A large construction site heating and ventilation pipeline auxiliary welding device

Abstract

The application discloses a kind of construction site large-scale heating and ventilation pipeline auxiliary welding device, it is related to pipeline auxiliary welding technical field, including the first fast erection support of being arranged at first pipeline, the first fast erection support side is provided with the second fast erection support cooperation with second pipeline;Translation moving mechanism is provided on the first fast erection support, horizontal drive assembly is provided on the first fast erection support, horizontal maintenance assembly is provided on the first fast erection support;Positioning lifting mechanism is provided on the second fast erection support, and the butt joint auxiliary welding mechanism that is provided with the convenient condition for welding operation is arranged between first pipeline and second pipeline and assists first pipeline and second pipeline to carry out butt joint.This application solves a variety of problems encountered in the process of traditional heating and ventilation pipeline welding by ingenious structure design, not only greatly improves welding quality and efficiency, but also improves working environment, reduces labor intensity.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline auxiliary welding, in particular to a large heating and ventilation pipeline auxiliary welding device for construction site. BACKGROUND

[0002] In the field of building construction, heating and ventilation engineering, as an important component, undertakes the operation guarantee task of ventilation, air conditioning and other systems in buildings. Among them, the installation quality of heating and ventilation pipeline directly relates to the performance and stability of the whole heating and ventilation system. And in the installation process of heating and ventilation pipeline, welding operation is the key link to ensure the firm connection and good sealing of the pipeline.

[0003] With the acceleration of urbanization process and the continuous expansion of building scale, large heating and ventilation pipelines are increasingly widely used. These large heating and ventilation pipelines usually have the characteristics of large pipe diameter, thick wall thickness and long length, and their welding construction is difficult. In the traditional construction site, the welding of large heating and ventilation pipelines mainly relies on manual operation of auxiliary tools, which has many limitations.

[0004] On the one hand, in the process of positioning and adjusting the pipeline, the precision of manual operation is limited, and it is difficult to ensure that the axes of the two pipes to be welded are completely coincident, which may cause problems such as misalignment and uneven gap, thereby affecting the welding quality. On the other hand, during the welding process, due to the large weight of large heating and ventilation pipelines, there is a lack of effective support and fixing device, and the pipeline is prone to deformation or shaking, which not only affects the stability of welding operation, but also may cause welding defects such as uneven weld, slag inclusion and porosity.

[0005] How to solve the above technical problems is the subject faced by the present application. SUMMARY

[0006] In order to solve the problems of the prior art, the present application provides a large heating and ventilation pipeline auxiliary welding device for construction site, which is designed reasonably and safely and reliably. Through a series of innovative design and structural optimization, the efficiency, precision and safety of the on-site welding operation of heating and ventilation pipeline are significantly improved.

[0007] The technical scheme adopted by the present application to solve the technical problems is: a large heating and ventilation pipeline auxiliary welding device for construction site, comprising a first quick mounting support arranged at a first pipeline, and a second quick mounting support arranged at one side of the first quick mounting support and matched with a second pipeline.

[0008] The first quick-assembly support is provided with a translation moving mechanism for facilitating horizontal movement of the first pipeline and realizing translation movement for preparation of butt joint with the second pipeline, the first quick-assembly support is provided with a horizontal driving assembly cooperating with the translation moving mechanism and providing horizontal driving force for the first welded pipeline, and the first quick-assembly support is provided with a horizontal maintaining assembly for maintaining the first pipeline in a horizontal state.

[0009] The second quick-assembly support is provided with a positioning and lifting mechanism for positioning and lifting the second pipeline to complete preparation operation before welding, and the first pipeline and the second pipeline are provided with an auxiliary butt joint welding mechanism for facilitating butt joint of the first pipeline and the second pipeline and providing convenient conditions for welding operation.

[0010] Further, the first quick-assembly support includes quick-assembly support columns symmetrically arranged at both sides of the first pipeline, the quick-assembly support columns are provided with fastening assemblies cooperating with the ground and improving stability of the quick-assembly support columns, and a plurality of reinforcing telescopic frame assemblies are arranged between the two quick-assembly support columns to cooperate with the two quick-assembly support columns to improve overall stability, the second quick-assembly support includes a plurality of support column mechanisms arranged along the axial direction of the second pipeline, and the support column mechanisms have the same structure as the first quick-assembly support.

[0011] The translation moving mechanism and the horizontal maintaining assembly are arranged between the two quick-assembly support columns, and the positioning and lifting mechanism is arranged between the support column mechanisms.

[0012] Further, the fastening assembly includes a fastening base arranged at the bottom end of the quick-assembly support column, the fastening base is provided with a fastening screw cooperating with the ground, and the fastening base is provided with a fastening insertion rod inserted into the ground.

[0013] The reinforcing telescopic frame assembly includes reinforcing sleeves respectively sleeved on the two quick-assembly support columns, the reinforcing sleeves are provided with reinforcing screws cooperating with the quick-assembly support columns, one of the reinforcing sleeves is provided with a telescopic fixed cylinder, and the other reinforcing sleeve is provided with a telescopic movable cylinder cooperating with the telescopic fixed cylinder.

[0014] Further, the translation moving mechanism includes a translation base arranged on one of the reinforcing telescopic frame assemblies, the translation base is provided with a translation arc seat, the translation arc seat is provided with a plurality of translation rolling balls, and the reinforcing telescopic frame assembly is provided with a stable insertion rod assembly cooperating with the translation base.

[0015] One of the reinforced telescopic frame assemblies is provided with a front base, the front base is provided with a front base table matched with the horizontal driving assembly and the horizontal maintaining assembly, the reinforced telescopic frame assembly is provided with a front plug rod assembly matched with the front base;

[0016] Further, the translation base includes a translation sleeve matched with the reinforced telescopic frame assembly, the translation sleeve is provided with a translation base matched with the stable plug rod assembly, and the translation arc base is arranged on the translation base, and the translation sleeve is provided with a plurality of translation screws matched with the reinforced telescopic frame assembly;

[0017] The two sides of the translation base are provided with a plurality of stable insertion holes; the stable plug rod assembly includes a stable sleeve matched with the reinforced telescopic frame assembly, the stable sleeve is provided with a plug rod base, and the plug rod base is uniformly provided with a plurality of stable plug rods matched with the stable insertion holes.

[0018] Further, the horizontal maintaining assembly includes a maintaining hinge rope unit arranged on the front base table, a steering support unit is arranged between the two quick-assembly support columns, a translation round frame unit is arranged at the end of the first pipeline away from the second pipeline, and the translation round frame unit is connected with the maintaining hinge rope unit, and the front base table is provided with a tensioning wheel unit matched with the maintaining hinge rope unit;

[0019] The horizontal driving assembly includes a steering round frame unit arranged on the second pipeline, the front base table is provided with a driving hinge rope unit, and the driving hinge rope unit is fixedly connected with the translation round frame unit via the steering round frame unit.

[0020] The steering support unit includes a steering base, the two sides of the steering base are provided with telescopic connecting frames in sliding fit with the steering base, the telescopic connecting frames are provided with connecting fixed cylinders matched with the quick-assembly support columns, the steering base is provided with first screws matched with the telescopic connecting frames, the connecting fixed cylinders are provided with second screws, the steering base is provided with a steering base frame, and the steering base frame is provided with steering wheels.

[0021] The maintaining hinge rope unit includes a maintaining hinge frame arranged on the front base table, the maintaining hinge frame is provided with a maintaining roller shaft, the maintaining hinge frame is provided with a maintaining motor matched with the maintaining roller shaft, the maintaining roller shaft is provided with a plurality of maintaining hinge discs, the maintaining hinge discs are provided with maintaining hinge ropes, and the maintaining hinge ropes are connected with the translation round frame unit via the steering wheels.

[0022] The translation circle frame unit comprises two symmetrically arranged translation half-rings, the translation half-rings are provided with a circle frame screw connected with the other translation half-ring, the translation half-rings are provided with a limiting screw connected with the first pipeline, and the translation half-rings are provided with a plurality of fixing frames, and the fixing frames are provided with fixing wheels.

[0023] The driving hinge rope unit comprises a driving hinge frame arranged on the front base, the driving hinge frame is provided with a driving roller shaft, the driving hinge frame is provided with a driving motor matched with the driving roller shaft, the driving roller shaft is provided with a plurality of driving hinge discs, the driving hinge discs are provided with driving hinge ropes, and the driving hinge ropes are fixedly connected with the translation circle frame unit through the steering circle frame unit.

[0024] The structure of the steering circle frame unit is consistent with that of the translation circle frame unit.

[0025] Further, the positioning lifting mechanism comprises a positioning telescopic frame assembly arranged between the two support column mechanisms, the positioning telescopic frame assembly is provided with a lifting base frame, the positioning telescopic frame assembly is provided with a positioning plug rod assembly matched with the lifting base frame, and the lifting base frame is provided with a limiting screw matched with the positioning telescopic frame assembly.

[0026] The lifting base frame is symmetrically provided with flexible supports, flexible cloth is arranged between the two flexible supports, the flexible supports are provided with a flexible winding assembly for winding the flexible cloth, the lifting base frame is provided with a stable support frame matched with the flexible cloth, and the stable support frame is provided with a stable support rod assembly matched with the flexible cloth.

[0027] The flexible winding assembly comprises a winding shaft arranged on the flexible support, the winding shaft is provided with a winding roller matched with the flexible cloth, and the flexible support is provided with a flexible motor matched with the winding shaft.

[0028] The stable support rod assembly comprises a top support hydraulic rod arranged on the stable support frame, and a positioning support block matched with the second pipeline is arranged at the moving end of the top support hydraulic rod.

[0029] Further, the butt joint auxiliary welding mechanism comprises a first butt joint welding assembly arranged on the first pipeline, the second pipeline is provided with a second butt joint welding assembly matched with the first butt joint welding assembly, and the structure of the first butt joint welding assembly is consistent with that of the second butt joint welding assembly.

[0030] The first butt welding assembly comprises symmetrically arranged butt half-round frames, the butt half-round frames are provided with connecting screws connected with another butt half-round frame, the butt half-round frames are provided with clamping screw rods for clamping the butt half-round frames on the first pipeline, and the butt half-round frames are provided with rotating bases in the shape of a semicircle at the end away from the second butt welding assembly, the rotating bases are provided with rotating half-tracks coaxially arranged with the butt half-round frames and in the shape of a semicircle, and the rotating half-tracks on the two rotating bases jointly form a rotating track;

[0031] The rotating track is provided with a rotating arc frame rotationally matched with the rotating track, the rotating arc frame is provided with a plurality of butt sliding frames along the circumferential direction of the rotating arc frame, the rotating arc frame is provided with a plurality of butt cross frames along the circumferential direction of the rotating arc frame, the butt sliding frames and the butt cross frames are arranged alternately, the butt sliding frames are provided with butt sliding grooves slidably matched with the butt cross frames, and the butt sliding grooves are provided with a plurality of sets of damping pulley units matched with the butt cross frames.

[0032] The first and second quick assembly supports provide a stable support foundation for the first and second pipelines. The translational movement mechanism can accurately control the horizontal movement of the first pipeline, and in combination with the stable driving force provided by the horizontal driving assembly, the first pipeline can be quickly and accurately moved to the predetermined position for butt joint with the second pipeline. This precise positioning and butt joint function greatly reduces the workload and time of manual adjustment, and improves the efficiency of welding preparation work.

[0033] The positioning and lifting mechanism on the second quick assembly support can accurately position and lift the second pipeline, ensuring that the second pipeline is at the appropriate height and position when butt joint with the first pipeline. At the same time, the butt joint auxiliary welding mechanism plays a good auxiliary butt joint role between the first and second pipelines, and through the cooperation of its unique structure design such as the rotating base, the rotating arc frame, the butt sliding frame and the butt cross frame, the two pipelines can be more closely and accurately aligned, providing a convenient condition for subsequent welding operation, and further improving the efficiency of welding preparation work.

[0034] The horizontal maintenance assembly can monitor and adjust the horizontal state of the first pipeline in real time through the cooperative work of the maintenance hinge rope unit, the steering support unit and the translational circular frame unit, ensuring that it always maintains horizontal during welding. This precise horizontal maintenance function is crucial for ensuring welding quality, because the levelness of the pipeline directly affects the quality and sealing of the welded joint. At the same time, the precise control capability of the translational movement mechanism and the horizontal driving assembly makes the movement of the first pipeline during welding more stable and accurate, further improving the precision and quality of welding.

[0035] The unique design of the butt joint auxiliary welding mechanism can adapt to heating and ventilation pipes of different shapes and pipe diameters. The butt joint semicircular frame, rotating base, rotating arc frame and other components in the first butt joint welding assembly and the second butt joint welding assembly can cooperate with each other to provide stable support and guidance for the butt joint of the two pipes. During the welding process, these components can ensure that the relative position between the pipes remains unchanged, and can also adapt to the slight deformation caused by factors such as thermal expansion of the pipes during welding, thereby ensuring the quality and sealing of the welded joint. Such versatility and adaptability enable the device to function well in various construction sites and working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a schematic view of the three-dimensional structure of the present application cooperating with the ground;

[0037] Figure 2 is a three-dimensional schematic view of the overall structure of the present application;

[0038] Figure 3 is a cooperation diagram of the first quick erection support, the translation movement mechanism and the horizontal maintenance assembly of the present application;

[0039] Figure 4 is a cooperation diagram of the first quick erection support and the translation movement mechanism of the present application;

[0040] Figure 5 is an enlarged schematic view of A of the present application;

[0041] Figure 6 is an exploded schematic view of the front base, the horizontal driving assembly and the maintenance hinge rope unit of the present application;

[0042] Figure 7 is a three-dimensional schematic view of the translation movement mechanism of the present application.

[0043] Figure 8 is a cooperation diagram of the support column mechanism, the positioning and lifting mechanism and the steering round frame unit of the present application;

[0044] Figure 9 is an enlarged schematic view of B of the present application;

[0045] Figure 10 is a cooperation schematic view of the butt joint auxiliary welding mechanism of the present application.

[0046] Figure 11 is an enlarged schematic view of C of the present application;

[0047] Wherein, the figure mark is: first pipeline; 120, second pipeline; 200, first fast assembly support; 210, fast assembly support column; 220, fastening assembly; 221, fastening base; 222, fastening screw; 223, fastening plug; 230, reinforcing telescopic frame assembly; 231, reinforcing sleeve; 232, reinforcing screw; 233, telescopic solid cylinder; 234, telescopic movable cylinder; 240, front base; 250, front base station; 260, front plug assembly; 300, second fast assembly support; 310, support column mechanism; 400, translation movement mechanism; 410, translation base; 411, translation sleeve; 412, translation base; 413, translation screw; 414, stable insertion hole; 420, translation arc base; 430, translation ball; 440, stable plug assembly; 441, stable sleeve; 442, plug base; 443, stable plug; 500, horizontal maintenance assembly; 510, maintenance hinge rope unit; 511, maintenance hinge frame; 512, maintenance roller; 513, maintenance motor; 514, maintenance hinge disc; 515, maintenance hinge rope; 520, steering support unit; 521, steering base; 522, telescopic connecting frame; 523, connecting solid cylinder; 524, first screw; 525, second screw; 526, steering base frame; 527, steering wheel; 530, translation round frame unit; 531, translation half ring frame; 532, round frame screw; 533, limiting screw; 534, fixed frame; 535, fixed wheel; 540, tension wheel unit; 600, horizontal drive assembly; 610, drive hinge rope unit; 611, drive hinge frame; 612, drive roller; 613, drive motor; 614, drive hinge disc; 615, drive hinge rope; 620, steering round frame unit; 700, positioning lifting mechanism; 710, lifting base frame; 720, flexible support; 730, flexible cloth; 740, flexible winding assembly; 741, winding shaft; 742, winding roller; 743, flexible motor; 750, stable support frame; 760, stable support rod assembly; 761, positioning support block; 800, butt joint auxiliary welding mechanism; 810, first butt joint welding assembly; 820, butt joint half ring frame; 821, connecting screw; 822, clamping screw; 830, rotating base; 831, rotating half rail; 840, rotating arc frame; 841, butt joint sliding frame; 842, butt joint cross frame; 843, butt joint sliding groove; 850, shock-absorbing pulley unit; 851, shock-absorbing telescopic rod; 852, shock-absorbing moving wheel; 860, smooth sliding base; 861, smooth sliding groove; 862, smooth arc frame; 863, smooth ball; 870, second butt joint welding assembly. DETAILED DESCRIPTION

[0048] Reference Figures 1 to 11As shown, a construction site large heating and ventilation pipeline auxiliary welding device, including the first pipeline 110 at the first fast erection support 200, one side of the first fast erection support 200 is provided with the second fast erection support 300 matched with the second pipeline 120;

[0049] The first fast erection support 200 is provided with a translation movement mechanism 400 for facilitating the horizontal movement of the first pipeline 110 and realizing the preparation for the butt joint of the second pipeline 120, the first fast erection support 200 is provided with a horizontal drive assembly 600 matched with the translation movement mechanism 400 and used for providing horizontal driving force for the first welding pipeline, and the first fast erection support 200 is provided with a horizontal maintenance assembly 500 used for maintaining the first pipeline 110 in a horizontal state;

[0050] The second fast erection support 300 is provided with a positioning and lifting mechanism 700 for positioning and lifting the second pipeline 120 to complete the preparation operation before welding, and the first pipeline 110 and the second pipeline 120 are provided with an auxiliary butt joint welding mechanism 800 for facilitating the butt joint of the first pipeline 110 and the second pipeline 120 and providing convenient conditions for welding operation.

[0051] Further, the first fast erection support 200 includes fast erection support columns 210 symmetrically arranged on both sides of the first pipeline 110, the fast erection support columns 210 are provided with fastening assemblies 220 matched with the ground and improving the stability of the fast erection support columns 210, and a plurality of reinforcing telescopic frame assemblies 230 are arranged between the two fast erection support columns 210 to cooperate with the two fast erection support columns 210 to improve the overall stability; the second fast erection support 300 includes a plurality of support column mechanisms 310 arranged along the axial direction of the second pipeline 120, and the structure of the support column mechanism 310 is consistent with the structure of the first fast erection support 200;

[0052] The translation movement mechanism 400 and the horizontal maintenance assembly 500 are arranged between the two fast erection support columns 210, and the positioning and lifting mechanism 700 is arranged between the support column mechanisms 310.

[0053] Specifically, the translation movement mechanism 400 and the horizontal maintenance assembly 500 improve the overall stability of cooperation with the fast erection support columns 210, and the positioning and lifting mechanism 700 improves the overall stability of cooperation with the support column mechanisms 310.

[0054] Further, the fastening assembly 220 includes a fastening base 221 arranged at the bottom end of the fast erection support column 210, the fastening base 221 is provided with a fastening screw 222 matched with the ground, and the fastening base 221 is provided with a fastening insertion rod 223 inserted into the ground;

[0055] The reinforcing telescopic frame assembly 230 comprises reinforcing sleeves 231 sleeved in the two quick-assembly support columns 210 respectively, and reinforcing screws 232 are arranged on the reinforcing sleeves 231 and matched with the quick-assembly support columns 210; one of the reinforcing sleeves is provided with a telescopic fixed cylinder 233, and the other is provided with a telescopic movable cylinder 234 matched with the telescopic fixed cylinder 233.

[0056] Further, the translation moving mechanism 400 comprises a translation base 410 arranged on one of the reinforcing telescopic frame assemblies 230, the translation base 410 is provided with a translation arc seat 420, a plurality of translation rolling balls 430 are arranged on the translation arc seat 420, and the reinforcing telescopic frame assembly 230 is provided with a stable insertion rod assembly 440 matched with the translation base 410.

[0057] One of the reinforcing telescopic frame assemblies 230 is provided with a front base 240, the front base 240 is provided with a front base platform 250 matched with the horizontal driving assembly 600 and the horizontal maintaining assembly 500, and the reinforcing telescopic frame assembly is provided with a front insertion rod assembly 260 matched with the front base 240; the structure of the front base 240 is consistent with that of the translation base 410, and the structure of the front insertion rod assembly 260 is consistent with that of the stable insertion rod assembly 440.

[0058] Further, the translation base 410 comprises a translation sleeve frame 411 matched with the reinforcing telescopic frame assembly 230, the translation sleeve frame 411 is provided with a translation base 412 matched with the stable insertion rod assembly, and the translation arc seat 420 is arranged on the translation base; a plurality of translation screws 413 matched with the reinforcing telescopic frame assembly 230 are arranged on the translation sleeve frame 411.

[0059] The two side surfaces of the translation base 412 are provided with a plurality of stable insertion holes 414; the stable insertion rod assembly 440 comprises a stable sleeve 441 matched with the reinforcing telescopic frame assembly 230, the stable sleeve 441 is provided with an insertion rod base 442, and a plurality of stable insertion rods 443 matched with the stable insertion holes 414 are uniformly arranged on the insertion rod base 442.

[0060] Specifically, the translation sleeve frame 411 is arranged on the telescopic fixed cylinder 233 and the telescopic movable cylinder 234 in the reinforcing telescopic frame assembly 230, and the translation screw 413 is matched with the telescopic fixed cylinder 233 or the telescopic movable cylinder 234 in the reinforcing telescopic frame assembly 230.

[0061] The stable sleeve 441 in the stable insertion rod assembly 440 is sleeved in the reinforcing sleeve 231 in the reinforcing telescopic frame assembly 230.

[0062] Further, the horizontal maintenance assembly 500 includes a maintenance hinge rope unit 510 arranged on the front base 250, a steering support unit 520 arranged between the two quick-assembly support columns 210, a translation turntable unit 530 arranged at the end of the first pipeline 110 away from the second pipeline 120, and the translation turntable unit 530 is connected with the maintenance hinge rope unit 510, and the front base 250 is arranged with a tensioning wheel unit 540 matched with the maintenance hinge rope unit 510;

[0063] The horizontal drive assembly 600 includes a steering turntable unit 620 arranged on the second pipeline 120, and the front base 250 is arranged with a drive hinge rope unit 610, and the drive hinge rope unit 610 is fixedly connected with the translation turntable unit 530 via the steering turntable unit 620.

[0064] The steering support unit 520 includes a steering base 521, both sides of the steering base 521 are arranged with telescopic connecting rods 522 in sliding fit with the steering base 521, the telescopic connecting rods 522 are arranged with connecting fixed cylinders 523 matched with the quick-assembly support columns 210, the steering base 521 is arranged with first screws 524 matched with the telescopic connecting rods 522, the connecting fixed cylinders 523 are arranged with second screws 525, and the steering base 521 is arranged with a steering base frame 526, and the steering base frame 526 is arranged with steering wheels 527.

[0065] The maintenance hinge rope unit 510 includes a maintenance hinge frame 511 arranged on the front base 250, the maintenance hinge frame 511 is arranged with a maintenance roller shaft 512, the maintenance hinge frame is arranged with a maintenance motor 513 matched with the maintenance roller shaft 512, the maintenance roller shaft 512 is arranged with a plurality of maintenance hinge discs 514, the maintenance hinge discs 514 are arranged with maintenance hinge ropes 515, and the maintenance hinge ropes 515 are connected with the translation turntable unit 530 via the steering wheels 527.

[0066] The translation turntable unit 530 includes two symmetrically arranged translation half-ring frames 531, the translation half-ring frames 531 are arranged with turntable screws 532 connected with the other translation half-ring frames 531, the translation half-ring frames 531 are arranged with limiting screws 533 connected with the first pipeline 110, the translation half-ring frames 531 are arranged with a plurality of fixed frames 534, and the fixed frames 534 are arranged with fixed wheels 535.

[0067] Specifically, the tensioning wheel unit 540 is arranged on the front base 250, and the structure of the tensioning wheel unit 540 is basically the same as that of the tensioning wheel unit 540 on the market, which is not described herein.

[0068] The driving hinge rope unit 610 comprises a driving hinge frame 611 arranged on the front base 250, a driving roller shaft 612 arranged on the driving hinge frame, a driving motor 613 arranged on the driving hinge frame and matched with the driving roller shaft 612, a plurality of driving hinge discs 614 arranged on the driving roller shaft 612, and driving hinge ropes 615 arranged on the driving hinge discs and fixedly connected with the rotating round frame unit 620 and the translating round frame unit 530.

[0069] The structure of the rotating round frame unit 620 is consistent with that of the translating round frame unit 530.

[0070] Further, the positioning lifting mechanism 700 comprises a positioning telescopic frame assembly arranged between the two support column mechanisms 310, a lifting base frame 710 arranged on the positioning telescopic frame assembly, a positioning plug rod assembly arranged on the positioning telescopic frame assembly and matched with the lifting base frame 710, and a limiting screw arranged on the lifting base frame 710 and matched with the positioning telescopic frame assembly.

[0071] The lifting base frame 710 is symmetrically provided with flexible supports 720, and flexible cloth 730 is arranged between the two flexible supports 720. The flexible supports 720 are provided with flexible winding assemblies 740 for winding the flexible cloth 730. The lifting base frame 710 is provided with a stable support frame 750 matched with the flexible cloth 730, and the stable support frame 750 is provided with a stable support rod assembly 760 matched with the flexible cloth 730.

[0072] The flexible winding assembly 740 comprises a winding shaft 741 arranged on the flexible support 720, a winding roller 742 arranged on the winding shaft 741 and matched with the flexible cloth 730, and a flexible motor 743 arranged on the flexible support 720 and matched with the winding shaft 741.

[0073] The stable support rod assembly 760 comprises a top support hydraulic rod arranged on the stable support frame 750, and a positioning support block arranged at the moving end of the top support hydraulic rod and matched with the second pipeline 120.

[0074] Further, the butt joint auxiliary welding mechanism 800 comprises a first butt joint welding assembly 810 arranged on the first pipeline 110, a second butt joint welding assembly 870 arranged on the second pipeline 120 and matched with the first butt joint welding assembly 810, and the structure of the first butt joint welding assembly 810 is consistent with that of the second butt joint welding assembly 870.

[0075] The first butt welding assembly 810 comprises symmetrically arranged butt half-round frames 820, the butt half-round frames 820 are provided with round frame screws 532 connected with another butt half-round frame 820, the butt half-round frames 820 are provided with clamping screws 822 for clamping the butt half-round frames 820 on the first pipeline 110, and the butt half-round frames 820 are provided with half-round rotating bases 830 at the ends away from the second butt welding assembly 870, the rotating bases 830 are provided with half-round rotating half-tracks 831 coaxially arranged with the butt half-round frames 820, and the rotating half-tracks 831 on the two rotating bases 830 together form a rotating track;

[0076] The rotating track is provided with rotating arc frames 840 rotationally matched with the rotating track, the rotating arc frames 840 are provided with a plurality of butt sliding frames 841 along the circumferential direction of the rotating arc frames 840, the rotating arc frames 840 are provided with a plurality of butt cross frames 842 along the circumferential direction of the rotating arc frames 840, the butt sliding frames 841 and the butt cross frames 842 are arranged alternately, the butt sliding frames 841 are provided with butt sliding grooves 843 slidably matched with the butt cross frames 842, and the butt sliding grooves 843 are provided with a plurality of groups of damping pulley units 850 matched with the butt cross frames 842.

[0077] Further, the first butt welding assembly 810 and the second butt welding assembly 870 are provided with welding placement racks 860 for placing welding devices, and the welding placement racks 860 are provided with positioning screws 861 matched with the first butt welding assembly 810.

[0078] Specifically, the butt cross frames 842 in the first butt welding assembly 810 are in a socket joint with the butt sliding grooves 843 in the butt sliding frames 841 in the second butt welding assembly 870, and the butt sliding grooves 843 in the butt sliding frames 841 in the first butt welding assembly 810 are in a socket joint with the butt cross frames 842 in the second butt welding assembly 870.

[0079] Preferably, the butt sliding grooves 843 are in a rectangular cross section, one group of the damping pulley units 850 comprises four damping pulley units 850, the damping pulley units 850 comprise damping telescopic rods 851 arranged in the butt sliding grooves 843, and the damping telescopic rods 851 are provided with damping shift pulleys 852.

[0080] Preferably, the butt half-round frames 820 are provided with stable sliding bases 861 matched with the rotating sliding frames and in a half-round shape, the stable sliding bases 861 are provided with stable sliding grooves 862, correspondingly, the rotating arc frames 840 are provided with stable arc frames 863 provided with a plurality of stable rolling balls 864 matched with the stable sliding grooves 863.

[0081] The technical features not described in the present application can be implemented by or with the prior art, which will not be described here. Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present application should also be within the scope of the present application.

Claims

1. A large-scale auxiliary welding device for HVAC pipes at construction sites, characterized in that: Includes a first quick-connect bracket (200) installed at the first pipe (110), and a second quick-connect bracket (300) that cooperates with the second pipe (120) is provided on one side of the first quick-connect bracket (200). The first quick-connect bracket (200) is provided with a translation mechanism (400) to facilitate the horizontal movement of the first pipe (110) and to prepare for docking with the second pipe (120). The first quick-connect bracket (200) is provided with a horizontal drive assembly (600) that cooperates with the translation mechanism (400) and provides horizontal driving force for the first welding pipe. The first quick-connect bracket (200) is provided with a horizontal holding assembly (500) for keeping the first pipe (110) in a horizontal state. The second quick-set bracket (300) is provided with a positioning and lifting mechanism (700) for positioning and lifting the second pipe (120) to complete the preparatory operation before welding. A docking auxiliary welding mechanism (800) is provided between the first pipe (110) and the second pipe (120) to assist the first pipe (110) and the second pipe (120) in docking and to provide convenient conditions for welding operation. The first quick-setup bracket (200) includes quick-setup support columns (210) symmetrically arranged on both sides of the first pipe (110). The quick-setup support columns (210) are provided with fastening components (220) that cooperate with the ground and improve the stability of the quick-setup support columns (210). Between the two quick-setup support columns (210), there are several reinforced telescopic frame components (230) that cooperate with the two quick-setup support columns (210) to improve the overall stability. The second quick-setup bracket (300) includes several support column mechanisms (310) arranged along the axial direction of the second pipe (120). The structure of the support column mechanism (310) is the same as that of the first quick-setup bracket (200). The translation movement mechanism (400) and the horizontal maintenance component (500) are both arranged between the two quick-setup support columns (210). The positioning and lifting mechanism (700) is arranged between the support column mechanisms (310). The translation mechanism (400) includes a translation base (410) mounted on one of the reinforced telescopic frame assemblies (230), a translation arc seat (420) mounted on the translation base (410), a plurality of translation ball bearings (430) mounted on the translation arc seat (420), and a stabilizing insert rod assembly (440) cooperating with the translation base (410) mounted on the reinforced telescopic frame assembly (230); a front-mounted... The base (240) is provided with a front platform (250) that cooperates with the horizontal drive assembly (600) and the horizontal maintenance assembly (500). The reinforced telescopic frame assembly is provided with a front insertion rod assembly (260) that cooperates with the front base (240). The structure of the front base (240) is the same as that of the translation base (410), and the structure of the front insertion rod assembly (260) is the same as that of the stabilizing insertion rod assembly (440). The horizontal maintaining assembly (500) includes a maintaining hinge rope unit (510) disposed on the front base (250), a steering bracket unit (520) disposed between the two quick-set support columns (210), a translational circular frame unit (530) disposed at one end of the first pipe (110) away from the second pipe (120), and the translational circular frame unit (530) is connected to the maintaining hinge rope unit (510), and a tensioning wheel unit (540) cooperating with the maintaining hinge rope unit (510) is disposed on the front base (250); the horizontal driving assembly (600) includes a steering circular frame unit (620) disposed on the second pipe (120), a driving hinge rope unit (610) disposed on the front base (250), and the driving hinge rope unit (610) is fixedly connected to the translational circular frame unit (530) via the steering circular frame unit (620); The steering support unit (520) includes a steering base (521), and telescopic connecting frames (522) that slide and cooperate with the steering base (521) are provided on both sides of the steering base (521). A connecting sleeve (523) that cooperates with the quick-set support column (210) is provided on the telescopic connecting frame (522). A first screw (524) that cooperates with the telescopic connecting frame (522) is provided on the steering base (521). A second screw (525) is provided on the connecting sleeve (523). A steering base frame (526) is provided on the steering base (521). A steering wheel (527) is provided on the steering base frame (526). The maintaining hinge unit (510) includes a maintaining hinge frame (511) disposed on the front base (250), a maintaining roller (512) disposed on the maintaining hinge frame (511), a maintaining motor (513) cooperating with the maintaining roller (512) disposed on the maintaining hinge frame, a plurality of maintaining hinge discs (514) disposed on the maintaining roller (512), a maintaining hinge rope (515) disposed on the maintaining hinge discs (514), and the maintaining hinge rope (515) is connected to the translational circular frame unit (530) via the steering wheel (527). The translational circular frame unit (530) includes two symmetrically arranged translational semi-circular frames (531). The translational semi-circular frame (531) is provided with a circular frame screw (532) that connects to the other translational semi-circular frame (531). The translational semi-circular frame (531) is provided with a limiting screw (533) that connects to the first pipe (110). The translational semi-circular frame (531) is provided with a plurality of fixed frames (534). The fixed frames (534) are provided with fixed wheels (535).

2. The auxiliary welding device for large-scale HVAC pipes at construction sites as described in claim 1, characterized in that: The fastening assembly (220) includes a fastening base (221) located at the bottom of the quick-set support column (210), a fastening screw (222) that engages with the ground is provided on the fastening base (221), and a fastening insert (223) that is inserted into the ground is provided on the fastening base (221). The reinforced telescopic frame assembly (230) includes a reinforcing sleeve (231) respectively fitted in the two quick-set support columns (210). The reinforcing sleeve (231) is provided with a reinforcing screw (232) that cooperates with the quick-set support column (210). One of the translation sleeves is provided with a telescopic fixed cylinder (233), and the other translation sleeve is provided with a telescopic movable cylinder (234) that cooperates with the telescopic fixed cylinder (233).

3. The auxiliary welding device for large HVAC pipes at construction sites as described in claim 1, characterized in that: The translation base (410) includes a translation sleeve (411) that cooperates with the reinforced telescopic frame assembly (230). The translation sleeve (411) is provided with a translation base (412) that cooperates with the stabilizing rod assembly. The translation arc seat (420) is provided on the translation base. The translation sleeve (411) is provided with a plurality of translation screws (413) that cooperate with the reinforced telescopic frame assembly (230). The translation base (412) has several stabilizing holes (414) on both sides; the stabilizing rod assembly (440) includes a stabilizing sleeve (441) that cooperates with the reinforced telescopic frame assembly (230), the stabilizing sleeve (441) is provided with a rod base (442), and the rod base (442) is evenly provided with several stabilizing rods (443) that cooperate with the stabilizing holes (414).

4. The auxiliary welding device for large HVAC pipes at construction sites as described in claim 1, characterized in that: The drive hinge unit (610) includes a drive hinge frame (611) disposed on the front base (250), a drive roller shaft (612) disposed on the drive hinge frame, a drive motor (613) cooperating with the drive roller shaft (612) disposed on the drive hinge frame, a plurality of drive hinge discs (614) disposed on the drive roller shaft (612), a drive hinge rope (615) disposed on the drive hinge discs, and the drive hinge rope (615) is fixedly connected to the translational frame unit (530) via the steering frame unit (620); The structure of the steering frame unit (620) is the same as that of the translation frame unit (530).

5. The auxiliary welding device for large HVAC pipes at construction sites as described in claim 1, characterized in that: The positioning and lifting mechanism (700) includes a positioning telescopic frame assembly disposed between two support column mechanisms (310). The positioning telescopic frame assembly is provided with a lifting base frame (710). The positioning telescopic frame assembly is provided with a positioning insert rod assembly that cooperates with the lifting base frame (710). The lifting base frame (710) is provided with a limiting screw that cooperates with the positioning telescopic frame assembly. Flexible supports (720) are symmetrically arranged on the lifting base frame (710), and a flexible cloth (730) is arranged between the two flexible supports (720). A flexible winding assembly (740) for winding the flexible cloth (730) is arranged on the flexible support frame (720). A stable support frame (750) that cooperates with the flexible cloth (730) is arranged on the lifting base frame (710), and a stable strut assembly (760) that cooperates with the flexible cloth (730) is arranged on the stable support frame (750). The flexible winding assembly (740) includes a winding shaft (741) disposed on the flexible support (720), a winding roller (742) that cooperates with the flexible fabric (730) disposed on the winding shaft (741), and a flexible motor (743) that cooperates with the winding shaft (741) disposed on the flexible support (720). The stabilizing strut assembly (760) includes a top-supporting hydraulic rod (761) disposed on the stabilizing support frame (750), and a positioning support block (762) cooperating with the second pipe (120) is provided at the moving end of the top-supporting hydraulic rod.

6. The auxiliary welding device for large-scale HVAC pipes at construction sites as described in claim 1, characterized in that: The docking auxiliary welding mechanism (800) includes a first docking welding assembly (810) disposed on the first pipe (110), and a second docking welding assembly (870) disposed on the second pipe (120) to cooperate with the first docking welding assembly (810). The structure of the first docking welding assembly (810) is the same as the structure of the second docking welding assembly (870). The first butt welding assembly (810) includes symmetrically arranged butt semicircular frames (820). The butt semicircular frames (820) are provided with connecting screws (821) that connect to the other butt semicircular frame (820). The butt semicircular frames (820) are provided with clamping screws (822) for clamping the butt semicircular frames (820) on the first pipe (110). A semicircular rotating base (830) is provided at the end of the butt semicircular frame (820) away from the second butt welding assembly (870). A semicircular rotating half-rail (831) is provided on the rotating base (830) and is coaxially arranged with the butt semicircular frame (820) and is semicircular. The two rotating half-rails (831) on the rotating base (830) together form the same rotating track. The rotating track is provided with a rotating arc frame (840) that rotates in coordination with the rotating track. The rotating arc frame (840) is provided with a plurality of docking slides (841) along the circumferential direction of the rotating arc frame (840). The rotating arc frame (840) is provided with a plurality of docking cross frames (842) along the circumferential direction of the rotating arc frame (840). The docking slides (841) and the docking cross frames (842) are staggered. The docking slides (841) are provided with docking grooves (843) that slide in coordination with the docking cross frames (842). The docking grooves (843) are provided with a plurality of sets of shock-absorbing pulley units (850) that cooperate with the docking cross frames (842).

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