; 114. Coil spring; 115. Protective layer; 116. First rotating roller; 117. Second rotating roller; 1171. Transmission shaft; 118. Inclined groove; 119. Positioning hole; 120. Second rivet hole; 121. First rivet hole; 122. Nut; 200. Tubular workpiece. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0034] The component designations used in this document, such as "first" and "second," are merely for distinguishing the described objects and do not have any sequential or technical meaning. The terms "connection" and "linkage" used in this invention, unless otherwise specified, include both direct and indirect connections (linkages). It should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are used only for the convenience of describing the invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.

[0035] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0036] like Figures 1 to 8 As shown in the figure, an embodiment of the present invention provides a steel structure field welding equipment for welding steel structure workpieces (not shown in the figure), including a magnetic positioning component and a power storage component.

[0037] The magnetic positioning assembly includes a first magnetic plate 101 and a second magnetic plate 102. The first magnetic plate 101 and the second magnetic plate 102 can be adsorbed onto two steel structure workpieces respectively, thereby forming a welding angle between the two steel structure workpieces. The first magnetic plate 101 and the second magnetic plate 102 are hinged together by a first rotating shaft 112, and the angle between the first magnetic plate 101 and the second magnetic plate 102 is adjustable. A first rotating roller 116 is provided at the end of the first magnetic plate 101 away from the first rotating shaft 112, and a second rotating roller 117 is provided at the end of the second magnetic plate 102 away from the first rotating shaft 112. The first rotating shaft 112, the first rotating roller 116 and the second rotating roller 117 are arranged in parallel and are all externally fitted with a transmission belt 113.

[0038] In this embodiment, the transmission belt 113 is a wear-resistant belt and does not have elastic deformation force. The steel structure workpiece is a steel plate.

[0039] The energy storage assembly includes a coil spring 114 and a rotating drum 110. The rotating drum 110 is rotatably mounted on the second magnetic plate 102 and is coaxial with the second rotating roller 117. The coil spring 114 is located inside the rotating drum 110. The innermost end of the coil spring 114 is connected to the second rotating roller 117, and the outermost end of the coil spring 114 is connected to the inner wall of the rotating drum 110. When the second magnetic plate 102 is pushed to slide on the steel structure workpiece towards the welding angle, the transmission belt 113 comes into frictional contact with the surface of the workpiece. This causes the transmission belt 113 to rotate in the forward direction around the outside of the first rotating shaft 112, the first rotating roller 116, and the second rotating roller 117, and to rotate the first rotating roller 116 and the second rotating roller 117 synchronously. Consequently, the second rotating roller 117 drives the coil spring 114 to store energy. When the coil spring 114 releases its force, it drives the transmission belt 113 to rotate in the opposite direction around the outside of the first rotating shaft 112, the first rotating roller 116, and the second rotating roller 117, thereby causing the first magnetic plate 101 and the second magnetic plate 102 to slide away from the welding angle. The end of the second rotating roller 117 is provided with a transmission shaft 1171, which is connected to the innermost end of the coil spring 114.

[0040] In this way, during use, most of the iron filings on the steel structure workpiece will adhere to the transmission belt 113. After positioning, the iron filings can be moved away from the first magnetic plate 101 and the second magnetic plate 102 (i.e., the hypotenuse of the triangle) by manually rotating the transmission belt 113. This facilitates the cleaning of the iron filings and prevents them from affecting the subsequent positioning accuracy. At the same time, the rotation of the transmission belt 113 can prevent friction between the second magnetic plate 102 and the steel structure workpiece during the positioning process, extending the service life of the steel structure on-site welding equipment.

[0041] During the positioning process, the second magnetic plate 102 slides towards the welding angle, causing the transmission belt 113 to rotate in the forward direction, thereby storing force in the coil spring 114. Subsequently, the first magnetic plate 101 is attached to one steel structure workpiece, and the second magnetic plate 102 is attached to another steel structure workpiece, thus achieving the positioning of the welding angle of the two steel structure workpieces. After welding is completed, by pulling the second magnetic plate 102, the first magnetic plate 101 is detached from the corresponding steel structure workpiece, and the coil spring 114 can automatically release its elastic force, thereby driving the first magnetic plate 101 and the second magnetic plate 102 to slide away from the welding angle, thereby accelerating the disassembly speed of the on-site welding equipment for steel structures.

[0042] Furthermore, it also includes an adjustment component that can adjust the maximum storage capacity of the coil spring 114. The adjustment component includes a track plate 105 and a sliding frame. The track plate 105 is fixedly mounted on the second magnetic plate 102, and the length of the track plate 105 extends along the radial direction of the rotating cylinder 110. The sliding frame can slide along the length of the track plate 105 to contact the rotating cylinder 110. The contact pressure between the sliding frame and the rotating cylinder 110 is proportional to the maximum storage capacity of the coil spring 114.

[0043] The greater the contact pressure between the sliding frame and the rotating cylinder 110, the greater the resistance to the rotation of the rotating cylinder 110 relative to the sliding frame, and thus the greater the maximum force stored in the coil spring 114. Conversely, the smaller the contact pressure between the sliding frame and the rotating cylinder 110, the smaller the resistance to the rotation of the rotating cylinder 110 relative to the sliding frame, and thus the smaller the maximum force stored in the coil spring 114.

[0044] The greater the maximum stored force of the coil spring 114, the greater the elastic force released by the coil spring 114, and consequently, the greater the moving speed of the first magnetic plate 101 and the second magnetic plate 102 away from the welding angle. Since other steel structural workpieces may be located below the steel structural workpiece corresponding to the second magnetic plate 102, if the moving speed of the second magnetic plate 102 is too high, the steel structural workpiece corresponding to the second magnetic plate 102 may easily move due to the friction between the two steel structural workpieces, resulting in wear. To address this, the maximum stored force of the coil spring 114 is adjusted. For example, when the weight of the steel structural workpiece is small, the maximum stored force of the coil spring 114 is reduced; when the weight of the steel structural workpiece is large, the maximum stored force of the coil spring 114 is increased. This ensures that the elastic force released by the coil spring 114 is never sufficient to overcome the friction between the two steel structural workpieces, thus preventing movement between the two steel structural workpieces and avoiding wear.

[0045] Furthermore, the sliding frame includes an abutment plate 107, a sliding plate 106, and a compression spring 108. The abutment plate 107 is in contact with the rotating cylinder 110. A rack is provided on the side of the abutment plate 107. An external gear ring 109 is provided on the outer circumferential surface of the rotating cylinder 110. The rack meshes with the external gear ring 109. A slide rod 103 is provided on the side of the abutment plate 107 away from the rotating cylinder 110. The length direction of the slide rod 103 is consistent with the length direction of the track plate 105. The sliding plate 106 is slidably sleeved on the slide rod 103. The compression spring 108 is sleeved on the slide rod 103. The compression spring 108 is located between the sliding plate 106 and the abutment plate 107. By changing the position of the sliding plate 106 on the slide rod 103, the compression degree of the compression spring 108 can be changed, thereby changing the contact pressure between the sliding frame and the rotating cylinder 110. The slide bar 103 has two parts, and each slide bar 103 is equipped with a compression spring 108.

[0046] The greater the compression of the spring 108, the greater the pressure of the spring 108 on the abutment plate 107, and consequently the greater the contact pressure between the abutment plate 107 and the rotating cylinder 110, resulting in a greater contact pressure between the sliding frame and the rotating cylinder 110. Conversely, the smaller the compression of the spring 108, the smaller the contact pressure between the sliding frame and the rotating cylinder 110.

[0047] Furthermore, the track plate 105 is provided with a plurality of slots 1051 along its length, and a snap-fit ​​plate is fixedly provided on the sliding plate 106. The snap-fit ​​plate has a snap-fit ​​post 1061. When the snap-fit ​​post 1061 is snapped into the slot 1051, the distance between the sliding plate 106 and the abutment plate 107 remains unchanged, and thus the compression degree of the compression spring 108 remains unchanged.

[0048] Specifically, the track plate 105 has two slots 1051, which are continuously arranged and arc-shaped. The sliding plate 106 has two symmetrically arranged snap-fit ​​plates, which are U-shaped and have two snap-fit ​​posts 1061. When the sliding plate 106 stops along the track plate 105, the four snap-fit ​​posts 1061 on the two U-shaped snap-fit ​​plates are respectively inserted into the four slots 1051. The snap-fit ​​posts 1061 and the slots 1051 are in frictional engagement, which prevents the sliding plate 106 from sliding in the opposite direction, and thus the compression degree of the compression spring 108 remains unchanged.

[0049] Furthermore, the track plate 105 is also provided with a sliding groove, the extension direction of which is consistent with the length direction of the track plate 105. The sliding plate 106 is provided with a slider, which can slide along the sliding groove. This enables the sliding frame to slide along the track plate 105. The sliding groove is located at the middle position of the track plate 105.

[0050] like Figure 8 As shown, a nut 122 is threaded onto the first rotating shaft 112. The nut 122 can press the first magnetic plate 101 and the second magnetic plate 102 together, thereby maintaining a set angle between the first magnetic plate 101 and the second magnetic plate 102. A square hole is provided at the end of the first rotating shaft 112 away from the nut 122. When adjusting the angle, a tool is inserted into the square hole to rotate the first rotating shaft 112 relative to the nut 122, causing the nut 122 to press the first magnetic plate 101 and the second magnetic plate 102 together, thus maintaining a set angle between the first magnetic plate 101 and the second magnetic plate 102. This angle adjustment method is used for angles other than 30°, 45°, and 90°.

[0051] like Figure 5 As shown, the second magnetic plate 102 is provided with a limiting groove, and a limiting rod 104 is provided in the limiting groove. The limiting rod 104 can make the included angle between the first magnetic plate 101 and the second magnetic plate 102 90°. This design is convenient to use and eliminates the need to measure the angle.

[0052] like Figure 7 As shown, the second magnetic plate 102 is also provided with a sloping groove 118. When the first magnetic plate 101 is rotated to the position of fitting the sloping groove 118, the included angle between the first magnetic plate 101 and the second magnetic plate 102 is 30°. At this time, the limiting rod 104 can be removed, and the first magnetic plate 101 can be rotated to the position of fitting the sloping groove 118.

[0053] like Figure 2 and Figure 8 As shown, the first magnetic plate 101 is provided with a positioning hole 119. When the positioning hole 119 corresponds to the limiting groove, the included angle between the first magnetic plate 101 and the second magnetic plate 102 is 45°. At this time, by simultaneously inserting the limiting rod 104 into the limiting groove and the positioning hole 119, the included angle between the first magnetic plate 101 and the second magnetic plate 102 can be fixed at 45°.

[0054] Furthermore, both the first magnetic plate 101 and the second magnetic plate 102 have magnet blocks 111 inside, and both the first magnetic plate 101 and the second magnetic plate 102 have protective layers 115, with the magnet blocks 111 located inside the protective layers 115. This prevents iron filings from entering the protective layers 115. The first rotating shaft 112 is located within the protective layer 115 of the first magnetic plate 101, preventing the first rotating shaft 112 from rotating synchronously with the transmission belt 113.

[0055] Specifically, the first magnetic plate 101 is provided with two first rivet holes 121, and the second magnetic plate 102 is provided with two second rivet holes 120. The first rivet holes 121 and the second rivet holes 120 are used to install rivets, and the rivets are used to fix the magnet block 111.

[0056] Based on the above embodiments, the usage principle and working process of the embodiments of the present invention are as follows:

[0057] The included angle between the first magnetic plate 101 and the second magnetic plate 102 is adjusted according to the welding angle. Then, the position of the sliding plate 106 on the track plate 105 is adjusted according to the weight of the steel structure workpiece. The greater the weight of the steel structure workpiece, the closer the sliding plate 106 is to the abutment plate 107.

[0058] Then, the positioning process begins, causing the second magnetic plate 102 to slide towards the welding corner. For example... Figure 2 As shown, assume the welding angle is a right angle and located to the left of the second magnetic plate 102. The second magnetic plate 102 slides to the left along the steel structure workpiece. This sliding motion of the second magnetic plate 102 will cause the transmission belt 113 to rotate counterclockwise around the first rotating shaft 112, the first rotating roller 116, and the second rotating roller 117. Figure 2(Looking at the paper from the center) The roller 110 rotates, causing the first roller 116 and the second roller 117 to rotate counterclockwise synchronously. The rotation of the second roller 117 causes the coil spring 114 to store and rewind. After the coil spring 114 reaches its maximum storage capacity, the second roller 117, through the coil spring 114, can drive the rotating drum 110 to rotate counterclockwise synchronously. At this time, the outer toothed ring 109 on the outside of the rotating drum 110 will slip against the rack on the abutment plate 107. Then, by continuing to slide the second magnetic plate 102 a small distance to the left, the first magnetic plate 101 can be brought into contact with another steel structure workpiece. At this time, the first magnetic plate 101 and the second magnetic plate 102 are respectively attracted to a steel structure workpiece, so that the required welding angle is formed between the two steel structure workpieces. Welding can then be performed.

[0059] After welding is completed, the second magnetic plate 102 is pulled to slide to the right, causing the first magnetic plate 101 to detach from the corresponding steel structure workpiece. Then, the coil spring 114 can automatically release its elastic force, thereby driving the transmission belt 113 to rotate clockwise around the outside of the first rotating shaft 112, the first rotating roller 116, and the second rotating roller 117. Figure 2 (Looking at the paper) rotate, thereby causing the entire steel structure on-site welding equipment to slide away from the welding angle, thus accelerating the disassembly speed of the steel structure on-site welding equipment.

[0060] When cleaning iron filings, the iron filings can be easily cleaned by manually rotating the transmission belt 113 to move them away from the first magnetic plate 101 and the second magnetic plate 102.

[0061] like Figure 9 and Figure 10 The image shows another embodiment of a steel structure on-site welding device provided by the present invention. The difference lies in that the transmission belt 113 is an elastic belt, which can deform under pressure. This structure can be used for end welding of tubular workpieces 200.

[0062] In use, the ends of two tubular workpieces 200 are joined together and placed on the transmission belt 113 between the first magnetic plate 101 and the second magnetic plate 102, causing the transmission belt 113 to deform under pressure and adhere tightly to the outer surface of the tubular workpieces 200. Due to the magnetism of the first magnetic plate 101 and the second magnetic plate 102, the ends of the two tubular workpieces 200 can be stably joined. Then, the second magnetic plate 102 is pushed to slide on a platform or the ground, causing the transmission belt 113 to rotate and drive the ends of the two tubular workpieces 200 to rotate synchronously, enabling the circumferential weld to rotate, thus facilitating the welding operation. Finally, the welded tubular workpieces 200 can be disassembled.

[0063] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0064] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A steel structure on-site welding equipment for positioning steel structure workpieces for welding, characterized in that, include: A magnetic positioning assembly, comprising a first magnetic plate and a second magnetic plate, wherein the first magnetic plate and the second magnetic plate can be respectively adsorbed onto two steel structure workpieces, thereby forming a welding angle between the two steel structure workpieces; The first magnetic plate and the second magnetic plate are hinged together by a first rotating shaft, and the angle between the first magnetic plate and the second magnetic plate is adjustable; the first magnetic plate is provided with a first rotating roller at the end away from the first rotating shaft, and the second magnetic plate is provided with a second rotating roller at the end away from the first rotating shaft; the first rotating shaft, the first rotating roller and the second rotating roller are arranged in parallel and are all covered with a transmission belt. The energy storage component includes a coil spring and a rotating drum. The rotating drum is rotatably mounted on a second magnetic plate and coaxial with a second rotating roller. The coil spring is located inside the rotating drum. The innermost end of the coil spring is connected to the second rotating roller, and the outermost end of the coil spring is connected to the inner wall of the rotating drum. When the second magnetic plate is pushed to slide on the steel structure workpiece toward the direction of the weld angle, the transmission belt can rotate in the positive direction around the outside of the first rotating shaft, the first rotating roller and the second rotating roller, and make the first rotating roller and the second rotating roller rotate synchronously. Then the second rotating roller can drive the coil spring to store force. When the coil spring releases its elastic force, the coil spring can drive the transmission belt to rotate in the opposite direction around the outside of the first rotating shaft, the first rotating roller and the second rotating roller, thereby driving the first magnetic plate and the second magnetic plate to slide away from the weld angle.

2. The steel structure on-site welding equipment according to claim 1, characterized in that, It also includes an adjustment component that can adjust the maximum storage capacity of the coil spring. The adjustment component includes a track plate and a sliding frame. The track plate is fixedly mounted on the second magnetic plate and its length extends along the radial direction of the rotating cylinder. The sliding frame can slide along the length of the track plate to contact the rotating cylinder. The contact pressure between the sliding frame and the rotating cylinder is proportional to the maximum storage capacity of the coil spring.

3. The steel structure on-site welding equipment according to claim 2, characterized in that, The sliding frame includes an abutment plate, a sliding plate, and a compression spring. The abutment plate is in contact with the rotating cylinder. A rack is provided on the side of the abutment plate, and an external gear ring is provided on the outer circumferential surface of the rotating cylinder. The rack meshes with the external gear ring. A slide rod is provided on the side of the abutment plate away from the rotating cylinder, and the length direction of the slide rod is consistent with the length direction of the track plate. The sliding plate is slidably sleeved on the slide rod, and the compression spring is sleeved on the slide rod. The compression spring is located between the sliding plate and the abutment plate. By changing the position of the sliding plate on the slide rod, the compression degree of the compression spring can be changed, thereby changing the contact pressure between the sliding frame and the rotating cylinder.

4. The steel structure on-site welding equipment according to claim 3, characterized in that, The track plate has multiple slots along its length, and a snap-fit ​​plate is fixedly mounted on the sliding plate. The snap-fit ​​plate has snap-fit ​​posts. When the snap-fit ​​posts are engaged in the slots, the distance between the sliding plate and the abutment plate remains unchanged, and thus the compression degree of the compression spring remains unchanged.

5. The steel structure on-site welding equipment according to claim 4, characterized in that, The track plate is also provided with a sliding groove, the extension direction of which is consistent with the length direction of the track plate. The sliding plate is provided with a slider, which can slide along the sliding groove.

6. The steel structure on-site welding equipment according to claim 1, characterized in that, The transmission belt is an elastic belt.

7. The steel structure on-site welding equipment according to claim 1, characterized in that, The second magnetic plate is provided with a limiting groove, and a limiting rod is provided in the limiting groove. The limiting rod can make the included angle between the first magnetic plate and the second magnetic plate 90°.

8. The steel structure on-site welding equipment according to claim 1, characterized in that, The second magnetic plate is also provided with an inclined groove. When the first magnetic plate rotates to the position of fitting the inclined groove, the included angle between the first magnetic plate and the second magnetic plate is 30°.

9. The steel structure on-site welding equipment according to claim 7, characterized in that, The first magnetic plate is provided with a positioning hole. When the positioning hole corresponds to the limiting groove, the included angle between the first magnetic plate and the second magnetic plate is 45°.

10. The steel structure on-site welding equipment according to claim 1, characterized in that, Both the first and second magnetic plates have magnet blocks inside, and both the first and second magnetic plates have protective layers, with the magnet blocks located inside the protective layers.

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