Welding equipment for butt-joint tailor-welding longitudinal seams of large plates of rocket storage tank cylinder section

Abstract

The utility model provides welding equipment for butt-joint tailor-welding longitudinal seams of large plates of a rocket storage tank cylinder section. The welding equipment comprises a welding support, the welding support comprises an upper welding support, a lower welding support and a welding support base body. The upper welding support and the lower welding support are fixedly connected through the welding support base body. The welding bracket is provided with a steel plate supporting bracket; the steel plate supporting bracket is used for supporting a steel plate; at least one of the opposite end faces of the welding upper support and the welding lower support is provided with a welding head capable of moving in the length direction of the welding upper support and the welding lower support so as to weld a butt joint longitudinal seam of a steel plate to be welded, and a storage tank barrel section is formed. According to the welding equipment, the process difficulty and the complexity of the equipment can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of rocket storage tanks, specifically to welding equipment for butt welding longitudinal seams of large plates in rocket storage tank sections. Background Technology

[0002] In the typical manufacturing process of large-diameter stainless steel rocket propellant tanks, the welding process of stainless steel plates into short cylinders generally involves: uncoiling - flattening - cutting - welding longitudinal seams - short rings - stacking and welding circumferential seams - short cylinders. The welding position for the longitudinal seam of the short rings is vertical, while the welding position for the circumferential seams of the short cylinders is horizontal. This welding position is more challenging than conventional horizontal welding, and controlling the welding quality is more difficult. Furthermore, the welding of the circumferential seams of the short cylinders places strict requirements on the precision and stability of the equipment, as well as the welding backing.

[0003] To reduce the welding difficulty of the short cylinder of the rocket propellant tank, it is particularly important to design welding equipment for the longitudinal seam of the butt joint of the large plate of the rocket propellant tank section. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide welding equipment for butt welding of longitudinal seams in the large plates of rocket propellant tank sections.

[0005] This utility model provides welding equipment for butt welding of longitudinal seams in large plates of rocket propellant tank sections, comprising: a welding support; the welding support includes: an upper welding support, a lower welding support, and a welding support base; the upper welding support and the lower welding support are fixedly connected through the welding support base; the welding support is provided with a steel plate support bracket for supporting the steel plate; at least one of the opposite end faces of the upper welding support and the lower welding support is provided with a welding head movable along its length direction for welding the butt longitudinal seam of the steel plates to be welded, forming a propellant tank section.

[0006] According to one embodiment of the present invention, the upper welding bracket and the lower welding bracket are respectively provided with an upper welding guide rail and a lower welding guide rail on their opposite end faces; the upper welding guide rail is provided with an upper welding component, and the lower welding guide rail is provided with a lower welding component; both the upper welding component and the lower welding component are provided with welding heads to weld the longitudinal seam from the front and back of the steel plate respectively.

[0007] According to one embodiment of the present invention, the upper welding component further includes a vertical shaft and a horizontal guide shaft; wherein, the vertical shaft is movably disposed on the upper welding guide rail; the horizontal guide shaft is disposed on the side of the vertical shaft, and the welding head is disposed on the lower end face of the horizontal guide shaft; the horizontal guide shaft can slide relative to the vertical shaft along the width direction of the upper welding guide rail to drive the welding head to align with the longitudinal seam of the steel plate to be welded.

[0008] According to one embodiment of the present invention, the upper welding component further includes a welding rolling mechanism; the welding rolling mechanism includes a welding rolling drive cylinder and a welding rolling wheel; the welding rolling wheel is rotatably connected to the telescopic rod of the welding rolling drive cylinder; along the welding direction of the longitudinal seam of the steel plate butt joint, one welding rolling mechanism is respectively arranged before and after the welding head; by extending and retracting the telescopic rod of the welding rolling drive cylinder, the welding rolling wheel is driven to move closer to or away from the weld, so as to press the weld before and after the welding head respectively.

[0009] According to one embodiment of the present invention, at least one clamping drive cylinder component is provided on each side of the welding bracket along its length direction to clamp the steel plate on both sides of the longitudinal seam. The clamping drive cylinder component includes a welding clamping drive cylinder and a welding clamping block. The welding clamping block is fixedly connected to the telescopic rod of the welding clamping drive cylinder. By extending or retracting the telescopic rod of the welding clamping drive cylinder, the welding clamping block is driven to move closer to or away from the steel plate.

[0010] According to one embodiment of the present invention, the lower welding bracket is provided with an outer positioning limiting component and an inner positioning limiting component on its end face relative to the upper welding bracket; the outer positioning limiting component includes: an outer positioning base, an outer positioning drive cylinder, and an outer positioning upper limit block; the outer positioning drive cylinder is disposed on the outer positioning base, and the outer positioning upper limit block is connected to the telescopic rod of the outer positioning drive cylinder to adjust the height of the outer positioning upper limit block; the inner positioning limiting component includes: an inner positioning base, an inner positioning drive cylinder, and an inner positioning upper limit block; the inner positioning drive cylinder is disposed on the inner positioning base, and the inner positioning upper limit block is connected to the telescopic rod of the inner positioning drive cylinder to adjust the height of the inner positioning upper limit block; the outer positioning base and the inner positioning base are disposed on the lower welding bracket and are movably disposed relative to the lower welding bracket, so that the opposite end faces of the outer positioning upper limit block and the inner positioning upper limit block respectively abut against the two ends of the longitudinal seam of the steel plate butt joint, so that the two steel plates to be welded are aligned.

[0011] According to one embodiment of the present invention, the outer positioning and limiting component further includes an outer connecting plate and an outer lower limiting component; the outer connecting plate is connected to the telescopic rod of the outer positioning drive cylinder; the outer positioning upper limit block and the outer lower limiting component are disposed on the outer connecting plate; the inner positioning and limiting component further includes an inner connecting plate and an inner lower limiting component; the inner connecting plate is connected to the telescopic rod of the inner positioning drive cylinder; the inner positioning upper limit block and the inner lower limiting component are disposed on the inner connecting plate; the outer lower limiting component and the inner lower limiting component are disposed opposite to each other; both the outer lower limiting component and the inner lower limiting component include a lower limiting drive cylinder and a lower limiting block; the lower... The limiting block is connected to the telescopic rod of the lower limiting drive cylinder, and the height of the lower limiting block is adjusted by telescopically extending and retracting the telescopic rod of the lower limiting drive cylinder; the upper end of the outer positioning-upper limiting block extends towards the outer lower limiting component; the lower end face of the extension is the upper plate thickness limiting surface, and the upper end face of the lower limiting block is the corresponding lower plate thickness limiting surface; correspondingly, the upper end of the inner positioning-upper limiting block extends towards the inner lower limiting component; the lower end face of the extension is the upper plate thickness limiting surface, and the upper end face of the lower limiting block is the corresponding lower plate thickness limiting surface; the upper plate thickness limiting surface and the corresponding lower plate thickness limiting surface respectively fit the front and back of the steel plate to eliminate misalignment of the steel plate weld in the plate thickness direction.

[0012] According to one embodiment of the present invention, a left rolling conveyor and a right rolling conveyor are respectively provided on both sides of the welding bracket in the width direction; both the left rolling conveyor and the right rolling conveyor include two rotatable pressing rollers; the two pressing rollers arranged opposite each other are used to press the steel plate from both sides in the thickness direction to convey the steel plate to the welding equipment or to send the steel plate out of the welding equipment.

[0013] According to one embodiment of the present invention, a lower anti-misalignment limiting component is further included; the lower anti-misalignment limiting component includes a base connecting plate, a telescopic drive cylinder component, a limiting connecting plate, a lower anti-misalignment limiting drive cylinder, and a lower anti-misalignment limiting block; the base connecting plate is disposed on the lower end face of the steel plate support bracket; the telescopic drive cylinder component is disposed on the base connecting plate and is disposed along the width direction of the welded bracket; the limiting connecting plate is connected to the telescopic rod of the telescopic drive cylinder component; the lower anti-misalignment limiting drive cylinder is disposed on the lower end face of the steel plate support bracket. The limiting connecting plate is arranged vertically; the lower anti-misalignment limiting block is connected to the telescopic rod of the lower anti-misalignment limiting drive cylinder; by extending and retracting the telescopic rod of the telescopic drive cylinder component, the limiting connecting plate, the lower anti-misalignment limiting drive cylinder, and the lower anti-misalignment limiting block extend or retract horizontally to approach or move away from the longitudinal seam of the steel plate; by extending and retracting the telescopic rod of the lower anti-misalignment limiting drive cylinder, the lower anti-misalignment limiting block faces or moves away from the lower end face of the steel plate to support or release the steel plate from the lower end face of the steel plate.

[0014] According to one embodiment of the present invention, it further includes an upper anti-misalignment edge limiting component; the upper anti-misalignment edge limiting component includes a rotary motor, an L-shaped connecting rod, an upper anti-misalignment edge limiting drive cylinder, and an upper anti-misalignment edge limiting block; the rotary motor is disposed on the upper end face of the pressing drive cylinder mounting bracket and is arranged along the length direction of the pressing drive cylinder mounting bracket; the rotating rod of the rotary motor is rotatably connected to one support rod of the L-shaped connecting rod; the upper anti-misalignment edge limiting drive cylinder is disposed on the side of the other support rod of the L-shaped connecting rod and is arranged along the extension direction of the support rod; the upper anti-misalignment edge limiting block... The edge limiting block is connected to the telescopic rod of the upper anti-misalignment edge limiting drive cylinder; the rotary motor is started, and the rotating rod of the rotary motor drives the L-shaped connecting rod to rotate in a plane perpendicular to the length direction of the clamping drive cylinder mounting bracket, so that the upper anti-misalignment edge limiting drive cylinder and the upper anti-misalignment edge limiting block rotate toward or away from the steel plate; when the other support rod of the L-shaped connecting rod is in a vertical state, the telescopic rod of the upper anti-misalignment edge limiting drive cylinder extends and retracts, so that the upper anti-misalignment edge limiting block moves toward or away from the upper surface of the steel plate, so as to clamp or release the steel plate from the upper surface of the steel plate.

[0015] According to the present invention, the welding equipment for butt welding of longitudinal seams of large plates in rocket storage tank sections transforms the welding position of existing three-dimensional welding equipment into a relatively simple flat welding position by positioning and welding short cylindrical plates, thereby reducing the difficulty of the process and the complexity of the equipment.

[0016] It should be understood that the above general description and the following specific embodiments are merely exemplary and illustrative, and do not limit the scope of the present invention. Attached Figure Description

[0017] The accompanying drawings are part of the specification of this utility model and illustrate exemplary embodiments of the utility model. The drawings, together with the description in the specification, are used to illustrate the principles of the utility model.

[0018] Figure 1 This is a perspective view of a welding device for butt welding longitudinal seams of large plates in rocket propellant tank sections, according to an embodiment of this utility model.

[0019] Figure 2 This is a perspective view of the upper welding component according to an embodiment of the present invention;

[0020] Figure 3 This is a perspective view of a welding device for butt welding longitudinal seams of large plates in rocket storage tank sections, according to another embodiment of this utility model.

[0021] Figure 4 This is a perspective view of a rolling component according to an embodiment of the present invention;

[0022] Figure 5 This is a left view of a welding device for butt welding longitudinal seams of large plates in rocket propellant tank sections, according to an embodiment of this utility model.

[0023] Figure 6 yes Figure 1 Enlarged view of A in the middle;

[0024] Figure 7 This is a front view of the upper welding component according to an embodiment of the present invention;

[0025] Figure 8 This is a perspective view of an external positioning and limiting component according to an embodiment of the present utility model;

[0026] Figure 9 This is a front view of an external positioning and limiting component according to an embodiment of the present invention;

[0027] Figure 10 This is a right view of an external positioning and limiting component according to an embodiment of the present utility model;

[0028] Figure 11 This is a perspective view of a right-rolling conveyor component according to an embodiment of the present invention;

[0029] Figure 12 This is a rear view of a welding device for butt welding longitudinal seams of large plates in rocket propellant tank sections, according to an embodiment of this utility model.

[0030] Figure 13 This is a perspective view of the lower anti-misalignment edge limiting component according to an embodiment of the present utility model;

[0031] Figure 14 This is a perspective view of the upper anti-misalignment edge limiting component according to an embodiment of the present utility model;

[0032] Figure 15 yes Figure 1 Enlarged view of C in the middle;

[0033] Figure 16 yes Figure 12 Enlarged view of B in the middle;

[0034] Figure 17 This is a perspective view of the lower rolling component according to an embodiment of the present invention;

[0035] Figure 18 This is a left view of a crushing component according to an embodiment of the present invention;

[0036] Figure 19 This is a rear view of a crushing component according to an embodiment of the present invention;

[0037] Figure 20 This is a perspective view of a feeding and positioning component according to an embodiment of the present utility model;

[0038] Figure 21 This is a perspective view of a feeding and positioning block according to an embodiment of the present invention;

[0039] Figure 22 This is a perspective view of a steel plate guide component according to an embodiment of the present invention.

[0040] Explanation of reference numerals in the attached figures:

[0041] 2- Rolling component; 1-1 Welded bracket; 1-2 Inner positioning and limiting component; 1-3 Outer positioning and limiting component; 1-4 Upper anti-misalignment limiting component; 1-5 Lower anti-misalignment limiting component; 1-6 Right rolling conveyor component; 1-7 Left rolling conveyor component; 1-8 Lower welded component; 1-9 Upper welded component; 1-10 Pressing drive cylinder component; 1-11 Unloading positioning component; 2-1 Rolling bracket; 2-2 Lower rolling component; 2-3 Upper rolling component; 2-4 Pressing component; 2-5 Unloading positioning component; 2-6 Steel plate guide component; 1-1-1 Welded lower guide rail; 1-1-2 Welded upper guide rail; 1-1-3 Pressing drive cylinder mounting bracket; 1-1-4 Steel plate Support bracket; 1-1-5 Welding bracket base; 1-1-6 Welding support column; 1-1-7 Welding lower bracket; 1-1-8 Welding upper bracket; 1-3-1 External positioning base; 1-3-2 External positioning drive cylinder; 1-3-3 External connecting plate; 1-3-4 External positioning upper limit block; 1-3-5 External lower limit component; 1-3-6 Positioning surface; 1-3-7 Steel plate weld length direction limiting surface; 1-3-8 Upper plate thickness limiting surface; 1-3-9 Lower plate thickness limiting surface; 1-3-10 Chamfer; 1-4-1 Rotary motor; 1-4-2 L-shaped connecting rod; 1-4-3 Upper anti-misalignment edge limiting drive cylinder; 1-4-4 Upper anti-misalignment edge limiting block; 1-4-5 Limiting drive cylinder; 1-4-6 C-type block; 1-5-1 base connecting plate; 1-5-2 telescopic drive cylinder component; 1-5-3 limiting connecting plate; 1-5-4 lower anti-misalignment limit drive cylinder; 1-5-5 lower anti-misalignment limit block; 1-6-1 right power drive cylinder; 1-6-2 left power drive cylinder; 1-6-3 right connecting plate; 1-6-4 left connecting plate; 1-6-5 drive motor; 1-6-6 rolling roller; 1-9-1 vertical shaft; 1-9-2 transverse guide rail shaft; 1-9-3 welding head; 1-9-4 welding rolling wheel; 1-9-5 side blowing component; 1-9-6 coaxial air nozzle; 1-9-7 light blocking plate; 2-1-1 rolling support base; 2-1-2 Lower rolling guide rail; 2-1-3 Upper rolling guide rail; 2-1-4 Drive cylinder base bracket; 2-1-5 Lower support bracket; 2-1-6 Locking component; 2-1-7 Rolling support column; 2-1-8 Upper rolling bracket; 2-1-9 Lower rolling bracket; 2-2-1 Rolling drive cylinder; 2-2-2 Rolling connecting component; 2-2-3 Weld seam rolling wheel; 2-5-1 Positioning guide rail; 2-5-2 Feeding positioning block; 2-6-1 Guide drive cylinder; 2-6-2 Guide plate; 2-6-3 Guide wheel; 2-5-2-1 Feeding base; 2-5-2-2 Feeding adapter plate; 2-5-2-3 Feeding drive cylinder; 2-5-2-4 Positioning block. Detailed Implementation

[0042] The features and exemplary embodiments of various aspects of this utility model will be described in detail below. To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain this utility model and to exemplarily illustrate the principles of this utility model, and are not configured to limit this utility model. In addition, the structural components in the drawings are not necessarily drawn to scale. For example, the dimensions of some structural components or regions in the drawings may be enlarged for other structural components or regions to aid in the understanding of the embodiments of this utility model.

[0043] The directional terms used in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of the embodiments of this utility model. In the description of this utility model, it should be noted that, unless otherwise stated, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] Furthermore, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a structure or component that includes a list of elements includes not only those elements but also other structural elements that are not expressly listed or inherent to the structure or component. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the article or apparatus that includes the element.

[0045] Spatial relation terms such as "below," "under," "under," "low," "above," "on," and "high" are used for descriptive convenience to explain the positioning of one element relative to a second element, indicating that these terms are intended to cover different orientations of the device, in addition to those different from those shown in the figure. Furthermore, phrases such as "one element on / below another element" can indicate that two elements are in direct contact, or that there are other elements between the two elements. In addition, terms such as "first" and "second" are also used to describe individual elements, areas, parts, etc., without specifically indicating order or sequence, and should not be considered restrictive. Similar terms are used throughout the description to represent similar elements.

[0046] In the following description of this utility model, the terms "rocket," "launch vehicle," "spacecraft," "space launch vehicle," or "missile" may be used in certain scenarios for ease of description only, and their connotations are not limited to the specific terms used. Generally, the rockets in this utility model include space launch vehicles or launch vehicles used to carry satellites, spacecraft, or other probes, as well as various missiles, rockets, and other weapons used to carry military payloads, and similar products capable of delivering payloads into the air. Those skilled in the art, when interpreting the above specific terms, should not limit the rocket to only one of launch vehicles or missiles based on the specific terms used in the description, thereby narrowing the scope of protection of this utility model.

[0047] For those skilled in the art, this invention can be implemented without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples.

[0048] Figure 1 This is a perspective view of a welding device for butt welding longitudinal seams of large plates in rocket propellant tank sections, according to an embodiment of this utility model. Figure 2 This is a perspective view of the upper welding component according to an embodiment of the present invention; Figure 3 This is a perspective view of a welding device for butt welding longitudinal seams of large plates in rocket storage tank sections, according to another embodiment of this utility model. Figure 4 This is a perspective view of a rolling component according to an embodiment of the present invention; Figure 5 This is a left view of a welding device for butt welding longitudinal seams of large plates in rocket propellant tank sections, according to an embodiment of this utility model. Figure 6 yes Figure 1 Enlarged view of A in the middle; Figure 7 This is a front view of the upper welding component according to an embodiment of the present invention; Figure 8 This is a perspective view of an external positioning and limiting component according to an embodiment of the present utility model; Figure 9 This is a front view of an external positioning and limiting component according to an embodiment of the present invention; Figure 10 This is a right view of an external positioning and limiting component according to an embodiment of the present utility model; Figure 11 This is a perspective view of a right-rolling conveyor component according to an embodiment of the present invention; Figure 12 This is a rear view of a welding device for butt welding longitudinal seams of large plates in rocket propellant tank sections, according to an embodiment of this utility model. Figure 13 This is a perspective view of the lower anti-misalignment edge limiting component according to an embodiment of the present utility model; Figure 14 This is a perspective view of the upper anti-misalignment edge limiting component according to an embodiment of the present utility model; Figure 15 yes Figure 1 Enlarged view of C in the middle; Figure 16 yes Figure 12Enlarged view of B in the middle; Figure 17 This is a perspective view of the lower rolling component according to an embodiment of the present invention; Figure 18 This is a left view of a crushing component according to an embodiment of the present invention; Figure 19 This is a rear view of a crushing component according to an embodiment of the present invention;

[0049] Figure 20 This is a perspective view of a feeding and positioning component according to an embodiment of the present utility model; Figure 21 This is a perspective view of a feeding and positioning block according to an embodiment of the present invention; Figure 22 This is a perspective view of a steel plate guide component according to an embodiment of the present invention.

[0050] like Figure 1 and 2 As shown, this utility model provides welding equipment for butt welding longitudinal seams of large plates in rocket propellant tank sections, including: a welding bracket 1-1. The welding bracket 1-1 includes: an upper welding bracket 1-1-8, a lower welding bracket 1-1-7, and a welding bracket base 1-1-5. The upper welding bracket 1-1-8 and the lower welding bracket 1-1-7 are fixedly connected via the welding bracket base 1-1-5. The welding bracket 1-1 is provided with a steel plate support bracket 1-1-4, which supports the steel plate. At least one of the opposite end faces of the upper welding bracket 1-1-8 and the lower welding bracket 1-1-7 is provided along its length direction (…). Figure 1 The movable welding head 1-9-3 (in the S1 direction) is used to weld the longitudinal seam of the steel plates to be welded, forming the tank section.

[0051] The welding equipment provided in this embodiment can position and weld short cylindrical plates. This equipment transforms the welding position of existing three-dimensional welding equipment into a relatively simple flat welding position, reducing process difficulty and equipment complexity, and making it easier to achieve back-side gas shielding, thus lowering equipment requirements. Furthermore, this welding equipment exhibits high welding stability. Verification has shown that this equipment can butt-weld several cold-rolled hardened 301 stainless steel plates with dimensions of 6000–7000 mm in length, 3000–5000 mm in width, and 0.4–3.0 mm in thickness into ultra-large diameter (diameter > 4 meters) short cylinders for storage tanks.

[0052] For example, the upper welding bracket 1-1-8 and the lower welding bracket 1-1-7 are spaced apart and fixedly connected by the welding bracket base 1-1-5 to form a C-shaped welding bracket, which serves as the load-bearing base for welding and the mounting bracket for other components. For example, the welding head 1-9-3 can be a laser welding head for laser welding of steel plates.

[0053] like Figure 3 and 4As shown, according to one embodiment of the present invention, in addition to the welding section 1-1, the welding equipment also includes a rolling component 2. The rolling component 2 includes a rolling support 2-1. The rolling support 2-1 includes: an upper rolling support 2-1-8, a lower rolling support 2-1-9, and a rolling support base 2-1-1. The upper rolling support 2-1-8 and the lower rolling support 2-1-9 are spaced apart and fixedly connected by the rolling support base 2-1-1. The rolling support 2-1 is provided with a lower support support 2-1-5, which is used to support the steel plate. At least one of the opposite end faces of the upper rolling support 2-1-8 and the lower rolling support 2-1-9 is arranged along its length direction ( Figure 4 The movable weld rolling roller 2-2-3 (in the S4 direction) is used to roll the weld seam of the steel plate.

[0054] In this embodiment, the rolling component 2 can be placed beside the welding bracket 1-1. The rolling component 2 is used to roll and level the longitudinal seam of the short cylinder, removing most of the weld stress and eliminating weld excess. This welding equipment can shape the weld, eliminate welding deformation, and improve the mechanical properties of the weld (e.g., weld strength). For example, the combination of the upper rolling bracket 2-1-8, the lower rolling bracket 2-1-9, and the rolling bracket base 2-1-1 can form a C-shaped rolling bracket, serving as the load-bearing base for rolling and the mounting bracket for other components. For example, the welding bracket 1-1 and the rolling bracket 2-1 can be arranged side by side, with a spacing of 200-500 mm. The short cylinder sheet can be fed from the side of the rolling bracket 2-1 away from the welding bracket 1-1, pass through the rolling bracket 2, and reach the welding bracket 1-1 for welding. For example, the weld rolling roller 2-2-3 can be made of a hard alloy with a hardness exceeding HRB150 (such as tool steel or die steel: Cr12MoV). The thickness of the weld rolling roller 2-2-3 can be in the range of 5 to 30 mm, and the diameter can be in the range of 30 to 150 mm. For example, the welding bracket 1-1 and the rolling bracket 2-1 can be fixedly set on the ground.

[0055] like Figure 1 and 5 As shown, according to one embodiment of the present invention, the welding bracket 1-1 has two steel plate support brackets 1-1-4 arranged side by side in the horizontal direction. The two steel plate support brackets 1-1-4 are spaced apart.

[0056] In this embodiment, for example, the steel plate support bracket 1-1-4 can be a steel support plate, providing a flat support surface for the steel plate to be welded. The interval between two steel plate support brackets 1-1-4 can be 40-80mm.

[0057] like Figure 1 and 12As shown, according to one embodiment of the present invention, welding upper support 1-1-8 and welding lower support 1-1-7 are respectively provided with welding upper guide rail 1-1-2 and welding lower guide rail 1-1-1 on their opposite end faces. Welding upper guide rail 1-1-2 is provided with upper welding component 1-9, and welding lower guide rail 1-1-1 is provided with lower welding component 1-8. Both upper welding component 1-9 and lower welding component 1-8 are provided with welding heads 1-9-3, so as to weld the longitudinal seam from the front and back of the steel plate respectively.

[0058] The welding equipment provided in this embodiment can achieve double-sided welding of butt joints. For example, the upper welding component 1-9 is fixedly connected to the slider of the upper welding guide rail 1-1-2, so that the slider drives the upper welding component 1-9 to perform linear reciprocating motion relative to the upper welding guide rail 1-1-2 within its effective stroke. The lower welding component 1-8 is fixedly connected to the slider of the lower welding guide rail 1-1-1, so that the slider drives the lower welding component to perform linear reciprocating motion relative to the lower welding guide rail 1-1-1 within its effective stroke. For example, the upper welding guide rail 1-1-2 and the lower welding guide rail 1-1-1 can be linear guide rails. The effective welding stroke of the upper welding guide rail 1-1-2 and the lower welding guide rail 1-1-1 can be the same. The effective stroke can be greater than the maximum length of the weld, for example, 800-1000 mm longer than the maximum length of the weld.

[0059] like Figure 1 As shown, according to one embodiment of the present invention, in addition to the upper welding bracket 1-1-8, the lower welding bracket 1-1-7, and the welding bracket base 1-1-5, the welding bracket 1-1 also includes at least one welding support column 1-1-6. The welding support column 1-1-6 is disposed in the width direction of the upper welding bracket 1-1-8 or the lower welding bracket 1-1-7. Figure 1 Both sides of the S2 direction.

[0060] In this embodiment, the welded support column 1-1-6 can increase the structural strength of the welded bracket 1-1, and can also be used to install other components. For example, the welded upper guide rail 1-1-2 and the welded lower guide rail 1-1-1 can be provided on the side of the welded support column 1-1-6.

[0061] like Figure 2 and 6 As shown, according to one embodiment of the present invention, in addition to the welding head 1-9-3, the upper welding component 1-9 also includes a vertical shaft 1-9-1 and a horizontal guide shaft 1-9-2. The vertical shaft 1-9-1 is movably disposed on the upper welding guide shaft 1-1-2. The horizontal guide shaft 1-9-2 is disposed on the side of the vertical shaft 1-9-1, and the welding head 1-9-3 is disposed on the lower end face of the horizontal guide shaft 1-9-2. The horizontal guide shaft 1-9-2 can move along the width direction of the upper welding guide shaft 1-1-2. Figure 1The welding head 1-9-3 slides relative to the vertical axis 1-9-1 in the S2 direction to align the welding head 1-9-3 with the longitudinal seam of the steel plate to be welded.

[0062] The welding equipment provided in this embodiment has a welding head 1-9-3 that can tack weld and weld the seam before welding. For example, the upper welding component 1-9 and the lower welding component 1-8 can have the same or substantially the same structure. For example, during welding, the upper welding component 1-9 and the lower welding component 1-8 can be arranged opposite each other and move synchronously to weld the butt joint of the steel plate from both sides. For example, the vertical shaft 1-9-1 can be fixedly connected to the slider of the upper welding guide rail 1-1-2. The transverse guide rail shaft 1-9-2 can be fixedly connected to the slider of the vertical shaft 1-9-1 on the side of the vertical shaft 1-9-1 to drive the welding head 1-9-3 in a direction perpendicular to the weld seam of the steel plate. Figure 2 The S3 direction, i.e. Figure 1 The welding head 1-9-3 can be set on the slider of the transverse guide shaft 1-9-2 to move in the direction perpendicular to the weld seam of the steel plate (in the S2 direction). Figure 2 (Move in the S3 direction).

[0063] like Figure 2 and 6 As shown, according to one embodiment of the present invention, in addition to the welding head 1-9-3, the vertical shaft 1-9-1, and the transverse guide shaft 1-9-2, the upper welding component 1-9 also includes a side-blowing component 1-9-5 and a coaxial air nozzle 1-9-6. The side-blowing component 1-9-5 is disposed beside the welding head 1-9-3. The side-blowing component 1-9-5 has a protective gas channel. Protective gas is supplied to the protective gas channel of the side-blowing component 1-9-5 to guide the protective gas from beside the welding head 1-9-3 to the weld, providing gas protection for the weld and preventing weld oxidation. The coaxial air nozzle 1-9-6 is coaxially disposed with the welding head 1-9-3. The coaxial air nozzle 1-9-6 has a protective gas channel. Protective gas is supplied to the protective gas channel of the coaxial air nozzle 1-9-6 to guide the protective gas along the axial direction of the welding head 1-9-3 to the weld, providing gas protection for the weld and preventing weld oxidation.

[0064] The welding equipment provided in this embodiment can provide gas protection on both sides of the longitudinal joint, which not only saves protective gas but also ensures the stability of the welding.

[0065] like Figure 2As shown, according to one embodiment of the present invention, in addition to the welding head 1-9-3, the vertical shaft 1-9-1, and the transverse guide shaft 1-9-2, the upper welding component 1-9 also includes a welding rolling mechanism. The welding rolling mechanism includes a welding rolling drive cylinder and a welding rolling wheel 1-9-4, which is rotatably connected to the telescopic rod of the welding rolling drive cylinder. Along the welding direction of the longitudinal seam of the steel plate butt joint, a welding rolling mechanism is respectively arranged before and after the welding head 1-9-3. Through the extension and retraction of the telescopic rod of the welding rolling drive cylinder, the welding rolling wheel 1-9-4 is driven to move closer to or away from the weld, thereby pressing the weld before and after the welding head 1-9-3.

[0066] In this embodiment, when the steel plate is assembled to form a weld, the extension rods of the welding rolling drive cylinders of the upper welding component 1-9 and the lower welding component 1-8 extend, pushing the welding rolling rollers 1-9-4 to move towards the weld from both sides of the steel plate, thereby eliminating misalignment of the weld in the thickness direction. For example, the welding rolling drive cylinder can be an electric cylinder.

[0067] like Figure 2 and 7 As shown, in addition to the welding head 1-9-3, the vertical shaft 1-9-1, and the transverse guide shaft 1-9-2, the upper welding component 1-9 also includes a light-blocking plate 1-9-7. The light-blocking plate 1-9-7 is disposed on the coaxial air nozzle 1-9-6 or the welding head 1-9-3. The light-blocking plate 1-9-7 is used to prevent the opposite lower welding component 1-8 or upper welding component 1-9 from burning during the welding of the weld seam by the upper welding component 1-9 and the lower welding component 1-8.

[0068] like Figure 1 and 5 As shown, according to one embodiment of the present invention, the welding bracket 1-1 is installed on each side along its length direction ( Figure 1 At least one clamping drive cylinder component 1-10 is provided in each of the S1 directions to clamp the steel plates on both sides of the longitudinal seam. The clamping drive cylinder component 1-10 includes a welding clamping drive cylinder and a welding clamping block. The welding clamping block is fixedly connected to the telescopic rod of the welding clamping drive cylinder. By extending or retracting the telescopic rod of the welding clamping drive cylinder, the welding clamping block is moved closer to or away from the steel plate.

[0069] In this embodiment, the clamping drive cylinder component 1-10 can clamp the steel plate during welding to prevent the steel plate from moving or deforming violently during the welding process. For example, the welding clamping drive cylinder can be a pneumatic cylinder. For example, in the width direction of the upper bracket 1-1-8 during welding ( Figure 1A clamping drive cylinder mounting bracket 1-1-3 is provided on each side of the S2 direction. The clamping drive cylinder mounting bracket 1-1-3 is used to install the clamping drive cylinder component 1-10. At least one welded support column 1-1-6 is provided on each side of the width direction of the welding bracket 1-1-8, and the clamping drive cylinder mounting bracket 1-1-3 can be set on the welded support column 1-1-6.

[0070] like Figure 1 , 5 As shown in Figures 8 and 12, according to one embodiment of the present invention, an outer positioning limiting component 1-3 and an inner positioning limiting component 1-2 are provided on the end face of the lower welding bracket 1-1-7 relative to the upper welding bracket 1-1-8. The outer positioning limiting component 1-3 includes: an outer positioning base 1-3-1, an outer positioning drive cylinder 1-3-2, and an outer positioning upper limit block 1-3-4. The outer positioning drive cylinder 1-3-2 is disposed on the outer positioning base 1-3-1, and the outer positioning upper limit block 1-3-4 is connected to the telescopic rod of the outer positioning drive cylinder 1-3-2 to adjust the height of the outer positioning upper limit block 1-3-4. The inner positioning limiting component 1-2 includes: an inner positioning base, an inner positioning drive cylinder, and an inner positioning upper limit block. The inner positioning drive cylinder is disposed on the inner positioning base, and the inner positioning upper limit block is connected to the telescopic rod of the inner positioning drive cylinder to adjust the height of the inner positioning upper limit block. The outer positioning base 1-3-1 and the inner positioning base are set on the welding lower bracket 1-1-7 and are movable relative to the welding lower bracket 1-1-7 so that the opposite end faces of the outer positioning-upper limit block 1-3-4 and the inner positioning-upper limit block respectively abut against the two ends of the longitudinal seam of the steel plate joint, so that the two steel plates to be welded are aligned.

[0071] In this embodiment, for example, the outer positioning limiting component 1-3 and the inner positioning limiting component 1-2 can be arranged opposite to each other, and their structures can be the same or substantially the same. The outer positioning limiting component 1-3 and the inner positioning limiting component 1-2 cooperate to complete the pre-welding assembly positioning of the steel plate, eliminating misalignment in the length direction of the steel plate weld. The outer positioning limiting component 1-3 and the inner positioning limiting component 1-2 can be arranged on the lower welding guide rail 1-1-1 and are movable relative to the lower welding guide rail 1-1-1 to adapt to the length of the steel plate. For example, the outer positioning base 1-3-1 can be connected to the slider of the lower welding guide rail 1-1-1, and the inner positioning base can be connected to the slider of the upper welding guide rail 1-1-2. The outer positioning drive cylinder 1-3-2 and the inner positioning drive cylinder can be electric cylinders.

[0072] like Figure 8-10 As shown, according to one embodiment of the present invention, along the width direction of the welded lower bracket ( Figure 1(In the S2 direction), one side of the outer positioning-upper limit block 1-3-4 and the corresponding side of the inner positioning-upper limit block are the positioning surfaces 1-3-6. When the steel plate is loaded to the welding bracket 1-1, the positions of the outer positioning limit component 1-3 and the inner positioning limit component 1-2 are adjusted along the lower welding guide rail 1-1-1 and the upper welding guide rail 1-1-2, respectively, and the position of the steel plate is adjusted so that the longitudinal seam of the steel plate to be welded is in contact with the positioning surfaces 1-3-6 of the outer positioning-upper limit block 1-3-4 and the inner positioning-upper limit block, so as to position the steel plate in the width direction of the welding bracket 1-1.

[0073] In this embodiment, for example, the positioning surface 1-3-6 can be a rectangular surface with a length of 40-80mm and a width of 30-50mm. For example, the first steel plate is loaded onto the welding bracket 1-1, and the positions of the outer positioning limiting component 1-3 and the inner positioning limiting component 1-2 are adjusted along the lower welding guide rail 1-1-1 and the upper welding guide rail 1-1-2, respectively. Then, the position of the steel plate is adjusted so that the longitudinal seam to be welded on the steel plate is aligned with the positioning surface 1-3-6 of the outer positioning-upper limit block 1-3-4 and the inner positioning-upper limit block, thus completing the alignment of the first steel plate in the width direction of the welding bracket 1-1. Figure 1 Positioning is performed in the S2 direction.

[0074] like Figure 8 and 10 As shown, according to one embodiment of the present invention, the opposite end faces of the outer positioning-upper limit block 1-3-4 and the inner positioning-upper limit block are the steel plate weld length direction limiting surfaces 1-3-7. The positions of the outer positioning-upper limit block 1-3-4 and the inner positioning-upper limit block are adjusted so that the steel plate weld length direction limiting surfaces 1-3-7 of both blocks are respectively attached to the two sides of the steel plate along its length direction, thereby eliminating misalignment along the steel plate length direction.

[0075] In this embodiment, for example, the weld seam length-direction limiting surface 1-3-7 of the steel plate can be a rectangular surface with a length of 30-50 mm and a width of 20-28 mm. For example, after the first steel plate is loaded (i.e., the longitudinal seam to be welded of the first steel plate is aligned with the positioning surface 1-3-6), the positions of the outer positioning limiting component 1-3 and the inner positioning limiting component 1-2 are adjusted so that they do not interfere with the loading of the second steel plate. When the second steel plate is transported to within 3-5 mm of the first steel plate, the positions of the outer positioning limiting component 1-3 and the inner positioning limiting component 1-2 are adjusted so that the weld seam length-direction limiting surfaces 1-3-7 of both components are aligned with the two sides of the steel plate along the length direction, thereby aligning the first and second steel plates in the weld seam length direction and eliminating misalignment in the weld seam length direction.

[0076] like Figure 8As shown, according to one embodiment of the present invention, in addition to the outer positioning base 1-3-1, the outer positioning drive cylinder 1-3-2, and the outer positioning upper limit block 1-3-4, the outer positioning limiting component 1-3 also includes an outer connecting plate 1-3-3 and an outer lower limit component 1-3-5. The outer connecting plate 1-3-3 is connected to the telescopic rod of the outer positioning drive cylinder 1-3-2. The outer positioning upper limit block 1-3-4 and the outer lower limit component 1-3-5 are disposed on the outer connecting plate 1-3-3. In addition to the inner positioning base, the inner positioning drive cylinder, and the inner positioning upper limit block, the inner positioning limiting component 1-2 also includes an inner connecting plate and an inner lower limit component. The inner connecting plate is connected to the telescopic rod of the inner positioning drive cylinder. The inner positioning upper limit block and the inner lower limit component are disposed on the inner connecting plate.

[0077] The outer lower limit component 1-3-5 and the inner lower limit component are arranged opposite to each other. Both the outer lower limit component 1-3-5 and the inner lower limit component include a lower limit drive cylinder and a lower limit block. The lower limit block is connected to the telescopic rod of the lower limit drive cylinder, and the height of the lower limit block is adjusted by extending and retracting the telescopic rod of the lower limit drive cylinder.

[0078] like Figure 8-10 As shown, the upper end of the outer positioning-upper limit block 1-3-4 extends towards the outer lower limit component 1-3-5. The lower end face of the extension is the upper plate thickness limit surface 1-3-8, and the upper end face of the lower limit block is the corresponding lower plate thickness limit surface 1-3-9. Correspondingly, the upper end of the inner positioning-upper limit block extends towards the inner lower limit component. The lower end face of the extension is the upper plate thickness limit surface 1-3-8, and the upper end face of the lower limit block is the corresponding lower plate thickness limit surface 1-3-9. The upper plate thickness limit surface 1-3-8 and the corresponding lower plate thickness limit surface 1-3-9 are respectively attached to the front and back sides of the steel plate to eliminate misalignment of the steel plate weld in the plate thickness direction.

[0079] In this embodiment, for example, after eliminating the misalignment along the length of the steel plate weld, the outer positioning drive cylinder 1-3-2 and the inner positioning drive cylinder are lowered to a specified height. Simultaneously, the lower limit drive cylinders of the outer lower limit component 1-3-5 and the inner lower limit component are raised to a specified height, ensuring that the upper plate thickness limit surface 1-3-8 and the corresponding lower plate thickness limit surface 1-3-9 are respectively in contact with the front and back surfaces of the steel plate (at this time, the distance between the upper plate thickness limit surface 1-3-8 and the corresponding lower plate thickness limit surface 1-3-9 is equal to the thickness of the steel plate). This makes the lower plate thickness limit surface 1-3-9 flush with the upper end surface of the steel plate support frame 1-1-4 (i.e., the support surface supporting the steel plate), thereby eliminating the misalignment of the plate thickness at both ends of the steel plate to be welded. For example, the lower limit drive cylinder can be an electric cylinder.

[0080] like Figure 10As shown, the upper end extension of the outer positioning-upper limit block 1-3-4, the upper end extension of the inner positioning-upper limit block, and the upper end face of the lower limit block of the inner positioning-limiting component 1-3 and the outer positioning-limiting component 1-2 are all provided with chamfers 1-3-10 at the steel plate loading point to facilitate steel plate loading.

[0081] like Figure 5 and 11 As shown, according to one embodiment of the present invention, the welding bracket 1-1 is in the width direction ( Figure 1 A left rolling conveyor 1-7 and a right rolling conveyor 1-6 are respectively arranged on both sides of the steel plate in the S2 direction. Both the left rolling conveyor 1-7 and the right rolling conveyor 1-6 include two rotatable pressing rollers 1-6-6. The two pressing rollers 1-6-6 arranged opposite each other are used to press the steel plate from both sides in the thickness direction to convey the steel plate to the welding equipment or to send the steel plate out of the welding equipment.

[0082] In this embodiment, the left rolling conveyor 1-7 and right rolling conveyor 1-6 of the welding equipment move the steel plate by rolling and pressing it with a pressing roller 1-6-6, thus achieving the loading or unloading of the steel plate. For example, the structures of the left rolling conveyor 1-7 and right rolling conveyor 1-6 can be the same or substantially the same. The pressing roller 1-6-6 can be a rubber roller. Four sets of left rolling conveyor 1-7 and four sets of right rolling conveyor 1-6 can be respectively installed on both sides of the welding bracket 1-1 in the width direction.

[0083] like Figure 11 As shown, according to one embodiment of the present invention, both the left rolling conveyor component 1-7 and the right rolling conveyor component 1-6 include an upper part and a lower part. The upper and lower parts have the same or substantially the same structure and are arranged symmetrically. The lower part structure includes a left power drive cylinder 1-6-2, a right power drive cylinder 1-6-1, a left connecting plate 1-6-4, a right connecting plate 1-6-3, and a drive motor 1-6-5. The left connecting plate 1-6-4 is connected to the telescopic rod of the left power drive cylinder 1-6-2. The right connecting plate 1-6-3 is connected to the telescopic rod of the right power drive cylinder 1-6-1. The two ends of the rolling roller 1-6-6 are rotatably connected to the left connecting plate 1-6-4 and the right connecting plate 1-6-3, respectively. The distance between the two corresponding rolling rollers 1-6-6 is adjusted by extending and retracting the telescopic rods of the left and right power drive cylinders 1-6-2 and 1-6-1 in the upper and lower parts, thereby adjusting the rolling pressure of the rolling rollers 1-6-6 on the steel plate. At least one end of the rolling roller 1-6-6 is connected to the rotating shaft of the drive motor 1-6-5. When the drive motor 1-6-5 starts, its rotating shaft drives the rolling roller 1-6-6 to rotate.

[0084] In this embodiment, for example, the left power drive cylinder 1-6-2 and the right power drive cylinder 1-6-1 can be electric cylinders. For example, the upper parts of the left rolling conveyor component 1-7 and the right rolling conveyor component 1-6 can be mounted on the clamping drive cylinder mounting bracket 1-1-3, and the lower parts can be mounted on the steel plate support bracket 1-1-4.

[0085] like Figure 1 , 12 As shown in Figures 13 and 12, according to one embodiment of the present invention, in addition to the welding bracket 1-1, the welding equipment also includes a lower anti-misalignment limiting component 1-5. The lower anti-misalignment limiting component 1-5 includes a base connecting plate 1-5-1, a telescopic drive cylinder component 1-5-2, a limiting connecting plate 1-5-3, a lower anti-misalignment limiting drive cylinder 1-5-4, and a lower anti-misalignment limiting block 1-5-5. The base connecting plate 1-5-1 is disposed on the lower end face of the steel plate support bracket 1-1-4. The telescopic drive cylinder component 1-5-2 is disposed on the base connecting plate 1-5-1 and extends along the width direction of the welding bracket 1-1 (…). Figure 1 The limit connecting plate 1-5-3 is connected to the telescopic rod of the telescopic drive cylinder component 1-5-2. The lower anti-misalignment limit drive cylinder 1-5-4 is set on the limit connecting plate 1-5-3 and is set in the vertical direction. The lower anti-misalignment limit block 1-5-5 is connected to the telescopic rod of the lower anti-misalignment limit drive cylinder 1-5-4. By extending and retracting the telescopic rod of the telescopic drive cylinder component 1-5-2, the limit connecting plate 1-5-3, the lower anti-misalignment limit drive cylinder 1-5-4, and the lower anti-misalignment limit block 1-5-5 extend or retract horizontally to approach or move away from the longitudinal seam of the steel plate. By extending and retracting the telescopic rod of the lower anti-misalignment limit drive cylinder 1-5-4, the lower anti-misalignment limit block 1-5-5 faces or moves away from the lower end face of the steel plate (i.e., the reverse side of the steel plate) to support or release the steel plate from the lower end face of the steel plate.

[0086] In this embodiment, the telescopic rod of the telescopic drive cylinder component 1-5-2 extends or retracts horizontally, allowing the limiting connecting plate 1-5-3, the lower anti-misalignment limit drive cylinder 1-5-4, and the lower anti-misalignment limit block 1-5-5 to avoid the lower welding component 1-8 and provide space for the moving welding of the lower welding component 1-8. The extension of the telescopic rod of the lower anti-misalignment limit drive cylinder 1-5-4 ensures that the contact surface between the lower anti-misalignment limit block 1-5-5 and the steel plate is at the same height as the support surface of the steel plate support frame 1-1-4.

[0087] For example, in the initial state of the lower anti-misalignment edge limiting component 1-5, the telescopic drive cylinder component 1-5-2 and the anti-misalignment edge limiting drive cylinder are in a retracted state. When it is necessary to support the steel plate, the telescopic rod of the telescopic drive cylinder component 1-5-2 extends, pushing the anti-misalignment edge limiting drive cylinder to the designated position. Then, the telescopic rod of the anti-misalignment edge limiting drive cylinder extends, extending the lower anti-misalignment edge limiting block 1-5-5, so that it fits against the lower end face of the steel plate and supports the steel plate to reach the preset position (i.e., raised above the support surface of the steel plate support bracket 1-1-4).

[0088] like Figure 1 , 12 According to one embodiment of the present invention, in addition to the welding bracket 1-1 and the lower anti-misalignment edge limiting component 1-5, the welding equipment also includes an upper anti-misalignment edge limiting component 1-4.

[0089] The upper anti-misalignment edge limiting component 1-4 includes a rotary motor 1-4-1, an L-shaped connecting rod 1-4-2, an upper anti-misalignment edge limiting drive cylinder 1-4-3, and an upper anti-misalignment edge limiting block 1-4-4. The rotary motor 1-4-1 is located on the upper end face of the clamping drive cylinder mounting bracket 1-1-3, and extends along the length of the clamping drive cylinder mounting bracket 1-1-3. Figure 1 The rotating rod of the rotary motor 1-4-1 is rotatably connected to one support rod of the L-shaped connecting rod 1-4-2. The upper anti-misalignment limit drive cylinder 1-4-3 is located on the side of the other support rod of the L-shaped connecting rod 1-4-2 and is set along the extension direction of the support rod. The upper anti-misalignment limit block 1-4-4 is connected to the telescopic rod of the upper anti-misalignment limit drive cylinder 1-4-3. When the rotary motor 1-4-1 is started, the rotating rod of the rotary motor 1-4-1 drives the L-shaped connecting rod 1-4-2 to move in a plane perpendicular to the length direction of the clamping drive cylinder mounting bracket 1-1-3 (in the S1 direction). Figure 15 The upper anti-misalignment limit drive cylinder 1-4-3 and the upper anti-misalignment limit block 1-4-4 rotate towards or away from the steel plate. When the other support rod of the L-shaped connecting rod 1-4-2 is in a vertical state, the telescopic rod of the upper anti-misalignment limit drive cylinder 1-4-3 extends or retracts, causing the upper anti-misalignment limit block 1-4-4 to face towards or away from the upper surface of the steel plate (i.e., the front of the steel plate), so as to press or release the steel plate from the upper surface of the steel plate.

[0090] In this embodiment, the telescopic rod of the upper anti-misalignment limit drive cylinder 1-4-3 extends, pushing the upper anti-misalignment limit block 1-4-4 to press the steel plate against the upper end face of the steel plate. This welding equipment, through the cooperation of the lower anti-misalignment limit component 1-5 and the upper anti-misalignment limit component 1-4, can eliminate misalignment in the thickness direction of the steel plate weld, ensuring the steel plate is horizontal and thus guaranteeing welding accuracy.

[0091] For example, when the lower anti-misalignment limiting component 1-5 is in the supporting steel plate state, the rotary motor 1-4-1 starts, driving the L-shaped connecting rod 1-4-2 to rotate so that the upper anti-misalignment limiting block 1-4-4 faces the weld of the steel plate (for example, the L-shaped connecting rod 1-4-2 is connected to the support rod of the rotary motor 1-4-1 and rotates 90° from the vertical state to the horizontal state). Then, the telescopic rod of the upper anti-misalignment limiting drive cylinder 1-4-3 extends, pushing the upper anti-misalignment limiting block 1-4-4 downward to press the steel plate from the upper end face of the steel plate, thereby eliminating the misalignment in the thickness direction of the steel plate and ensuring that the steel plate is in a horizontal state.

[0092] For example, the telescopic drive cylinder component 1-5-2 can be a pneumatic cylinder. The lower anti-misalignment limit drive cylinder 1-5-4 can be an electric cylinder. The base connecting plate 1-5-1 can be a rectangular plate, which can be installed on the lower end face of the steel plate support bracket 1-1-4 by screws. The upper anti-misalignment limit block 1-4-4 can be a rectangular block with a length of 50-100mm, a width of 30-50mm, and a thickness of 20-40mm. The upper anti-misalignment limit block 1-4-4 is used to chamfer the end face side of the steel plate. The welding equipment can include four sets of lower anti-misalignment limit components 1-5 and four sets of upper anti-misalignment limit components 1-4.

[0093] like Figure 14 and 15 As shown, according to one embodiment of the present invention, in addition to the rotary motor 1-4-1, the L-shaped connecting rod 1-4-2, the upper anti-misalignment limit drive cylinder 1-4-3, and the upper anti-misalignment limit block 1-4-4, the upper anti-misalignment limit component 1-4 also includes a limiting drive cylinder 1-4-5 and a C-shaped block 1-4-6. The limiting drive cylinder 1-4-5 is disposed on the upper end face of the pressing drive cylinder mounting bracket 1-1-3. The C-shaped block 1-4-6 is connected to the telescopic rod of the limiting drive cylinder 1-4-5, and the opening of the C-shaped block 1-4-6 faces the L-shaped connecting rod 1-4-2. When the upper anti-misalignment limit block 1-4-4 presses against the steel plate from the upper end face of the steel plate, the telescopic rod of the limiting drive cylinder 1-4-5 extends, causing the opening of the C-shaped block 1-4-6 to lock the upper and lower end faces of one support rod of the L-shaped connecting rod 1-4-2, providing support for the L-shaped connecting rod 1-4-2.

[0094] In this embodiment, when the upper anti-misalignment limiting block 1-4-4 presses against the steel plate from the upper end of the steel plate, the opening of the C-shaped block 1-4-6 engages one of the support rods of the L-shaped connecting rod 1-4-2, providing a supporting force to the L-shaped connecting rod 1-4-2 and restricting its rotation. This ensures that when the upper anti-misalignment limiting drive cylinder 1-4-3 pushes out the upper anti-misalignment limiting block 1-4-4, the upper anti-misalignment limiting block 1-4-4 can apply sufficient pressure to the steel plate to cooperate with the lower anti-misalignment limiting component 1-5 to eliminate misalignment in the thickness direction of the steel plate. For example, the limiting drive cylinder 1-4-5 can be a cylinder.

[0095] like Figure 4 As shown, according to one embodiment of the present invention, the compaction bracket 2-1 has two lower support brackets 2-1-5 arranged side by side in the horizontal direction. The two lower support brackets 2-1-5 are spaced apart.

[0096] like Figure 4 and 17 As shown, according to one embodiment of the present invention, upper rolling support 2-1-8 and lower rolling support 2-1-9 are respectively provided with upper rolling guide rail 2-1-3 and lower rolling guide rail 2-1-2 on their opposite end faces. Upper rolling guide rail 2-1-3 is provided with an upper rolling component 2-3 that can move relative to it. Lower rolling guide rail 2-1-2 is provided with a lower rolling component 2-2 that can move relative to it. Both upper rolling component 2-3 and lower rolling component 2-2 are provided with weld seam rolling wheels 2-2-3 to roll the longitudinal seam from both sides of the steel plate, respectively.

[0097] In this example, for instance, the upper rolling component 2-3 is fixedly connected to the slider of the upper rolling guide rail 2-1-3, so that the slider drives the upper rolling component 2-3 to perform linear reciprocating motion relative to the upper rolling guide rail 2-1-3 within its effective stroke. The lower rolling component 2-2 is fixedly connected to the slider of the lower rolling guide rail 2-1-2, so that the slider drives the lower rolling component 2-2 to perform linear reciprocating motion relative to the lower rolling guide rail 2-1-2 within its effective stroke. For example, the upper rolling guide rail 2-1-3 and the lower rolling guide rail 2-1-2 can be linear guide rails. The effective welding stroke of the upper rolling guide rail 2-1-3 and the lower rolling guide rail 2-1-2 can be the same. The effective stroke can be greater than the maximum length of the weld, for example, 800 to 1000 mm longer than the maximum length of the weld.

[0098] In addition, the two steel plate support brackets 1-1-4 are spaced apart, providing movement space for the leveling rollers and welding heads of the lower welding component 1-8 and the upper welding component 1-9, as well as the inner positioning and limiting component 1-2, the outer positioning and limiting component 1-3, the upper anti-misalignment limiting component 1-4, and the lower anti-misalignment limiting component 1-5. The two lower support brackets 2-1-5 are spaced apart, providing movement space for the weld seam rolling roller 2-2-3 of the upper rolling component 2-3 and the lower rolling component 2-2.

[0099] like Figure 4 and 17As shown, according to one embodiment of the present invention, the lower rolling component 2-2 includes a rolling drive cylinder 2-2-1, a rolling connecting component 2-2-2, and a weld seam rolling wheel 2-2-3. The rolling drive cylinder 2-2-1 is movably mounted on the lower rolling guide rail 2-1-2. The rolling connecting component 2-2-2 is connected to the telescopic rod of the rolling drive cylinder 2-2-1. The weld seam rolling wheel 2-2-3 is located at the end of the rolling connecting component 2-2-2 away from the rolling drive cylinder 2-2-1 and is rotatably connected to the rolling connecting component 2-2-2. By extending and retracting the telescopic rod of the rolling drive cylinder 2-2-1, the weld seam rolling wheel 2-2-3 is moved closer to or further away from the longitudinal seam of the steel plate to roll or release the longitudinal seam of the steel plate.

[0100] In this embodiment, the upper rolling component 2-3 and the lower rolling component 2-2 cooperate to roll the weld from both sides of the steel plate. The structures of the upper rolling component 2-3 and the lower rolling component 2-2 can be the same or substantially the same. For example, the rolling drive cylinder 2-2-1 can be an electric cylinder to provide a strong thrust to the weld rolling wheel 2-2-3. For example, the rolling connecting component 2-2-2 can be equipped with a bushing, and the weld rolling wheel 2-2-3 is rotatably connected to the bushing to transmit the thrust of the rolling drive cylinder 2-2-1 to the steel plate.

[0101] like Figure 4 As shown, according to one embodiment of the present invention, in addition to the upper rolling support 2-1-8, the lower rolling support 2-1-9, and the rolling support base 2-1-1, the rolling support 2-1 also includes at least one rolling support column 2-1-7. The rolling support column 2-1-7 is disposed in the width direction of the upper rolling support 2-1-8 or the lower rolling support 2-1-9. Figure 4 (in the S5 direction) on both sides.

[0102] In this embodiment, the compaction support column 2-1-7 can reduce its counterweight while ensuring the structural strength of the compaction bracket 2-1. The compaction support column 2-1-7 can also be used to install other components. For example, the lower support bracket 2-1-5 can be installed on the side of the compaction support column 2-1-7.

[0103] like Figure 4 and 18 As shown, according to one embodiment of the present invention, the rolling support 2-1 has a length direction on each side ( Figure 4 At least one clamping component 2-4 is provided in each of the S4 directions to clamp the steel plates on both sides of the longitudinal joint. The clamping component 2-4 includes a rolling clamping drive cylinder and a rolling clamping block, and the rolling clamping block is fixedly connected to the telescopic rod of the rolling clamping drive cylinder. By extending or retracting the telescopic rod of the rolling clamping drive cylinder, the rolling clamping block is moved closer to or away from the steel plate.

[0104] In this embodiment, the clamping component 2-4 can press the steel plate firmly against the support surface of the lower support bracket 2-1-5 during rolling, preventing the steel plate from moving or deforming violently during the rolling process. For example, the rolling and clamping drive cylinder can be a cylinder. For example, in the width direction of the upper support bracket 2-1-8 ( Figure 4 A drive cylinder base bracket 2-1-4 is provided on each side of the roller (in the S5 direction). The drive cylinder base bracket 2-1-4 is used to install the clamping component 2-4. For example, at least one roller support column 2-1-7 is provided on each side of the roller support 2-1-8 in the width direction, and the drive cylinder base bracket 2-1-4 can be provided on the roller support column 2-1-7.

[0105] like Figure 4 As shown, according to one embodiment of the present invention, in addition to the upper rolling support 2-1-8, the lower rolling support 2-1-9, and the rolling support base 2-1-1, the rolling support 2-1 also includes a locking component 2-1-6. The locking component 2-1-6 is used to connect the upper rolling support 2-1-8 and the lower rolling support 2-1-9 to lock them together.

[0106] In this embodiment, locking component 2-1-6 is used to lock the upper rolling support 2-1-8 and the lower rolling support 2-1-9, preventing the rolling support 2-1 from being stretched open during rolling. For example, locking component 2-1-6 can be provided on the side of the rolling support column 2-1-7. The width direction of the rolling support 2-1 ( Figure 4 A set of locking components 2-1-6 can be installed on each side of the S5 direction.

[0107] like Figure 18-21 As shown, according to one embodiment of the present invention, a set of feeding and positioning components 2-5 are respectively provided for the upper rolling support 2-1-8 and the lower rolling support 2-1-9. The feeding and positioning component 2-5 includes a positioning guide rail 2-5-1 and a feeding positioning block 2-5-2, the feeding positioning block 2-5-2 being movably disposed relative to the positioning guide rail 2-5-1. The positioning guide rail 2-5-1 is along the length direction of the rolling support 2-1 (…). Figure 4 The loading and positioning component 2-5 is set on the side of the rolling support 2-1 away from the welding support 1-1. During loading, the upper and lower loading and positioning components 2-5 clamp the steel plate from the front and back sides respectively. By adjusting the position of the loading and positioning block 2-5-2 relative to the positioning guide rail 2-5-1, the steel plate is longitudinally positioned during loading.

[0108] In this embodiment, the feeding and positioning component 2-5 can position the plate material for feeding. Furthermore, the feeding and positioning component 2-5 can also push the steel plate or short cylinder out from the C-shaped opening of the C-shaped rolling support. For example, a positioning guide rail 2-5-1 can be equipped with two sets of feeding and positioning blocks 2-5-2 that can slide relative to it, to press the steel plate at both ends near the longitudinal seam length direction. The positioning guide rail 2-5-1 can be a linear guide rail, equipped with two sets of sliders, each set of which is equipped with a feeding and positioning block 2-5-2. For example, the positioning guide rail 2-5-1 of the feeding and positioning component 2-5 on the upper rolling support 2-1-8 can be located on the rolling support column 2-1-7, and correspondingly, the positioning guide rail 2-5-1 of the feeding and positioning component 2-5 on the lower rolling support 2-1-9 can be located on the drive cylinder base support 2-1-4.

[0109] like Figure 21 As shown, according to one embodiment of the present invention, the loading positioning block 2-5-2 includes a loading base 2-5-2-1, a loading adapter plate 2-5-2-2, a loading drive cylinder 2-5-2-3, and a positioning block 2-5-2-4. One side of the loading base 2-5-2-1 is disposed on the positioning guide rail 2-5-1, and the loading adapter plate 2-5-2-2 is disposed on the side of the loading base 2-5-2-1 away from the positioning guide rail 2-5-1. The loading base 2-5-2-1 is slidably disposed relative to the positioning guide rail 2-5-1. The loading drive cylinder 2-5-2-3 is disposed on the loading adapter plate 2-5-2-2 and is arranged vertically. The positioning block 2-5-2-4 is connected to the telescopic rod of the loading drive cylinder 2-5-2-3. Through the extension and retraction of the telescopic rod of the loading drive cylinder 2-5-2-3, the positioning block 2-5-2-4 is directed towards or away from the steel plate.

[0110] like Figure 1 and 5 As shown, according to one embodiment of the present invention, a set of material feeding and positioning components 1-11 is respectively provided for the upper welding bracket 1-1-8 and the lower welding bracket 1-1-7. The material feeding and positioning components 1-11 are located on the side of the welding bracket 1-1 away from the rolling bracket 2-1. The material feeding and positioning components 1-11 are used for material feeding and positioning of the sheet metal.

[0111] In this embodiment, the structure of the unloading positioning component 1-11 can be the same as or substantially the same as the structure of the loading positioning component 2-5. For example, the unloading positioning component 1-11 includes a positioning guide rail and an unloading positioning block. The positioning guide rail runs along the length direction of the welding bracket 1-1 ( Figure 1(S1 direction) Setting. During material unloading, the upper and lower sets of unloading positioning components 1-11 clamp the steel plate from both sides. By adjusting the position of the unloading positioning blocks relative to the positioning guide rail, the steel plate is longitudinally positioned during unloading. For example, a positioning guide rail can be equipped with two sets of unloading positioning blocks that can slide relative to it, so as to press the steel plate at both ends near the longitudinal seam length direction. For example, the unloading positioning component 1-11 can be installed on the welded support column 1-1-6.

[0112] like Figure 18 and 22 As shown, according to one embodiment of the present invention, the compaction component 2 further includes a steel plate guide component 2-6. The steel plate guide component 2-6 includes a guide drive cylinder 2-6-1, a guide plate 2-6-2, and a guide wheel 2-6-3. The guide drive cylinder 2-6-1 is located on the side of the compaction support 2-1 away from the welding support 1-1 and is arranged vertically. The guide wheel 2-6-3 is connected to the telescopic rod of the guide drive cylinder 2-6-1. The guide plate 2-6-2 is located on the side of the guide drive cylinder 2-6-1 away from the compaction support 2-1 to guide the steel plate to the guide wheel 2-6-3. By extending and retracting the telescopic rod of the guide drive cylinder 2-6-1, the guide wheel 2-6-3 is moved closer to or further away from the steel plate to guide the steel plate to the compaction station.

[0113] In this embodiment, the guiding component, through the cooperation of guide plate 2-6-2 and guide wheel 2-6-3, can guide the steel plate during loading. For example, the guide drive cylinder 2-6-1 can be an electric cylinder. The guiding surface of guide plate 2-6-2 is adapted to the loading direction of the steel plate. For example, guide plate 2-6-2 can be a right-angled triangular steel plate, whose inclined surface is the guiding surface of the steel plate. For example, guide drive cylinder 2-6-1 can be installed on the side of drive cylinder base bracket 2-1-4 away from the upper rolling bracket 2-1-8. Guide wheel 2-6-3 can be made of common hard alloy (e.g., 45# steel or tool steel, etc.). Along the length direction of upper rolling bracket 2-1-8 ( Figure 1 (In the S1 direction) 4 sets of steel plate guide components 2-6 can be set.

[0114] For example, when the telescopic rod of the feeding drive cylinder 2-5-2-3 extends to its limit position, the positioning block 2-5-2-4 can contact the steel plate to be fed (e.g., transferred from the transfer component), and the positioning block 2-5-2-4 determines the vertical position of the feeding steel plate relative to the rolling support 2-1. When the telescopic rod of the feeding drive cylinder 2-5-2-3 retracts (e.g., retracts to the middle stroke), the positioning block 2-5-2-4 can guide the steel plate to adjust the relative position of the steel plate and the guide component.

[0115] In this utility model, the aforementioned components, assemblies, or parts can be connected and fixed by means of screws, riveting, welding, etc., and this utility model does not impose specific limitations on this. For example, the anti-misalignment limit drive cylinder can be fixedly connected to the limit connecting plate 1-5-3 by screws, the upper anti-misalignment limit drive cylinder 1-4-3 can be fixedly connected to the L-shaped connecting rod 1-4-2 by screws, the positioning base 1-3-1 can be locked to the slider of the welded lower guide rail 1-1-1 by screws, the loading base 2-5-2-1 can be locked to the slider of the positioning guide rail 2-5-1 by screws, the loading connecting plate 2-5-2-2 can be locked to the loading base 2-5-2-1 by screws, the loading drive cylinder 2-5-2-3 can be locked to the loading connecting plate 2-5-2-2 by screws, the guide drive cylinder 2-6-1 can be installed on the drive cylinder base bracket 2-1-4 by screws, and the guide plate 2-6-2 can be locked to the guide drive cylinder 2-6-1 by screws, etc.

[0116] The above embodiments of this utility model can be combined with each other and have corresponding technical effects.

[0117] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. Welding equipment for butt welding longitudinal seams of large plates in rocket propellant tank sections, characterized in that, include: Welding brackets; The welding support includes: an upper welding support, a lower welding support, and a welding support base; The upper welding bracket and the lower welding bracket are fixedly connected by the welding bracket base; the welding bracket is provided with a steel plate support bracket, which is used to support the steel plate; at least one of the opposite end faces of the upper welding bracket and the lower welding bracket is provided with a welding head that is movable along its length direction, so as to weld the longitudinal seam of the steel plate to be welded to form a tank section.

2. The welding equipment according to claim 1, characterized in that, The upper welding support and the lower welding support are respectively provided with upper welding guide rail and lower welding guide rail on their opposite end faces; the upper welding guide rail is provided with an upper welding component, and the lower welding guide rail is provided with a lower welding component; both the upper welding component and the lower welding component are provided with welding heads to weld the longitudinal seam from the front and back of the steel plate respectively.

3. The welding equipment according to claim 2, characterized in that, The upper welding component further includes a vertical shaft and a horizontal guide shaft; wherein, the vertical shaft is movably disposed on the upper welding guide rail; the horizontal guide shaft is disposed on the side of the vertical shaft, and the welding head is disposed on the lower end face of the horizontal guide shaft; the horizontal guide shaft can slide relative to the vertical shaft along the width direction of the upper welding guide rail to drive the welding head to align with the longitudinal seam of the steel plate to be welded.

4. The welding equipment according to claim 3, characterized in that, The upper welding component also includes a welding rolling mechanism; the welding rolling mechanism includes a welding rolling drive cylinder and a welding rolling wheel; the welding rolling wheel is rotatably connected to the telescopic rod of the welding rolling drive cylinder; along the welding direction of the longitudinal seam of the steel plate butt joint, one welding rolling mechanism is respectively arranged before and after the welding head; by extending and retracting the telescopic rod of the welding rolling drive cylinder, the welding rolling wheel is driven to move closer to or away from the weld, so as to press the weld before and after the welding head respectively.

5. The welding equipment according to claim 1, characterized in that, Each side of the welding bracket is provided with at least one clamping drive cylinder component along its length to clamp the steel plate on both sides of the longitudinal seam. The clamping drive cylinder component includes a welding clamping drive cylinder and a welding clamping block. The welding clamping block is fixedly connected to the telescopic rod of the welding clamping drive cylinder. By extending or retracting the telescopic rod of the welding clamping drive cylinder, the welding clamping block is moved closer to or away from the steel plate.

6. The welding equipment according to claim 1, characterized in that, The lower welding bracket is provided with an outer positioning limiting component and an inner positioning limiting component on its end face relative to the upper welding bracket; The external positioning and limiting component includes: an external positioning base, an external positioning drive cylinder, and an external positioning upper limit block; the external positioning drive cylinder is disposed on the external positioning base, and the external positioning upper limit block is connected to the telescopic rod of the external positioning drive cylinder to adjust the height of the external positioning upper limit block; The inner positioning and limiting component includes: an inner positioning base, an inner positioning drive cylinder, and an inner positioning upper limit block; the inner positioning drive cylinder is disposed on the inner positioning base, and the inner positioning upper limit block is connected to the telescopic rod of the inner positioning drive cylinder to adjust the height of the inner positioning upper limit block; The outer positioning base and the inner positioning base are disposed on the lower welding bracket and are movable relative to the lower welding bracket, so that the opposite end faces of the outer positioning-upper limit block and the inner positioning-upper limit block respectively abut against the two ends of the longitudinal seam of the steel plate joint, so that the two steel plates to be welded are aligned.

7. The welding equipment according to claim 6, characterized in that, The outer positioning and limiting component further includes an outer connecting plate and an outer lower limiting component; the outer connecting plate is connected to the telescopic rod of the outer positioning drive cylinder; the outer positioning upper limit block and the outer lower limiting component are disposed on the outer connecting plate; the inner positioning and limiting component further includes an inner connecting plate and an inner lower limiting component; the inner connecting plate is connected to the telescopic rod of the inner positioning drive cylinder; the inner positioning upper limit block and the inner lower limiting component are disposed on the inner connecting plate; The outer lower limit component and the inner lower limit component are arranged opposite to each other; both the outer lower limit component and the inner lower limit component include a lower limit drive cylinder and a lower limit block; the lower limit block is connected to the telescopic rod of the lower limit drive cylinder, and the height of the lower limit block is adjusted by telescopically extending and retracting the telescopic rod of the lower limit drive cylinder. The upper end of the outer positioning-upper limit block extends toward the outer lower limit component; the lower end face of the extension is the upper plate thickness limiting surface, and the upper end face of the lower limit block is the corresponding lower plate thickness limiting surface; correspondingly, the upper end of the inner positioning-upper limit block extends toward the inner lower limit component; the lower end face of the extension is the upper plate thickness limiting surface, and the upper end face of the lower limit block is the corresponding lower plate thickness limiting surface; the upper plate thickness limiting surface and the corresponding lower plate thickness limiting surface respectively fit the front and back of the steel plate to eliminate the misalignment of the steel plate weld in the plate thickness direction.

8. The welding equipment according to claim 1, characterized in that, A left rolling conveyor and a right rolling conveyor are respectively provided on both sides of the welding support in the width direction; both the left rolling conveyor and the right rolling conveyor include two rotatable pressing rollers; the two pressing rollers arranged opposite each other are used to press the steel plate from both sides in the thickness direction to transport the steel plate to the welding equipment or send the steel plate out of the welding equipment.

9. The welding equipment according to claim 1, characterized in that, It also includes a lower anti-misalignment limiting component; the lower anti-misalignment limiting component includes a base connecting plate, a telescopic drive cylinder component, a limiting connecting plate, a lower anti-misalignment limiting drive cylinder, and a lower anti-misalignment limiting block; the base connecting plate is disposed on the lower end face of the steel plate support bracket; the telescopic drive cylinder component is disposed on the base connecting plate and is arranged along the width direction of the welded bracket; the limiting connecting plate is connected to the telescopic rod of the telescopic drive cylinder component; the lower anti-misalignment limiting drive cylinder is disposed on the limiting connecting plate. It is set vertically; the lower anti-misalignment limit block is connected to the telescopic rod of the lower anti-misalignment limit drive cylinder; by extending and retracting the telescopic rod of the telescopic drive cylinder component, the limit connecting plate, the lower anti-misalignment limit drive cylinder and the lower anti-misalignment limit block extend or retract horizontally to approach or move away from the longitudinal seam of the steel plate; by extending and retracting the telescopic rod of the lower anti-misalignment limit drive cylinder, the lower anti-misalignment limit block faces or moves away from the lower end face of the steel plate to support or release the steel plate from the lower end face of the steel plate.

10. The welding equipment according to claim 1, characterized in that, It also includes an upper anti-misalignment limiting component; the upper anti-misalignment limiting component includes a rotary motor, an L-shaped connecting rod, an upper anti-misalignment limiting drive cylinder, and an upper anti-misalignment limiting block; a clamping drive cylinder mounting bracket is respectively provided on both sides along the width direction of the welded upper bracket; the rotary motor is provided on the upper end face of the clamping drive cylinder mounting bracket and is provided along the length direction of the clamping drive cylinder mounting bracket; the rotating rod of the rotary motor is rotatably connected to one support rod of the L-shaped connecting rod; the upper anti-misalignment limiting drive cylinder is provided on the side of the other support rod of the L-shaped connecting rod and is provided along the extension direction of the support rod. The upper anti-misalignment limit block is connected to the telescopic rod of the upper anti-misalignment limit drive cylinder. The rotary motor is started, driving the rotating rod to rotate the L-shaped connecting rod in a plane perpendicular to the length direction of the clamping drive cylinder mounting bracket, so that the upper anti-misalignment limit drive cylinder and the upper anti-misalignment limit block rotate toward or away from the steel plate. When the other support of the L-shaped connecting rod is in a vertical state, the telescopic rod of the upper anti-misalignment limit drive cylinder extends or retracts, causing the upper anti-misalignment limit block to move toward or away from the upper surface of the steel plate, thus clamping or releasing the steel plate from its upper surface.

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