A welding support for steel structure net rack processing

Abstract

The application belongs to the field of building engineering, and discloses a welding support for steel structure net rack processing, which comprises an adjustable net rack welding assembly, structure net rack self-adjusting assemblies movably connected to the two sides of the front end of the adjustable net rack welding assembly, and structure net rack welding angle adjusting assemblies movably connected to the two sides of the lower end of the structure net rack self-adjusting assemblies. The cooperation among the adjustable net rack welding assembly, the structure net rack self-adjusting assemblies and the structure net rack welding angle adjusting assemblies can complete the adjustment of the size and the supporting position, and the welding support is applicable to the welding support work of steel structure net racks of different sizes, has good applicability, and can adjust the use angle of the welding support during use, so that the welding work of the steel structure net rack at different angles is facilitated, the welding efficiency is improved, and the false welding caused by the welding angle is avoided.

Description

Technical Field

[0001] This invention belongs to the field of construction engineering, specifically a welded support for processing steel structure space frames. Background Technology

[0002] Steel space frames are widely used in construction engineering and can be used to build various types of buildings, such as high-rise residential buildings, commercial buildings, and stadiums. They provide strong support structures to ensure the stability and safety of buildings. Auxiliary equipment is required during the processing of steel space frames, mainly for fixing and supporting welded parts in order to carry out precise welding operations.

[0003] For example, application number CN202322461465.4 discloses a welding support for processing steel structure space frames, including a base and columns. Columns are symmetrically arranged on the upper surfaces of both ends of the base. A central turntable is rotatably connected to the center of the base. A movable groove is provided inside the central turntable, and a bidirectional screw is provided inside the movable groove. Threaded sliders are threaded to both ends of the bidirectional screw. A motor is located below the movable groove, and a first gear is provided at the output end of the motor. The first gear meshes with a second gear. This utility model, by setting a horizontally rotatable rotating clamping structure and a movable, telescopic, and rotatable multi-angle clamping structure, allows welding technicians to rotate the workpiece after fixing it, solving the problem of complex angle butt welding when facing special angle welding requirements, effectively improving the efficiency of welding work.

[0004] Current welding supports for steel structure space frame fabrication can only complete the docking of multiple single steel structures. This necessitates manual docking of single steel structures and cannot handle welding adjustments, impacting the welding efficiency of multiple steel structures. Furthermore, the inability to adjust the welding angles of multiple steel structures during welding leads to incomplete welding, affecting the welding effect, overall weld integrity, and potential safety hazards. Therefore, a new welding support for steel structure space frame fabrication is proposed to address the problems mentioned in the background technology. Summary of the Invention

[0005] To address the problems mentioned in the background art, this invention provides a welding support for processing steel structure space frames. The space frame self-adjusting component adjusts the spacing of the adjustable space frame welding assembly, facilitating the installation and fixing of multiple sets of steel structure components. After edge welding, the welding angle adjustment component adjusts the welding support angle, enabling welders to perform welding work. This welding support can support multiple sets of steel structure components and adjust their welding angles, improving the welding efficiency of the steel structure space frame.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a welding bracket for processing steel structure space frames, comprising an adjustable space frame welding assembly, wherein a structural space frame self-adjusting assembly is movably connected to both sides of the front end of the adjustable space frame welding assembly, and a structural space frame welding angle adjusting assembly is movably connected to both sides of the lower end of the structural space frame self-adjusting assembly; the adjustable space frame welding assembly comprises a side U-shaped bottom space frame support plate, a bottom driver, a bottom multi-threaded adjusting support rod, a bottom U-shaped space frame support seat, a limiting slide rail, a side U-shaped top space frame support plate, a limiting slide groove, a top driver, a top multi-threaded adjusting support rod, a top U-shaped space frame support seat, a spring support rod, and a sliding U-shaped space frame support seat; the structural space frame self-adjusting assembly comprises an adjusting support plate, a side baffle, a convex rotating bracket, a double-compartment adjusting driver, a drive synchronous transmission device, and an adjusting threaded rod; the structural space frame welding angle adjusting assembly comprises a bottom support plate, a side support plate, a concave rotating bracket, a rotating driver, a rotating support base, a hydraulic drive base, a hydraulic extension rod, a top rotating support seat, and a rotating connecting plate.

[0007] In the above technical solution, preferably, a bottom driver is detachably connected to the middle of one side of the side U-shaped bottom grid support plate, and bottom multi-threaded adjustment support rods are movably connected to the inner surfaces of both sides of the bottom driver. There are two sets of the side U-shaped bottom grid support plate, the bottom driver, and the bottom multi-threaded adjustment support rods. A bottom U-shaped grid support seat is movably connected to the outer wall of the bottom multi-threaded adjustment support rod, and there are two sets of the bottom U-shaped grid support seats.

[0008] In the above technical solution, preferably, the upper two sides of the side U-shaped bottom grid support plate are fixedly connected with limiting slide rails, the lower middle part of the side U-shaped top grid support plate is provided with a limiting slide groove, and the upper two sides of the side U-shaped bottom grid support plate are movably connected to the lower middle part of the side U-shaped top grid support plate through the limiting slide rails and the limiting slide groove.

[0009] In the above technical solution, preferably, a top driver is detachably connected to the middle of one side of the side U-shaped top grid support plate; a top multi-threaded adjusting support rod is movably connected to the inner surfaces of both sides of the limiting slide groove; a top U-shaped grid support seat is movably connected to the outer wall of the top multi-threaded adjusting support rod; a spring support rod is fixedly connected to the lower inner surface of the top U-shaped grid support seat; a sliding U-shaped grid support seat is fixedly connected to the outer surface of one end of the spring support rod; the inner surfaces of both sides of the top U-shaped grid support seat are movably connected to the outer surfaces of both sides of the sliding U-shaped grid support seat; the number of the side U-shaped top grid support plate, the top driver, and the top multi-threaded adjusting support rod are all two sets; the number of the top U-shaped grid support seat, the spring support rod, and the sliding U-shaped grid support seat are all five sets; and five sets of threads with different spacings are opened on the outer surfaces of the top multi-threaded adjusting support rod and the bottom multi-threaded adjusting support rod.

[0010] In the above technical solution, preferably, a side baffle is fixedly connected to the outer surface of the front end of the adjustment support plate, a convex rotating bracket is fixedly connected to the outer surface of the front end of the side baffle, and a dual-chamber adjustment driver is fixedly connected to the middle of the adjustment support plate.

[0011] In the above technical solution, preferably, the front outer surface of the dual-compartment adjustment driver is connected to a drive synchronization transmission via drive teeth, and the middle part of the drive synchronization transmission is connected to an adjustment threaded rod via drive teeth.

[0012] In the above technical solution, preferably, the upper two sides of the bottom support plate are fixedly connected to the side support plates, the front end of the side support plates is fixedly connected to the concave rotating bracket, the rear outer surface of the side support plates is fixedly connected to the rotating driver, and the middle of one side of the rotating driver is detachably connected to the rotating support base through the connecting pin.

[0013] In the above technical solution, preferably, a hydraulic drive base is fixedly connected to the front outer surface of the rotating support base, a hydraulic extension rod is movably connected to the middle of the hydraulic drive base, a top rotating support seat is detachably connected to the outer surface of one end of the hydraulic extension rod, and rotating connecting plates are movably connected to the middle of both sides of the top rotating support seat.

[0014] In the above technical solution, preferably, the lower ends of the side U-shaped bottom grid support plate are fixedly connected with internal thread sliding blocks on both sides, and the lower outer surface of the side U-shaped bottom grid support plate is movably connected to the upper outer surface of the adjustment support plate through the internal thread sliding blocks and the adjusting thread rod.

[0015] In the above technical solution, preferably, the lower outer surface of the adjusting support plate is movably connected to the upper outer surface of the lateral support plate through a convex rotating bracket and a concave rotating bracket.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention, through the cooperation between the adjustable space frame welding assembly including a side U-shaped bottom space frame support plate, a bottom driver, a bottom multi-threaded adjusting support rod, a bottom U-shaped space frame support seat, a limiting slide rail, a side U-shaped top space frame support plate, a limiting slide groove, a top driver, a top multi-threaded adjusting support rod, and a top U-shaped space frame support seat, enables the device to support steel structure space frames of different sizes. The self-adjusting component of the structural space frame adjusts the position of the side U-shaped bottom space frame support plate at the bottom of the side U-shaped top space frame support plate. After adjustment, the bottom driver and the top driver synchronously rotate the top multi-threaded adjusting support rod and the bottom multi-threaded adjusting support rod. After rotation, the bottom multi-threaded adjusting support rod and the top multi-threaded adjusting support rod respectively engage with the bottom U-shaped space frame. The support base and the top U-shaped space frame support base are threaded together at different intervals to adjust the spacing between the five sets of bottom U-shaped space frame support bases and top U-shaped space frame support bases. After adjustment, the steel rods at the bottom of the steel structure space frame are first placed in the bottom U-shaped space frame support bases on the side U-shaped bottom space frame support plate to complete the limiting support work for the bottom steel rods. After the bottom steel rods are placed, the top steel rods are placed in the sliding U-shaped space frame support bases in the middle of the top U-shaped space frame support bases. The sliding U-shaped space frame support bases press the spring support rods with their own weight, and the steel rods are moved down by the sliding U-shaped space frame support bases to bring the bottom steel rods into contact with the top steel rods. After contact, the contact points are welded. This method can support steel structure space frames of different sizes and has good support applicability and support stability.

[0017] This invention utilizes the cooperation between a self-adjusting structural frame assembly comprising an adjusting support plate, a side baffle, a convex rotating bracket, a dual-compartment adjusting driver, a drive synchronization transmission, and adjusting threaded rods. When adjusting the support position of the steel structural frame, the dual-compartment adjusting driver, driven by the drive synchronization transmission, synchronously drives two sets of adjusting threaded rods. The adjusting threaded rods engage with internal threaded sliding blocks to achieve horizontal adjustment of the opposite side U-shaped bottom frame support plate. During adjustment, the side baffle prevents the opposite side U-shaped bottom frame support plate from falling off. In use, it can adjust the dimensions of welded supports, exhibiting good adjustment stability and precision.

[0018] The structural space frame welding angle adjustment component of this invention includes a bottom support plate, a side support plate, a concave rotating bracket, a rotating driver, a rotating support base, a hydraulic drive base, a hydraulic extension rod, a top rotating support seat, and a rotating connecting plate. The cooperation between these components facilitates pipe fixing. By synchronously driving the rotating driver in the middle of the side support plate and the hydraulic drive base, the rotating driver first drives the hydraulic drive base to adjust the support angle, and the hydraulic drive base drives the hydraulic extension rod to extend, adjusting the position of the top rotating support seat. The top rotating support seat pushes the rotating connecting plate to complete the position adjustment. The rotating connecting plate then moves backward to adjust the angle of the adjustable space frame welding component and the self-adjusting structural space frame component. This allows for adjustment of the welding bracket's angle, facilitating welding of the steel structure space frame at different angles, improving welding efficiency, and preventing incomplete welds caused by welding angle issues. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the disassembled structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the bottom adjustment component of the present invention;

[0022] Figure 4 for Figure 1 Schematic diagram of the structure of the adjustable space frame welding assembly;

[0023] Figure 5 for Figure 4 A partial structural schematic diagram of the adjustable space frame welding assembly;

[0024] Figure 6 for Figure 5 A magnified structural diagram of A in the middle;

[0025] Figure 7 for Figure 3 Schematic diagram of the self-adjusting component of the medium-structure space frame;

[0026] Figure 8 for Figure 3 Schematic diagram of the welding angle adjustment component for the medium-structure space frame;

[0027] Figure 9 for Figure 8 A schematic diagram of the unfolded structure of the welding angle adjustment component of the medium-sized space frame.

[0028] In the diagram: 1. Adjustable space frame welding assembly; 2. Self-adjusting structural space frame assembly; 3. Structural space frame welding angle adjustment assembly; 101. Side U-shaped bottom space frame support plate; 102. Bottom actuator; 103. Bottom multi-threaded adjustable support rod; 104. Bottom U-shaped space frame support seat; 105. Limiting slide rail; 106. Side U-shaped top space frame support plate; 107. Limiting slide groove; 108. Top actuator; 109. Top multi-threaded adjustable support rod; 110. Top U-shaped space frame support seat; 111. Spring support. 112. Support rod; 201. Sliding U-shaped space frame support; 202. Adjustable support plate; 203. Side baffle; 204. Convex rotating bracket; 205. Double-compartment adjusting actuator; 206. Drive synchronous transmission; 207. Adjustable threaded rod; 301. Bottom support plate; 302. Side support plate; 303. Concave rotating bracket; 304. Rotary actuator; 305. Rotary support base; 306. Hydraulic drive base; 307. Hydraulic extension rod; 308. Top rotating support; 309. Rotary connecting plate. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] like Figures 1 to 9 As shown, the present invention provides a welding bracket for processing steel structure space frames, including an adjustable space frame welding assembly 1. A structural space frame self-adjusting assembly 2 is movably connected to both sides of the front end of the adjustable space frame welding assembly 1, and a structural space frame welding angle adjusting assembly 3 is movably connected to both sides of the lower end of the structural space frame self-adjusting assembly 2. The adjustable space frame welding assembly 1 includes a side U-shaped bottom space frame support plate 101, a bottom actuator 102, a bottom multi-threaded adjusting support rod 103, a bottom U-shaped space frame support seat 104, a limiting slide rail 105, a side U-shaped top space frame support plate 106, a limiting slide groove 107, a top actuator 108, and a top multi-threaded adjusting support rod. The structure includes a strut 109, a top U-shaped space frame support 110, a spring support rod 111, and a sliding U-shaped space frame support 112. The self-adjusting component 2 of the structural space frame includes an adjusting support plate 201, a side baffle 202, a convex rotating bracket 203, a double-compartment adjusting driver 204, a driving synchronous transmission 205, and an adjusting threaded rod 206. The welding angle adjusting component 3 of the structural space frame includes a bottom support plate 301, a side support plate 302, a concave rotating bracket 303, a rotating driver 304, a rotating support base 305, a hydraulic drive base 306, a hydraulic extension rod 307, a top rotating support 308, and a rotating connecting plate 309.

[0031] like Figure 1 , Figure 4 , Figure 5 , Figure 6As shown, a bottom actuator 102 is detachably connected to the middle of one side of the side U-shaped bottom space frame support plate 101. Bottom multi-threaded adjusting support rods 103 are movably connected to the inner surfaces of both sides of the bottom actuator 102. There are two sets of the side U-shaped bottom space frame support plate 101, the bottom actuator 102, and the bottom multi-threaded adjusting support rods 103. Bottom U-shaped space frame support seats 104 are movably connected to the outer walls of the bottom multi-threaded adjusting support rods 103. There are two sets of bottom U-shaped space frame support seats 104. Limiting slide rails 105 are fixedly connected to both sides of the upper end of the side U-shaped bottom space frame support plate 101. A limiting slide groove 107 is opened at the middle of the lower end of the side U-shaped top space frame support plate 106. Limiting slide rails 105 are fixed to both sides of the upper end of the side U-shaped bottom space frame support plate 101. The lower middle part of the side U-shaped top grid support plate 106 is movably connected to the limiting slide rail 105 and the limiting slide groove 107. The top driver 108 is detachably connected to the middle part of one side of the side U-shaped top grid support plate 106. The upper multi-threaded adjusting support rod 109 is movably connected to the inner surfaces of both sides of the limiting slide groove 107. The outer wall of the upper multi-threaded adjusting support rod 109 is movably connected to the upper U-shaped grid support seat 110. The lower inner surface of the upper U-shaped grid support seat 110 is fixedly connected to the spring support rod 111. The outer surface of one end of the spring support rod 111 is fixedly connected to the sliding U-shaped grid support seat 112. The inner surfaces of both sides of the upper U-shaped grid support seat 110 and the outer surfaces of both sides of the sliding U-shaped grid support seat 112 are movably connected. The connection consists of two sets of the side U-shaped top space frame support plate 106, the top driver 108, and the top multi-threaded adjusting support rod 109. The top U-shaped space frame support base 110, the spring support rod 111, and the sliding U-shaped space frame support base 112 are each in five sets. The outer surfaces of the top multi-threaded adjusting support rod 109 and the bottom multi-threaded adjusting support rod 103 are provided with five sets of threads at different intervals. During use, the position of the side U-shaped bottom space frame support plate 101 at the bottom of the side U-shaped top space frame support plate 106 is first adjusted using the self-adjusting assembly 2 of the structural space frame according to the required welded steel structure space frame dimensions. After adjustment, the bottom driver 102 and the top driver 108 simultaneously adjust the top multi-threaded adjusting support rod 109. The bottom multi-threaded adjusting support rod 103 and the top multi-threaded adjusting support rod 109 rotate synchronously. After rotation, the bottom multi-threaded adjusting support rod 103 and the top multi-threaded adjusting support rod 109 engage with the bottom U-shaped space frame support seat 104 and the top U-shaped space frame support seat 110 at different intervals, respectively, to complete the adjustment of the spacing between the five sets of bottom U-shaped space frame support seats 104 and top U-shaped space frame support seats 110. After adjustment, the steel rods at the bottom of the steel structure space frame are first placed in the bottom U-shaped space frame support seats 104 on the side U-shaped bottom space frame support plate 101 to complete the limiting support work of the bottom steel rods. After the bottom steel rods are placed, the top steel rods are placed in the sliding U-shaped space frame support seat 112 in the middle of the top U-shaped space frame support seat 110.The sliding U-shaped space frame support 112 presses down on the spring support rod 111 by its own weight. The sliding U-shaped space frame support 112 then moves the steel rod downwards, bringing the bottom steel rod into contact with the top steel rod. After contact, welding is performed at the contact point.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 7 As shown, a side baffle 202 is fixedly connected to the outer surface of the front end of the adjusting support plate 201. A convex rotating bracket 203 is fixedly connected to the outer surface of the front end of the side baffle 202. A double-compartment adjusting driver 204 is fixedly connected to the middle of the adjusting support plate 201. A drive synchronous transmission 205 is engaged with the drive teeth on the outer surface of the front end of the double-compartment adjusting driver 204. An adjusting threaded rod 206 is engaged with the middle of the drive synchronous transmission 205 through drive teeth. When adjusting the position of the steel structure space frame support, the double-compartment adjusting driver 204 drives the two sets of adjusting threaded rods 206 synchronously through the drive synchronous transmission 205. The adjusting threaded rod 206 engages with the internal threaded sliding block to achieve the horizontal adjustment of the opposite side U-shaped bottom space frame support plate 101. During adjustment, the side baffle 202 blocks the opposite side U-shaped bottom space frame support plate 101 to prevent it from falling off. In use, it can complete the adjustment of the welded support size and has good adjustment stability and accuracy.

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 8 , Figure 9As shown, lateral support plates 302 are fixedly connected to both sides of the upper end of the bottom support plate 301. A concave rotating bracket 303 is fixedly connected to the front end of the lateral support plate 302. A rotating actuator 304 is fixedly connected to the outer surface of the rear end of the lateral support plate 302. A rotating support base 305 is detachably connected to the middle of one side of the rotating actuator 304 via a connecting pin. A hydraulic drive base 306 is fixedly connected to the outer surface of the front end of the rotating support base 305. A hydraulic extension rod 307 is movably connected to the middle of the hydraulic drive base 306. A top rotating support seat 308 is detachably connected to the outer surface of one end of the hydraulic extension rod 307. Rotary connecting rods are movably connected to the middle of both sides of the top rotating support seat 308. After the steel structure space frame support plate 309 is welded to its edges, the rotary driver 304 and hydraulic drive base 306 in the middle of the lateral support plate 302 are synchronously driven. The rotary driver 304 drives the hydraulic drive base 306 to adjust the support angle, and the hydraulic drive base 306 drives the hydraulic extension rod 307 to extend, adjusting the position of the top rotary support seat 308. The top rotary support seat 308 pushes the rotary connecting plate 309 to complete the adjustment of the position of the rotary connecting plate 309. The rotary connecting plate 309 moves backward to complete the adjustment of the angle of use of the adjustable space frame welding assembly 1 and the structural space frame self-adjusting assembly 2.

[0034] like Figure 1 , Figure 2 , Figure 3 As shown, internally threaded sliding blocks are fixedly connected to both sides of the lower end of the side U-shaped bottom space frame support plate 101. The lower outer surface of the side U-shaped bottom space frame support plate 101 is movably connected to the upper outer surface of the adjustment support plate 201 through the internally threaded sliding blocks and the adjusting threaded rod 206. The lower outer surface of the adjustment support plate 201 is movably connected to the upper outer surface of the side support plate 302 through the convex rotating bracket 203 and the concave rotating bracket 303. The side U-shaped bottom space frame support plate 101 completes the adjustment of the position of the side U-shaped bottom space frame support plate 101 through the thread engagement of the internally threaded sliding blocks and the adjusting threaded rod 206. The adjustment support plate 201 completes the rotational support of the side support plate 302 through the convex rotating bracket 203 and the concave rotating bracket 303.

[0035] During operation (or use), firstly, the position of the side U-shaped bottom space frame support plate 101 at the bottom of the side U-shaped top space frame support plate 106 is adjusted using the self-adjusting component 2 of the structural space frame according to the required dimensions of the welded steel structure space frame. After adjustment, the bottom driver 102 and the top driver 108 synchronously rotate the top multi-threaded adjusting support rod 109 and the bottom multi-threaded adjusting support rod 103. After rotation, the bottom multi-threaded adjusting support rod 103 and the top multi-threaded adjusting support rod 109 respectively engage with the bottom U-shaped space frame support seat 104 and the top U-shaped space frame support seat 110 at different intervals, completing the engagement of the five sets of bottom U-shaped space frame support seats 110. The spacing adjustment between 04 and the top U-shaped space frame support 110 is carried out. After adjustment, the steel rod at the bottom of the steel structure space frame is first placed in the bottom U-shaped space frame support 104 on the side U-shaped bottom space frame support plate 101 to complete the limiting support work for the bottom steel rod. After the bottom steel rod is placed, the top steel rod is placed in the sliding U-shaped space frame support 112 in the middle of the top U-shaped space frame support 110. The sliding U-shaped space frame support 112 presses the spring support rod 111 by its own weight. The sliding U-shaped space frame support 112 drives the steel rod to move down, so that the bottom steel rod and the top steel rod come into contact. After contact, the contact position is welded.

[0036] When adjusting the support position of the steel structure space frame, the dual-compartment adjustment driver 204 drives the two sets of adjusting threaded rods 206 synchronously through the drive synchronous transmission 205. The adjusting threaded rods 206 engage with the internal threaded sliding block to achieve the horizontal adjustment of the U-shaped bottom space frame support plate 101 on the opposite side. During adjustment, the side baffle 202 blocks the U-shaped bottom space frame support plate 101 on the opposite side to prevent it from falling off. In use, it can complete the adjustment of the welded support size and has good adjustment stability and accuracy.

[0037] After the steel structure space frame is supported and the edges are welded, the rotary driver 304 in the middle of the lateral support plate 302 and the hydraulic drive base 306 are driven synchronously. The rotary driver 304 drives the hydraulic drive base 306 to adjust the support angle, and the hydraulic drive base 306 drives the hydraulic extension rod 307 to extend and adjust the position of the top rotary support 308. The top rotary support 308 pushes the rotary connecting plate 309 to complete the adjustment of the position of the rotary connecting plate 309. The rotary connecting plate 309 moves backward to complete the adjustment of the angle of use of the adjustable space frame welding assembly 1 and the structural space frame self-adjusting assembly 2.

[0038] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A welding support for steel structure grid processing, comprising an adjustable grid welding assembly (1), characterized in that: The adjustable net rack welding assembly (1) is movably connected with the structural net rack self-adjusting assembly (2) on both sides of the front end, and the lower end of the structural net rack self-adjusting assembly (2) is movably connected with the structural net rack welding angle adjusting assembly (3), the adjustable net rack welding assembly (1) comprises a side U-shaped bottom net rack support plate (101), a bottom drive (102), a bottom multi-thread adjusting support rod (103), a bottom U-shaped net rack support base (104), a limiting sliding rail (105), a side U-shaped top net rack support plate (106), a limiting sliding groove (107), a top drive (108), a top multi-thread adjusting support rod (109), a top U-shaped net rack support base (110), a spring support rod (111) and a sliding U-shaped net rack support base (112), the structural net rack self-adjusting assembly (2) comprises an adjusting support plate (201), a lateral baffle (202), a convex rotary support (203), a double-bin adjusting drive (204), a drive synchronous transmission (205) and an adjusting threaded rod (206), and the structural net rack welding angle adjusting assembly (3) comprises a bottom support plate (301), a lateral support plate (302), a concave rotary support (303), a rotary drive (304), a rotary support base (305), a hydraulic drive base (306), a hydraulic extension rod (307), a top rotary support base (308) and a rotary connecting plate (309); The bottom drive (102) is detachably connected to the middle part of one side of the side U-shaped bottom net rack support plate (101), the bottom multi-thread adjusting support rod (103) is movably connected to the inner surfaces on both sides of the bottom drive (102), the number of the side U-shaped bottom net rack support plate (101), the bottom drive (102) and the bottom multi-thread adjusting support rod (103) is two groups, the outer wall of the bottom multi-thread adjusting support rod (103) is movably connected with the bottom U-shaped net rack support base (104), and the number of the bottom U-shaped net rack support base (104) is two groups; The limiting sliding rail (105) is fixedly connected to the upper ends of both sides of the side U-shaped bottom net rack support plate (101), the limiting sliding groove (107) is formed in the middle part of the lower end of the side U-shaped top net rack support plate (106), and the upper ends of both sides of the side U-shaped bottom net rack support plate (101) are movably connected with the middle part of the lower end of the side U-shaped top net rack support plate (106) through the limiting sliding rail (105) and the limiting sliding groove (107).

2. The welding support for steel structure grid processing according to claim 1, characterized in that, The side U-shaped top net rack support plate (106) is detachably connected with a top driver (108) in the middle of one side, the inner surfaces of the two sides of the limiting sliding groove (107) are movably connected with a top multi-thread adjusting support rod (109), the outer wall of the top multi-thread adjusting support rod (109) is movably connected with a top U-shaped net rack support base (110), the inner surface of the lower end of the top U-shaped net rack support base (110) is fixedly connected with a spring support rod (111), the outer surface of one end of the spring support rod (111) is fixedly connected with a sliding U-shaped net rack support base (112), the inner surfaces of the two sides of the top U-shaped net rack support base (110) are movably connected with the outer surfaces of the two sides of the sliding U-shaped net rack support base (112), the number of the side U-shaped top net rack support plate (106), the top driver (108) and the top multi-thread adjusting support rod (109) is two groups, the number of the top U-shaped net rack support base (110), the spring support rod (111) and the sliding U-shaped net rack support base (112) is five groups, and the outer surfaces of the top multi-thread adjusting support rod (109) and the bottom multi-thread adjusting support rod (103) are provided with five groups of threads with different distances.

3. The welding support for steel structure grid processing according to claim 1, characterized in that, The outer surface of the front end of the adjusting support plate (201) is fixedly connected with a lateral baffle (202), the outer surface of the front end of the lateral baffle (202) is fixedly connected with a convex rotary support (203), and the middle of the adjusting support plate (201) is fixedly connected with a double-bin adjusting driver (204).

4. The welding support for steel structure grid processing according to claim 1, characterized in that, The outer surface of the front end of the double-bin adjusting driver (204) is drivingly toothed with a driving synchronous transmission (205), and the middle of the driving synchronous transmission (205) is toothed with an adjusting threaded rod (206).

5. The welding support for steel structure grid processing according to claim 1, characterized in that, The upper ends of the two sides of the bottom support plate (301) are fixedly connected with lateral support plates (302), the front end of the lateral support plate (302) is fixedly connected with a concave rotary support (303), the outer surface of the rear end of the lateral support plate (302) is fixedly connected with a rotary driver (304), and one side of the middle of the rotary driver (304) is detachably connected with a rotary support base (305) through a connecting pin.

6. The welding support for steel structure grid processing according to claim 1, characterized in that, The outer surface of the front end of the rotary support base (305) is fixedly connected with a hydraulic driving base (306), the middle of the hydraulic driving base (306) is movably connected with a hydraulic extension rod (307), the outer surface of one end of the hydraulic extension rod (307) is detachably connected with a top rotary support base (308), and the middle of the two sides of the top rotary support base (308) is movably connected with a rotary connecting plate (309).

7. The welding support for steel structure grid processing according to claim 1, characterized in that, The lower ends of the two sides of the side U-shaped bottom net rack support plate (101) are fixedly connected with internal thread sliding blocks, and the outer surface of the lower end of the side U-shaped bottom net rack support plate (101) is movably connected with the outer surface of the upper end of the adjusting support plate (201) through the internal thread sliding blocks and the adjusting threaded rod (206).

8. The welding support for steel structure grid processing according to claim 3, characterized in that, The lower end outer surface of the adjusting support plate (201) is movably connected with the upper end outer surface of the lateral support plate (302) through the convex rotating support (203) and the concave rotating support (303).

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