Auxiliary welding device for long-span steel arcade

Abstract

The application discloses a kind of large-span steel arcade auxiliary welding device, belong to welding technical field.The welding device ontology is included, and the side of welding device ontology is equipped with detection mechanism and locking mechanism respectively;In the application, detection mechanism integrates spring reset rod one, detection rod and ball, can move detection along the curve of steel arcade welding area in real time, avoids traditional manual measurement error and inconvenience, and sliding support is driven by motor drive screw, and the ball on detection rod is tightly attached to steel arcade surface, realizes continuous, accurate curve tracking, compared with traditional point measurement mode, welding device ontology can realize whole process dynamic detection of weld, timely discovers the deviation of weld due to installation error, foundation settlement or stress deformation, improves detection coverage and precision, easy to operate, and one person can complete long distance detection, significantly improves construction efficiency and safety.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of welding, and particularly relates to an auxiliary welding device for a large-span steel arcade. BACKGROUND

[0002] With the wide application of large-span steel structures in modern construction engineering, steel arcades are often used in structural scenes such as station halls, exhibition halls, large workshops and bridges due to their large span, complex curved surface and high installation position. In order to ensure the overall stability and safety of the structure, the welding quality of the steel arcade is particularly critical.

[0003] In practice, there are still some problems:

[0004] 1. The existing welding detection of large-span steel arcades is mostly carried out by manual methods or simple handheld detectors for local point detection. This traditional method has many shortcomings. First, manual detection needs to rely on the observation and operation experience of the welder himself, which not only has limited detection coverage, but also cannot master the curve changes of the whole weld in real time, and is prone to miss detection of quality problems such as weld offset or non-compliance of the radius. Secondly, the handheld detection tool needs the operator to repeatedly measure in high altitude or narrow space, which has high safety risk, and the detection data lacks continuity, making it difficult to trace and analyze the welding quality subsequently. In addition, the existing part of the automatic detection device is mostly single-point sensing or infrared laser measurement, which is greatly affected by the environment such as welding smoke and high temperature on site, and has poor stability and adaptability, and cannot accurately track the weld curve on the complex curved surface.

[0005] 2. Most traditional welding equipment relies on manual support, temporary clamps or fixed supports for position locking. These simple structures often cannot cope with the complex and variable working conditions on the construction site of large-span steel arcades. First, the traditional locking device usually cannot flexibly adjust the clamping force according to the different curved shapes and stress states of the steel arcade, and excessive locking can easily damage the surface of the structure. If the locking is not firm, it is easy to cause the equipment to slip due to vibration or wind force. Secondly, there is a lack of effective buffer and vibration absorption measures. When the equipment is used for a long time in high places or vibrating environment, the locking position is easy to loosen, which affects the welding precision and even causes safety hazards. In addition, the disassembly and assembly of part of the existing locking structure are complex, which needs a lot of manual operation, and it takes a lot of time and effort to reposition in the field, which reduces the construction efficiency.

[0006] Therefore, the present application designs an auxiliary welding device for a large-span steel arcade to solve the above problems. SUMMARY

[0007] The purpose of the present application is to solve the problems of discontinuous welding detection of large-span steel arcades, high risk and poor adaptability of traditional welding locking structure, and to propose an auxiliary welding device for a large-span steel arcade.

[0008] In order to achieve the above object, the present application adopts the following technical scheme:

[0009] The utility model provides a large -span steel arcade auxiliary welding device, including welding device body, and one side of welding device body is equipped with detection mechanism and locking mechanism respectively,

[0010] Detection mechanism, the detection mechanism includes spring reset rod no. 1, detection rod, ball and U type connecting plate, the top fixed connection of free end of spring reset rod no. 1 has connecting rod, the top of connecting rod and the bottom of U type connecting plate are fixedly connected, the free end of spring reset rod no. 1 and the inside of detection rod are fixedly connected, and the inside of detection rod is rotatably connected with ball;

[0011] Locking mechanism, the locking mechanism includes spring reset rod no. 2, clamping plate and buffer plate, the inside of spring reset rod no. 2 is fixedly connected with the inside of clamping plate, and the outside of clamping plate is fixedly connected with buffer plate.

[0012] As a further description of the above technical scheme:

[0013] The bottom of welding device body is connected with bottom plate, one side of the top of bottom plate is fixedly connected with support arm, the top of support arm is fixedly connected with motor, and the output end of motor is fixedly connected with lead screw.

[0014] As a further description of the above technical scheme:

[0015] One end of lead screw is rotatably connected with fixed vertical plate, the bottom of fixed vertical plate is fixedly connected to the top of bottom plate, the inside of fixed vertical plate is fixedly connected with slide rod, and one end of slide rod is fixedly connected to the inside of support arm.

[0016] As a further description of the above technical scheme:

[0017] The middle part of lead screw is threadedly connected with sliding support, the bottom of sliding support is slidably connected with slide rod, the top of sliding support is fixedly connected with guide rail, the inside of guide rail is slidably connected with slide block no. 1 and slide block no. 2 respectively, and the inside of slide block no. 1 and the inside of slide block no. 2 are rotatably connected with roll rod.

[0018] As a further description of the above technical scheme:

[0019] The bottom of slide block no. 1 is fixedly connected with electric telescopic rod, the free end of electric telescopic rod is fixedly connected with the top of slide block no. 2, and the outside of slide block no. 1 is fixedly connected with linkage rod.

[0020] As a further description of the above technical scheme:

[0021] One end of the linkage rod is fixedly connected with a mounting seat, the top end of the mounting seat is fixedly connected with an audible and visual alarm, the back side of the mounting seat is fixedly connected with a bearing rod, one end of the bearing rod is fixedly connected with the back side of a spring return rod one, the upper surface of the spring return rod one is fixedly connected to the bottom end of the mounting seat, the inner side of the mounting seat is fixedly connected with a base, the top end of the base is fixedly connected with a double-end trigger switch.

[0022] As a further description of the above technical solution:

[0023] The double-end trigger switch is electrically connected with the audible and visual alarm, the inner side of the U-shaped connecting plate is connected with two adjusting rods, and one end of the two adjusting rods is respectively matched with two trigger ends of the double-end trigger switch.

[0024] As a further description of the above technical solution:

[0025] The inner side of the fixed vertical plate is vertically and slidably connected with a supporting plate, the inner side of the supporting plate is fixedly connected with a marking plate, the bottom end of the mounting seat is fixedly connected with a bearing plate, the top end of the bearing plate is fixedly connected to the bottom end of the supporting plate, the bottom end of the detection rod is fixedly connected with a marking pen, and the bottom end of the marking pen is attached to the surface of the marking plate.

[0026] As a further description of the above technical solution:

[0027] The top end of the bottom plate is fixedly connected with a supporting leg, one end of the supporting leg is fixedly connected with an electric push rod, one end of the electric push rod is fixedly connected with a fixed plate, the top end of the bottom plate is fixedly connected with a supporting frame, the top end of the supporting frame is fixedly connected with an extension support, and the bottom end of the fixed plate is fixedly connected to the top end of the extension support.

[0028] As a further description of the above technical solution:

[0029] The free end of the electric push rod penetrates through the fixed plate and is fixedly connected with a push plate, the inner side of the push plate is fixedly connected with a limiting rod, one end of the limiting rod penetrates through the fixed plate, and the inner side of the push plate is fixedly connected with the back surface of a spring return rod two.

[0030] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0031] 1. In the application, the detection mechanism integrates spring return rod, detection rod and ball, which can move along the curve of the steel arcade welding area in real time, avoiding the measurement error and inconvenience of traditional manual measurement. The motor drives the sliding support through the screw rod, and the ball on the detection rod is tightly attached to the surface of the steel arcade, realizing continuous and accurate curve tracking. Compared with the traditional point measurement method, the welding device body can realize full-process dynamic detection of the weld, timely detect the offset of the weld caused by installation error, foundation settlement or stress deformation, improve the detection coverage and accuracy, and is easy to operate. One person can complete long-distance detection, significantly improving construction efficiency and safety. During the detection process, the ball automatically compensates for the displacement of the detection rod caused by curve changes with the spring return rod, avoiding detection failure. The free rolling of the ball adapts to the small convex and concave surface, ensuring continuous and uninterrupted signal, effectively preventing missed detection and false detection. When the detection rod moves, the adjusting rod triggers the double-end trigger switch, and the sound and light alarm reminds the operator to adjust in time, reducing welding errors. The intelligent response is fast, the detection process is intuitive and efficient, the frequency of manual detection and labor input is reduced, the quality of the weld is guaranteed, and the marking plate and marking pen are added to record the displacement trajectory of the steel arcade in real time, facilitating later weld correction and quality tracing. This physical trace recording avoids human misjudgment and rework caused by relying solely on sound and light alarms, saves mapping and data sorting time, and ensures the high integration of detection and construction, improving welding accuracy and efficiency.

[0032] 2. In the application, the locking mechanism cooperates with spring return rod two, clamping plate and buffer plate to realize stable positioning of the welding device body, effectively resisting the slight displacement caused by vibration, wind and construction interference during welding, ensuring detection accuracy and weld straightness. The traditional device locking structure is unstable, and frequent manual adjustment is required during construction, affecting continuous operation. The clamping plate combines the vibration absorption function to ensure clamping force and prevent damage to the surface of the steel arcade, prolonging the service life of the equipment and the welded structure. The locking mechanism electric push rod and push plate are designed to be linked, which can accurately adjust the clamping force through electric control, reducing manual error and labor intensity, and improving the automation level. This structure is suitable for steel arcades of different specifications and positions, enhancing the versatility of the device. When relocating, the electric push rod resets to quickly release the lock, improving construction mobility and reusability, reducing installation and disassembly time and labor cost. The buffer plate and spring return rod two combination enables the device to automatically absorb the slight displacement caused by temperature changes or vibration during long-term locking, preventing over-tightening from causing stress concentration and damage to the structure, improving safety and reliability. This design maintains the stability of the weld, enhances the self-adaptability of the equipment, and reduces the risk of weld misplacement and repeated adjustment caused by loose locking, providing a solid positioning guarantee for welding construction and improving overall quality and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1A main body structure schematic view of an auxiliary welding device for a large-span steel arcade is provided in the present application;

[0034] Figure 2 A structure schematic view of one side of the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0035] Figure 3 A structure schematic view of an extension support part of the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0036] Figure 4 A structure schematic view of a limiting rod part of the auxiliary welding device for the large-span steel arcade is provided in the present application; Figure 3 An enlarged view of A in the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0037] Figure 5 A structure schematic view of a support plate part of the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0038] Figure 6 A structure schematic view of a limiting rod part of the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0039] Figure 7 A structure schematic view of a limiting rod part of the auxiliary welding device for the large-span steel arcade is provided in the present application; Figure 6 An enlarged view of B in the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0040] Figure 8 A structure schematic view of a guide rail part of the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0041] Figure 9 A structure schematic view of a limiting rod part of the auxiliary welding device for the large-span steel arcade is provided in the present application; Figure 8 An enlarged view of C in the auxiliary welding device for the large-span steel arcade is provided in the present application;

[0042] Figure 10 A structure schematic view of a limiting rod part of the auxiliary welding device for the large-span steel arcade is provided in the present application; Figure 8 An enlarged view of D in the auxiliary welding device for the large-span steel arcade is provided in the present application.

[0043] Legend:

[0044] 1, bottom plate; 2, welding device body; 3, support frame; 4, detection mechanism; 401, fixed vertical plate; 402, support plate; 403, support arm; 404, motor; 405, sliding rod; 406, screw rod; 407, sliding support; 408, guide rail; 409, bearing plate; 410, roll rod; 411, audible and visual alarm; 412, U-shaped connecting plate; 413, connecting rod; 414, detection rod; 415, marker pen; 416, marker plate; 417, mounting seat; 418, bearing rod; 419, spring return rod one; 420, sliding block one; 421, electric telescopic rod; 422, linkage rod; 423, sliding block two; 424, base; 425, ball; 426, adjusting rod; 427, double-end trigger switch; 5, locking mechanism; 501, leg; 502, electric push rod; 503, limiting rod; 504, fixed plate; 505, push plate; 506, spring return rod two; 507, clamping plate; 508, buffer plate; 6, extension bracket. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0046] Please refer to Figures 1-10 The present application provides a technical solution: a large-span steel arcade auxiliary welding device, comprising a welding device body 2, a detection mechanism 4 and a locking mechanism 5 are arranged on one side of the welding device body 2;

[0047] The detection mechanism 4 comprises a spring return rod one 419, a detection rod 414, a ball 425 and a U-shaped connecting plate 412. The top end of the free end of the spring return rod one 419 is fixedly connected with a connecting rod 413, the top end of the connecting rod 413 is fixedly connected with the bottom end of the U-shaped connecting plate 412, the free end of the spring return rod one 419 is fixedly connected with the inner side of the detection rod 414, and the ball 425 is rotatably connected to the inner side of the detection rod 414.

[0048] The locking mechanism 5 comprises a spring return rod two 506, a clamping plate 507 and a buffer plate 508. The free end of the spring return rod two 506 is fixedly connected with the inner side of the clamping plate 507, and the buffer plate 508 is fixedly connected with the outer side of the clamping plate 507.

[0049] Specifically, as Figures 1-2As shown, the bottom end of the welding device body 2 is connected with the bottom plate 1, one side of the top end of the bottom plate 1 is fixedly connected with the support arm 403, the top end of the support arm 403 is fixedly connected with the motor 404, and the output end of the motor 404 is fixedly connected with the lead screw 406.

[0050] It should be noted that, in the above components,

[0051] Specifically, as shown in the drawings, Figures 1-2 one end of the lead screw 406 is rotatably connected with the fixed vertical plate 401, the bottom end of the fixed vertical plate 401 is fixedly connected to the top end of the bottom plate 1, the inner side of the fixed vertical plate 401 is fixedly connected with the sliding rod 405, and one end of the sliding rod 405 is fixedly connected to the inner side of the support arm 403.

[0052] It should be noted that, in the above components, the bottom plate 1 plays a role in stable support and can bear the weight of the entire welding device, ensuring that the equipment does not tilt or shake when moving or working, the support arm 403 is installed on the bottom plate 1 in cooperation with the motor 404, the motor 404 is connected with the lead screw 406 through the output end, and when the motor 404 operates, it can drive the lead screw 406 to rotate, thereby realizing the driving control of the subsequent sliding support 407, so that the detection mechanism 4 can smoothly advance along the weld curve of the steel arcade.

[0053] Specifically, as shown in the drawings, Figures 6-10 the middle part of the lead screw 406 is threadedly connected with the sliding support 407, the bottom end of the sliding support 407 is slidably connected with the sliding rod 405, the top end of the sliding support 407 is fixedly connected with the guide rail 408, the inner sides of the sliding block one 420 and the sliding block two 423 are respectively slidably connected with the roller 410.

[0054] It should be noted that, in the above components, one end of the lead screw 406 is rotatably connected with the fixed vertical plate 401 to ensure that the lead screw 406 can be stably fixed in position when rotating, avoiding transmission deviation caused by shaking, the fixed vertical plate 401 is tightly installed with the bottom plate 1 through the bottom end to ensure that the rotation center position of the lead screw 406 is accurate, and the sliding rod 405 is connected with the inner side of the support arm 403 to provide auxiliary guidance for the sliding support 407, so that the sliding support 407 can move smoothly without tilting or jamming when driven by the lead screw 406.

[0055] Specifically, as shown in the drawings, Figures 6-10 the bottom end of the sliding block one 420 is fixedly connected with the electric telescopic rod 421, the free end of the electric telescopic rod 421 is fixedly connected with the top end of the sliding block two 423, and the outer side of the sliding block one 420 is fixedly connected with the linkage rod 422.

[0056] It should be noted that in the above components, the middle part of the lead screw 406 is threadedly connected with the sliding support 407, the sliding support 407 is driven to move axially along the lead screw 406 by rotating the lead screw 406, the bottom end of the sliding support 407 is in sliding fit with the sliding rod 405 to realize bidirectional guiding and limiting, thereby ensuring the linearity and stability of the operation of the sliding support 407, the top end of the sliding support 407 is provided with the guide rail 408, the inner side of the guide rail 408 is slidably provided with the sliding block one 420 and the sliding block two 423, the inner side of the sliding block is rotatably provided with the roller 410, the roller 410 can roll along the surface of the steel arch, so that the detection rod 414 can smoothly move along the weld curve, precise curve detection is realized, detection resistance is reduced, and detection continuity is ensured.

[0057] Specifically, as shown in Figures 6-10 the end of the linkage rod 422 is fixedly connected with the mounting seat 417, the top end of the mounting seat 417 is fixedly connected with the sound-light alarm 411, the back side of the mounting seat 417 is fixedly connected with the bearing rod 418, one end of the bearing rod 418 is fixedly connected with the back side of the spring return rod one 419, the upper surface of the spring return rod one 419 is fixedly connected to the bottom end of the mounting seat 417, the inner side of the mounting seat 417 is fixedly connected with the base 424, and the top end of the base 424 is fixedly connected with the double-end trigger switch 427.

[0058] It should be noted that in the above components, the bottom end of the sliding block one 420 is fixedly connected with the electric telescopic rod 421, the free end of the electric telescopic rod 421 is connected with the top end of the sliding block two 423, the distance between the two sliding blocks can be adjusted through the telescopic action of the electric telescopic rod 421, so that the surface of the steel arch with different curvatures can be adapted, the roller 410 is always attached to the weld curve, the outer side of the sliding block one 420 is fixedly provided with the linkage rod 422, which is used to drive the subsequent sound-light alarm and trigger switch to move, realize linkage control of detection and alarm, the overall structure realizes self-adaptive fitting and real-time alarm of the detection component, and the detection accuracy and safety are improved.

[0059] Specifically, as shown in Figures 6-10 the double-end trigger switch 427 is electrically connected with the sound-light alarm 411, the inner side of the U-shaped connecting plate 412 is connected with two adjusting rods 426, and one end of each of the two adjusting rods 426 is matched with the two trigger ends of the double-end trigger switch 427.

[0060] It should be noted that in the above components, one end of the linkage rod 422 is connected to the mounting seat 417, and the sound-light alarm 411 is arranged above the mounting seat 417 to prompt the current detection state of the operator in real time, improve the safety of the site, and the back of the mounting seat 417 is connected to the bearing rod 418, and the bearing rod 418 is connected to the mounting seat 417 through the spring return rod 419, has an automatic reset function, can effectively absorb the impact caused by slight collision during detection, prolong the service life of the component, and the inside of the mounting seat 417 is provided with a base 424, and the double-end trigger switch 427 is fixed on the base 424, and the action of the linkage rod 422 can be sensed, and when the detection is abnormal or deviates from the limit, the double-end trigger switch 427 drives the sound-light alarm 411 to alarm immediately.

[0061] Specifically, as shown in Figures 6-10 The inside of the fixed vertical plate 401 is vertically slidably connected with a support plate 402, the inside of the support plate 402 is fixedly connected with a marking plate 416, the bottom end of the mounting seat 417 is fixedly connected with a bearing plate 409, the top end of the bearing plate 409 is fixedly connected to the bottom end of the support plate 402, and the bottom end of the detection rod 414 is fixedly connected with a marker pen 415, and the bottom end of the marker pen 415 is attached to the surface of the marking plate 416.

[0062] It should be noted that in the above components, the double-end trigger switch 427 is electrically connected with the sound-light alarm 411, when the detection deviation reaches the preset value, the trigger switch synchronously outputs an electric signal, so that the alarm emits sound and light to remind the operator to take corrective measures in time, and two adjusting rods 426 are arranged inside the U-shaped connecting plate 412, and the adjusting rods 426 are matched with the two trigger ends of the double-end trigger switch 427, so that the trigger sensitivity and the distance can be flexibly adjusted according to different detection requirements.

[0063] Specifically, as shown in Figures 3-5 The top end of the bottom plate 1 is fixedly connected with a support leg 501, one end of the support leg 501 is fixedly connected with an electric push rod 502, one end of the electric push rod 502 is fixedly connected with a fixed plate 504, the top end of the bottom plate 1 is fixedly connected with a support frame 3, the top end of the support frame 3 is fixedly connected with an extension bracket 6, and the bottom end of the fixed plate 504 is fixedly connected to the top end of the extension bracket 6.

[0064] It should be noted that in the above components, the inside of the fixed vertical plate 401 is provided with a vertically slidable support plate 402 to support the up-down adjusting action of the subsequent marking mechanism, the inside of the support plate 402 is fixedly connected with a marking plate 416 to provide a stable marking base, the bottom end of the mounting seat 417 is connected to the bearing plate 409, and the bearing plate 409 is connected to the bottom end of the support plate 402 to form an integral structure, which can bear the weight of the detection rod 414 and the marker pen 415, and prevent shaking during marking.

[0065] Specifically, as shown in Figures 3-5As shown, the free end of the electric push rod 502 penetrates the fixed plate 504 and is fixedly connected with the push plate 505, the inner side of the push plate 505 is fixedly connected with the limiting rod 503, one end of the limiting rod 503 penetrates the fixed plate 504, and the inner side of the push plate 505 is fixedly connected with the back of the spring return rod two 506.

[0066] It should be noted that in the above components, the free end of the electric push rod 502 penetrates the fixed plate 504 and is connected with the push plate 505, the inner side of the push plate 505 is provided with the limiting rod 503, one end of the limiting rod 503 penetrates the fixed plate 504, to limit the moving distance of the push plate 505, avoid excessive pushing causing structural damage, the inner side of the push plate 505 is fixedly connected with the back of the spring return rod two 506, to provide automatic return elastic force, to ensure that the push plate 505 is automatically reset after loosening, to enhance the locking and buffering functions.

[0067] The working principle is as follows: during use, the operator first starts the motor 404 on the welding device body 2, the output end of the motor 404 is fixedly connected with the lead screw 406, the lead screw 406 is rotated to drive the sliding support 407 which is threadedly connected with the lead screw 406 to move along the axial direction of the lead screw 406 stably, the bottom end of the sliding support 407 is slidably connected with the slide rod 405 on the fixed vertical plate 401, which not only ensures the stability of the sliding path, but also avoids the deflection caused by the rotation of the lead screw 406, the top end of the sliding support 407 is fixedly connected with the guide rail 408, the inner side of the guide rail 408 is slidably provided with the sliding block one 420 and the sliding block two 423, and the inner sides of the two sliding blocks are respectively provided with the freely rotatable roll rods 410, these roll rods 410 are not used for clamping and fixing the steel arch, but play a guiding and following supporting role, when the device moves along the outer arc of the steel arch, the roll rods 410 can roll along the curve of the surface of the steel arch adaptively, so that the guide rail 408 and the sliding blocks always run closely to the outer surface of the steel arch, the detection rod 414 is driven to stably follow the welding line for real-time detection, the inner side of the detection rod 414 is connected with the spring return rod one 419 through the connecting rod 413, and the outer side is rotatably connected with the ball 425, when the detection mechanism 4 moves along the steel arch under the driving of the sliding support 407, the ball 425 is attached to the outer surface of the steel arch and freely rolls along the surface shape, if the steel arch deviates, the ball 425 will be slightly displaced along with the deviation, so as to drive the detection rod 414 and the spring return rod one 419 to deform, thereby ensuring that the ball 425 continuously adheres to the surface of the steel arch, when the detection rod 414 moves due to the deviation, the U-shaped connecting plate 412 connected with the upper end of the detection rod 414 will be synchronously displaced, so as to drive the adjusting rod 426 arranged on the inner side of the U-shaped connecting plate 412 to trigger the double-end trigger switch 427, after triggering, the audible and light alarm 411 is started through electrical connection, an audible and light signal is emitted to remind the operator that there is a deviation hidden danger, meanwhile, the detection rod 414 is fixedly connected with the marker pen 415 at the bottom end, the marker pen 415 is always attached to the surface of the marking plate 416 under the action of the spring return rod one 419, and can draw the actual deviation curve of the steel arch on the marking plate 416 along with the displacement of the detection rod 414, thereby providing an effective basis for the later welding seam correction and quality traceability, through the above structure, the detection mechanism 4 can realize continuous, stable and visual detection of the large-span steel arch, and significantly improve the accuracy of welding quality control and construction efficiency,When the clamping plate 507 contacts the surface of the steel arch or its supporting structure, the spring return rod two 506 is compressed to store elastic force, so that the clamping plate 507 is tightly attached to the surface of the steel arch to form a preliminary clamping force, and the outer buffer plate 508 cooperates with the clamping plate 507 to effectively absorb the vibration and impact from the steel arch, thereby avoiding the adverse effects of slight displacement or vibration in the construction environment on the detection results and welding quality. During the welding process, if an external impact is encountered, the buffer plate 508 can form a buffer and displacement compensation for the clamping plate 507, so that the locking force is stable and will not cause excessive indentation or damage to the surface of the steel arch. After the welding is completed, the operator can reset the clamping plate 507 by controlling the electric push rod 502, and the spring return rod two 506 releases the elastic force at the same time, thereby driving the clamping plate 507 to automatically recover to the initial position, facilitating the movement of the device to the next welding point for continuous operation. In addition, the locking mechanism 5 cooperates with the detection mechanism 4, the supporting frame 3, the push plate 505 and other components to maintain the detection accuracy, stabilize the device structure, enhance the operation safety and reduce the workload of manual repeated positioning. By setting the locking mechanism 5, the adaptability and service life of the welding device are improved, and the continuity and reliability of the welding process are ensured under complex working conditions, thereby greatly improving the overall safety and efficiency of the large-span steel arch welding construction.

[0068] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes to the technical solutions and inventive concepts of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A large-span steel arcade auxiliary welding device, comprising a welding device body (2), characterized in that: A detection mechanism (4) and a locking mechanism (5) are respectively provided on one side of the welding device body (2); A detection mechanism (4), the detection mechanism (4) comprising a spring return rod (419), a detection rod (414), a ball (425) and a U-shaped connecting plate (412), the top end of the free end of the spring return rod (419) being fixedly connected to a connecting rod (413), the top end of the connecting rod (413) being fixedly connected to the bottom end of the U-shaped connecting plate (412), the free end of the spring return rod (419) being fixedly connected to the inner side of the detection rod (414), and the ball (425) being rotatably connected to the inner side of the detection rod (414); A locking mechanism (5), the locking mechanism (5) comprising a second spring return rod (506), a clamping plate (507) and a buffer plate (508), the free end of the second spring return rod (506) being fixedly connected to the inner side of the clamping plate (507), and the buffer plate (508) being fixedly connected to the outer side of the clamping plate (507); The device further comprises a fixed vertical plate (401) and a mounting seat (417), wherein the inner side of the fixed vertical plate (401) is vertically slidably connected to a support plate (402), the inner side of the support plate (402) is fixedly connected to a marking plate (416), the bottom end of the mounting seat (417) is fixedly connected to a bearing plate (409), the top end of the bearing plate (409) is fixedly connected to the bottom end of the support plate (402), the bottom end of the detection rod (414) is fixedly connected to a marking pen (415), and the bottom end of the marking pen (415) is attached to the surface of the marking plate (416); The middle part of the screw rod (406) is threadedly connected to a sliding support (407), the bottom end of the sliding support (407) is slidably connected to the slide rod (405), the top end of the sliding support (407) is fixedly connected to a guide rail (408), the inner side of the guide rail (408) is slidably connected to a slider 1 (420) and a slider 2 (423), and the inner side of the slider 1 (420) and the inner side of the slider 2 (423) are both rotatably connected to a roller rod (410); The bottom end of the slider 1 (420) is fixedly connected to an electric telescopic rod (421), the free end of the electric telescopic rod (421) is fixedly connected to the top end of the slider 2 (423), and the outer side of the slider 1 (420) is fixedly connected to a linkage rod (422); One end of the linkage rod (422) is fixedly connected to a mounting seat (417), the top end of the mounting seat (417) is fixedly connected to an audible and visual alarm (411), the back side of the mounting seat (417) is fixedly connected to a bearing rod (418), one end of the bearing rod (418) is fixedly connected to the back side of a spring return rod (419), the upper surface of the spring return rod (419) is fixedly connected to the bottom end of the mounting seat (417), the inner side of the mounting seat (417) is fixedly connected to a base (424), and the top end of the base (424) is fixedly connected to a double-ended trigger switch (427).

2. The large-span steel arcade auxiliary welding device according to claim 1, characterized in that: The bottom end of the welding device body (2) is connected to a base plate (1), one side of the top end of the base plate (1) is fixedly connected to a support arm (403), the top end of the support arm (403) is fixedly connected to a motor (404), and the output end of the motor (404) is fixedly connected to a screw rod (406).

3. The large-span steel arcade auxiliary welding device according to claim 2, characterized in that: One end of the screw rod (406) is rotatably connected to a fixed vertical plate (401), the bottom end of the fixed vertical plate (401) is fixedly connected to the top end of the bottom plate (1), the inner side of the fixed vertical plate (401) is fixedly connected to a sliding rod (405), and one end of the sliding rod (405) is fixedly connected to the inner side of the support arm (403).

4. The large-span steel arcade auxiliary welding device according to claim 1, characterized in that: The double-ended trigger switch (427) is electrically connected to the sound and light alarm (411), and the inner side of the U-shaped connecting plate (412) is connected to two adjustment rods (426), and one end of the two adjustment rods (426) is matched with the two trigger ends of the double-ended trigger switch (427).

5. The large-span steel arcade auxiliary welding device according to claim 2, characterized in that: The top of the base plate (1) is fixedly connected to a support leg (501), one end of the support leg (501) is fixedly connected to an electric push rod (502), one end of the electric push rod (502) is fixedly connected to a fixing plate (504), the middle of the top of the base plate (1) is fixedly connected to a support frame (3), the top of the support frame (3) is fixedly connected to an extension bracket (6), and the bottom end of the fixing plate (504) is fixedly connected to the top of the extension bracket (6).

6. The large-span steel arcade auxiliary welding device according to claim 5, characterized in that: The free end of the electric push rod (502) passes through the fixed plate (504) and is fixedly connected to a push plate (505). The inner side of the push plate (505) is connected to a limiting rod (503). One end of the limiting rod (503) passes through the fixed plate (504). The inner side of the push plate (505) is fixedly connected to the back side of the second spring return rod (506).

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