Adjustable circular tube welding platform

Abstract

The utility model discloses an adjustable round pipe welding platform which comprises a left platform frame, a right platform frame, two lifting frames and a hanging piece used for being fixedly connected with a round pipe, and the left end of the right platform frame is connected with the right end of the left platform frame and can relatively slide in the left-right direction to adjust the position. Wherein one lifting frame is installed at the left end of the left platform frame and can be adjusted up and down relative to the left platform frame, the other lifting frame is installed at the right end of the right platform frame and can be adjusted up and down relative to the right platform frame, and hanging frames are rotationally installed at the upper ends of the two lifting frames. The left end and the right end of the hanging piece are detachably connected with the two hanging frames in a one-to-one correspondence mode. The adjustable round pipe welding platform can meet the high-altitude welding requirements of round pipes of different sizes, field welding construction of the round pipes is facilitated, and the adjustable round pipe welding platform is safe and stable in overall structure, convenient to mount and dismount, capable of being used repeatedly and high in turnover rate.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to an adjustable round pipe welding platform. Background Art

[0002] Large-span space steel structures mainly adopt the structure of tube trusses or lattice shells, which have the characteristics of large cross-section, large span, and high clearance, and are widely used in the structures of stadiums, exhibition centers, etc. Among them, the circular tube section of the tube truss structure is generally large. When welding on site, due to the high clear height of the structure, complex on-site environment, many on-site installation personnel, and long welding construction time, it is difficult to use mechanical equipment such as aerial platforms to assist construction on site, which is inconvenient for on-site construction. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes an adjustable round pipe welding platform, which can meet the high-altitude welding requirements of round pipes of different sizes, facilitate the on-site welding construction of round pipes, and the overall structure of the adjustable round pipe welding platform is safe and stable, easy to install and disassemble, can be used repeatedly, and has a high turnover rate.

[0004] According to an embodiment of the utility model, an adjustable round tube welding platform comprises a left platform frame, a right platform frame, two lifting frames and a hanger fixedly connected to the round tube, the left end of the right platform frame is connected to the right end of the left platform frame and can slide relatively along the left and right directions to adjust the position; the lifting frame is located on the upper side of the left platform frame and the right platform frame, one of the lifting frames is installed at the left end of the left platform frame and can adjust the position up and down relative to the left platform frame, the other lifting frame is installed at the right end of the right platform frame and can adjust the position up and down relative to the right platform frame, and the upper ends of the two lifting frames are rotatably installed with hangers; the left and right ends of the hanger are detachably hung with the two hangers in a one-to-one correspondence, and the left platform frame, the right platform frame, the two lifting frames, the two hangers and the hanger enclose a receiving hole for the round tube to pass through.

[0005] According to some embodiments of the present invention, the hanger is arc-shaped and the radius of the hanger is consistent with the radius of the circular tube.

[0006] According to some embodiments of the utility model, hooks for connecting with the hanger are arranged upward at the left and right ends of the hanger, and the distance between the center of the hanger and the bottom wall of the accommodating hole is greater than the radius of the hanger.

[0007] According to some embodiments of the utility model, at least two horizontal adjustment connectors are included, the left end of the horizontal adjustment connector is connected to the right end of the left platform frame by a first bolt, and the right end of the horizontal adjustment connector is connected to the left end of the right platform frame by a second bolt, wherein the left end of the horizontal adjustment connector and / or the right end of the left platform frame are provided with at least two first mounting holes for installing the first bolts, and the right end of the horizontal adjustment connector and / or the left end of the right platform frame are provided with at least two second mounting holes for installing the second bolts.

[0008] According to some embodiments of the utility model, a connecting frame is disposed upward at the left end of the left platform frame and the right end of the right platform frame, and the lifting frame can be slid up and down to dock with the corresponding connecting frame.

[0009] According to some embodiments of the utility model, at least two vertical adjustment connecting members are arranged between the connecting frame and the corresponding lifting frame, the lower end of the vertical adjustment connecting member is connected to the connecting frame through a third bolt, and the upper end of the vertical adjustment connecting member is connected to the corresponding lifting frame through a fourth bolt, wherein the lower end of the vertical adjustment connecting member and / or the connecting frame are provided with at least two third mounting holes for installing the third bolts, and the upper end of the vertical adjustment connecting member and / or the lifting frame are provided with at least two fourth mounting holes for installing the fourth bolts.

[0010] According to some embodiments of the utility model, an oblique rod is connected between the connecting frame located on the left side and the right end of the left platform frame, and an oblique rod is connected between the connecting frame located on the right side and the left end of the right platform frame.

[0011] According to some embodiments of the utility model, the hanger includes two arc-shaped connecting members spaced apart along the front-to-back direction, the two arc-shaped connecting members are connected by at least two intermediate connecting members, and the hooks are arranged upward at both left and right ends of each arc-shaped connecting member.

[0012] According to some embodiments of the present utility model, a stopper for welding with a round tube is connected to the intermediate connecting piece.

[0013] According to some embodiments of the utility model, the hanger includes a rotating shaft, a hanging rod and two connecting plates arranged at intervals along the front-to-back direction, the two connecting plates are connected by the rotating shaft and the hanging rod, the rotating shaft is rotatably installed on the upper end of the corresponding lifting frame, and the hanging rod is hung with the hook of the corresponding hanger.

[0014] An adjustable round tube welding platform according to an embodiment of the utility model has at least the following beneficial effects:

[0015] 1. The adjustable round tube welding platform provided by the utility model can be fixedly installed on the round tube before the round tube is hoisted, and then hoisted to a predetermined position together with the round tube. When the staff works at high altitude, they can enter the adjustable round tube welding platform to perform installation, calibration, welding and other operations, which is convenient for on-site construction;

[0016] 2. The adjustable round tube welding platform provided by the utility model can be replaced with an appropriate hanger according to the diameter of the round tube during the process of being fixedly installed on the round tube, and then the hanger is set on the top of the round tube and fixedly connected to the round tube. The right platform frame and the left platform frame can be telescopically adjusted left and right so that the horizontal width of the accommodating hole can adapt to the size of different round tubes. The height positions of the two lifting frames can be adjusted up and down so that the vertical width of the accommodating hole can adapt to the size of different round tubes, and the two rotatable hangers can be rotated and adjusted according to the size of the round tube to ensure that the two The hanger can be hung together with the hanger, so that the entire adjustable round tube welding platform can be firmly hung on the round tube to be hoisted, ensuring safe use; after completing the hoisting of a round tube, the hanger is disengaged from the hanger by rotating the hanger, and then the adjustable round tube welding platform is removed from the hoisted round tube, waiting for the next use of the adjustable round tube welding platform, wherein the old hanger can be left on the hoisted round tube, and the subsequent adjustable round tube welding platform can be replaced with a suitable hanger according to the diameter of the round tube to be hoisted, so as to facilitate the multiple turnover of the adjustable round tube welding platform. With the above-mentioned settings, the adjustable round tube welding platform provided by the utility model can meet the needs of high-altitude welding of round tubes of different diameters, facilitate the on-site welding construction of round tubes, and the overall structure of the adjustable round tube welding platform is safe and stable, easy to install and disassemble, can be used multiple times, and has a high turnover rate;

[0017] 3. By adjusting the installation position of the first bolt and the installation position of the second bolt, the left end of the right platform frame and the right end of the left platform frame can be adjusted relative to each other in the left and right directions. Alternatively, by replacing horizontal adjustment connectors of different lengths, the left end of the right platform frame and the right end of the left platform frame can be adjusted relative to each other in the left and right directions. At the same time, the horizontal adjustment connector is fixedly connected to the left platform frame by the first bolt and fixedly connected to the right platform frame by the second bolt, which can ensure the stability and reliability of the overall structure of the adjustable round tube welding platform.

[0018] 4. The lifting and lowering adjustment position of the lifting frame can be achieved by adjusting the installation position of the third bolt and the installation position of the fourth bolt, or the lifting and lowering adjustment position of the lifting frame can be achieved by replacing vertical adjustment connectors of different lengths. At the same time, the vertical adjustment connector is fixedly connected to the corresponding connecting frame by the third bolt and is fixedly connected to the corresponding lifting frame by the fourth bolt, which can ensure the stability and reliability of the overall structure of the adjustable round tube welding platform.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 It is a schematic diagram of an adjustable round pipe welding platform according to an embodiment of the utility model;

[0022] Figure 2 for Figure 1 An exploded view of the adjustable round tube welding platform is shown;

[0023] Figure 3 for Figure 1 The schematic diagram of the adjustable round tube welding platform when it is hung on the round tube;

[0024] Figure 4 for Figure 3 A front view of the adjustable round tube welding platform is shown.

[0025] Reference numerals:

[0026] Left platform frame 110a, right platform frame 110b, connecting frame 111, lifting frame 120, hanging frame 130, rotating shaft 131, hanging rod 132, connecting plate 133, hanging part 140, arc connecting part 141, hook 1411, intermediate connecting part 142, block 1421, horizontal adjustment connecting part 150, vertical adjustment connecting part 160, diagonal rod 170, accommodating hole 180, first mounting hole 191, second mounting hole 192, third mounting hole 193, fourth mounting hole 194, first bolt 210, second bolt 220, third bolt 230, fourth bolt 240, round tube 300. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] Reference Figure 1 According to an embodiment of the utility model, an adjustable round pipe welding platform includes a left platform frame 110a, a right platform frame 110b, two lifting frames 120 and a hanger 140 for being fixedly connected to the round pipe 300. The left end of the right platform frame 110b is connected to the right end of the left platform frame 110a and can slide relatively along the left and right directions to adjust the position; the lifting frames 120 are located on the upper sides of the left platform frame 110a and the right platform frame 110b, and one of the lifting frames 120 is installed at the left end of the left platform frame 110a and can Relative to the left platform frame 110a, the other lifting frame 120 is installed at the right end of the right platform frame 110b and can be adjusted up and down relative to the right platform frame 110b. The upper ends of the two lifting frames 120 are rotatably installed with hangers 130; the left and right ends of the hanger 140 are detachably hung with the two hangers 130 one by one, and the left platform frame 110a, the right platform frame 110b, the two lifting frames 120, the two hangers 130 and the hanger 140 are enclosed to form a accommodating hole 180 for the round tube 300 to pass through.

[0032] Reference Figure 3 and Figure 4 In the specific implementation process, the adjustable round tube welding platform provided by the utility model can be fixedly installed on the round tube 300 before the round tube 300 is hoisted, and then hoisted to a predetermined position together with the round tube 300. When the staff works at high altitude, they can enter the adjustable round tube welding platform to perform installation, correction, welding and other operations, which is convenient for on-site construction.

[0033] Reference Figure 3 and Figure 4 The adjustable round tube welding platform provided by the utility model can be replaced with an adapted hanger 140 according to the diameter of the round tube 300 during the process of being fixedly installed on the round tube 300, and then the hanger 140 can be set on the top of the round tube 300 and fixedly connected to the round tube 300. The right platform frame 110b and the left platform frame 110a can be telescopically adjusted left and right so that the horizontal width of the accommodating hole 180 can adapt to the size of different round tubes 300. The height positions of the two lifting frames 120 can be adjusted up and down so that the vertical width of the accommodating hole 180 can adapt to the size of different round tubes 300. The two rotatable hangers 130 can be rotated and adjusted according to the size of the round tube 300. And ensure that the two hangers 130 can be hung together with the hanger 140, thereby, the entire adjustable round tube welding platform can be firmly hung on the round tube 300 to be hoisted, ensuring safe use; after completing the hoisting of a round tube 300, the hanger 130 is disengaged from the hanger 140 by rotating the hanger 130, and then the adjustable round tube welding platform is removed from the hoisted round tube 300, ready for the next use of the adjustable round tube welding platform, wherein the old hanger 140 can be left on the hoisted round tube 300, and the subsequent adjustable round tube welding platform can be replaced with a suitable hanger 140 according to the diameter size of the round tube 300 to be hoisted, so as to facilitate the multiple turnover use of the adjustable round tube welding platform. By adopting the above-mentioned setting, the adjustable round tube welding platform provided by the utility model can meet the high-altitude welding needs of round tubes 300 of different diameters, facilitate the on-site welding construction of round tubes 300, and the overall structure of the adjustable round tube welding platform is safe and stable, easy to install and disassemble, can be used multiple times, and has a high turnover rate.

[0034] Reference Figure 2 and Figure 4 According to some embodiments of the present invention, the hanger 140 is arc-shaped and the radius of the hanger 140 is consistent with the radius of the round tube 300. In the specific implementation process, the hanger 140 with the same radius is replaced according to the radius of the round tube 300 to be hoisted, so that the hanger 140 can be closely attached to the surface of the round tube 300, thereby ensuring that the adjustable round tube welding platform can be hung on the round tube 300 more safely and stably.

[0035] Reference Figure 2 and Figure 4According to some embodiments of the utility model, hooks 1411 for hanging with the hanger 130 are upwardly arranged at the left and right ends of the hanger 140, and the distance between the center of the hanger 140 and the bottom wall of the receiving hole 180 is greater than the radius of the hanger 140. With the above arrangement, when the adjustable round tube welding platform is hung on the round tube 300, there is a certain height gap between the round tube 300 and the bottom wall of the mounting hole. Therefore, after the round tube 300 is welded on site, the crane can lift the adjustable round tube welding platform up a distance relative to the round tube 300, so that the cooperation between the hanger 130 and the hanger 140 is loosened, and then the hanger 130 can be easily rotated to separate from the hanger 140, so that the adjustable round tube welding platform can be more conveniently removed from the round tube 300 after the construction is completed.

[0036] Reference Figure 1 and Figure 2 According to some embodiments of the utility model, at least two horizontal adjustment connectors 150 are included, the left end of the horizontal adjustment connector 150 is connected to the right end of the left platform frame 110a through a first bolt 210, and the right end of the horizontal adjustment connector 150 is connected to the left end of the right platform frame 110b through a second bolt 220, wherein the left end of the horizontal adjustment connector 150 and\or the right end of the left platform frame 110a are provided with at least two first mounting holes 191 for installing the first bolt 210, and the right end of the horizontal adjustment connector 150 and\or the left end of the right platform frame 110b are provided with at least two second mounting holes 192 for installing the second bolt 220. By adopting the above-mentioned arrangement, the installation position of the first bolt 210 and the installation position of the second bolt 220 can be adjusted to achieve a relative sliding adjustment position between the left end of the right platform frame 110b and the right end of the left platform frame 110a in the left-right direction, or, by replacing the horizontal adjustment connecting piece 150 of different lengths, the relative sliding adjustment position between the left end of the right platform frame 110b and the right end of the left platform frame 110a in the left-right direction can be achieved. At the same time, the horizontal adjustment connecting piece 150 is fixedly connected to the left platform frame 110a by the first bolt 210 and is fixedly connected to the right platform frame 110b by the second bolt 220, thereby ensuring the stability and reliability of the overall structure of the adjustable round tube welding platform.

[0037] Reference Figure 1 and Figure 2 According to some embodiments of the present invention, a connecting frame 111 is provided upward at the left end of the left platform frame 110a and the right end of the right platform frame 110b, and the lifting frame 120 can be slid up and down to dock with the corresponding connecting frame 111. Through the setting of the connecting frame 111, the lifting frame 120 can be easily disassembled and assembled and its position can be adjusted up and down.

[0038] Reference Figure 1 and Figure 2According to some embodiments of the present utility model, at least two vertical adjustment connectors 160 are arranged between the connecting frame 111 and the corresponding lifting frame 120, the lower end of the vertical adjustment connector 160 is connected to the connecting frame 111 through a third bolt 230, and the upper end of the vertical adjustment connector 160 is connected to the corresponding lifting frame 120 through a fourth bolt 240, wherein the lower end of the vertical adjustment connector 160 and / or the connecting frame 111 are provided with at least two third mounting holes 193 for installing the third bolts 230, and the upper end of the vertical adjustment connector 160 and / or the lifting frame 120 are provided with at least two fourth mounting holes 194 for installing the fourth bolts 240. By adopting the above-mentioned arrangement, the lifting and lowering adjustment position of the lifting frame 120 can be achieved by adjusting the installation position of the third bolt 230 and the installation position of the fourth bolt 240, or the lifting and lowering adjustment position of the lifting frame 120 can be achieved by replacing the vertical adjustment connecting piece 160 of different lengths. At the same time, the vertical adjustment connecting piece 160 is fixedly connected to the corresponding connecting frame 111 by the third bolt 230 and is fixedly connected to the corresponding lifting frame 120 by the fourth bolt 240, thereby ensuring the stability and reliability of the overall structure of the adjustable round tube welding platform.

[0039] It is conceivable that, in other embodiments, other methods may be used to achieve relative sliding adjustment of the position between the left end of the right platform frame 110b and the right end of the left platform frame 110a in the left-right direction. For example, the left end of the right platform frame 110b can be slidably inserted into the right end of the left platform frame 110a, and the left end of the right platform frame 110b and the right end of the left platform frame 110a are fixed by bolts, and more than two mounting holes are provided on the left end of the right platform frame 110b and the right end of the left platform frame 110a. Therefore, during the adjustment process, the installation position of the bolts can be adjusted according to actual conditions.

[0040] It should be noted that other installation methods of the lifting frame 120 can refer to the installation method between the left end of the right platform frame 110b and the right end of the left platform frame 110a, which will not be described in detail here.

[0041] Reference Figure 1 and Figure 2 According to some embodiments of the utility model, an inclined rod 170 is connected between the connecting frame 111 on the left and the right end of the left platform frame 110a, and an inclined rod 170 is connected between the connecting frame 111 on the right and the left end of the right platform frame 110b, so as to further improve the structural stability of the entire adjustable round tube welding platform.

[0042] Reference Figure 1 and Figure 2According to some embodiments of the utility model, the hanger 140 includes two arc-shaped connecting members 141 spaced apart in the front-to-back direction, the two arc-shaped connecting members 141 are connected by at least two intermediate connecting members 142, and hooks 1411 are upwardly arranged at both left and right ends of each arc-shaped connecting member 141. With the above arrangement, the hanger 140 is easy to assemble, and the arc-shaped connecting member 141 and the intermediate connecting member 142 can be conveniently spot-welded to the surface of the round tube 300.

[0043] Reference Figure 1 and Figure 2 According to some embodiments of the present invention, a stopper 1421 for welding with the round tube 300 is connected to the intermediate connecting member 142 to improve the connection strength between the hanger 140 and the round tube 300 .

[0044] Reference Figure 1 and Figure 2 According to some embodiments of the utility model, the hanger 130 includes a rotating shaft 131, a hanging rod 132 and two connecting plates 133 arranged at intervals along the front-back direction, the two connecting plates 133 are connected by the rotating shaft 131 and the hanging rod 132, the rotating shaft 131 is rotatably mounted on the upper end of the corresponding lifting frame 120, and the hanging rod 132 is hung with the hook 1411 of the corresponding hanging member 140. The above arrangement is convenient for assembling the hanger 130 and for hanging the hanger 130 with the hanging member 140.

[0045] In specific implementation, the use process of the adjustable round tube welding platform includes:

[0046] 1. Spot weld the hanger 140 to the top of the round tube 300 to be hoisted in advance, and weld a stopper 1421 between the intermediate connector 142 and the round tube 300 for reinforcement;

[0047] 2. According to the actual size of the round pipe 300 to be hoisted, complete the splicing, height adjustment and fixing of the left platform frame 110a and the corresponding lifting frame 120 on the ground; complete the splicing, height adjustment and fixing of the left platform frame 110a and the corresponding lifting frame 120 on the ground;

[0048] 3. Hang the hangers 130 on the two lifting frames 120 on the hangers 140 in order, and complete the installation of the horizontal adjustment connector 150 between the left platform frame 110a and the right platform frame 110b;

[0049] 4. Connect the entire adjustable round pipe welding platform with the round pipe 300 (i.e. Figure 3 The round tube 300 located at the rear side of the pipe is hoisted to the designated installation position at high altitude to be connected with other installed round tubes 300 (i.e. Figure 3 The circular tube 300 located at the front side is connected.

[0050] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0051] The embodiment is described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the present purpose.

Claims

1. An adjustable round tube welding platform, characterized in that: include: Left platform frame (110a); A right platform frame (110b), the left end of which is connected to the right end of the left platform frame (110a) and can slide relatively along the left-right direction to adjust the position; Two lifting frames (120) are located on the upper sides of the left platform frame (110a) and the right platform frame (110b), wherein one of the lifting frames (120) is installed at the left end of the left platform frame (110a) and can be adjusted up and down relative to the left platform frame (110a), and the other lifting frame (120) is installed at the right end of the right platform frame (110b) and can be adjusted up and down relative to the right platform frame (110b), and the upper ends of the two lifting frames (120) are both rotatably mounted with hanging frames (130); A hanger (140) is used for being fixedly connected to a circular tube (300), wherein the left and right ends of the hanger (140) are detachably hung on the two hangers (130) in a one-to-one correspondence, and the left platform frame (110a), the right platform frame (110b), the two lifting frames (120), the two hangers (130) and the hanger (140) are enclosed to form a receiving hole (180) for the circular tube (300) to pass through.

2. The adjustable round tube welding platform according to claim 1, characterized in that: The hanging piece (140) is arc-shaped, and the radius of the hanging piece (140) is consistent with the radius of the circular tube (300).

3. The adjustable round tube welding platform according to claim 2, characterized in that: The left and right ends of the hanger (140) are upwardly provided with hooks (1411) for hanging with the hanger (130), and the distance between the center of the hanger (140) and the bottom wall of the accommodating hole (180) is greater than the radius of the hanger (140).

4. The adjustable round tube welding platform according to claim 1, characterized in that: The invention comprises at least two horizontal adjustment connecting members (150), wherein the left end of the horizontal adjustment connecting member (150) is connected to the right end of the left platform frame (110a) via a first bolt (210), and the right end of the horizontal adjustment connecting member (150) is connected to the left end of the right platform frame (110b) via a second bolt (220), wherein the left end of the horizontal adjustment connecting member (150) and / or the right end of the left platform frame (110a) are provided with at least two first mounting holes (191) for mounting the first bolts (210), and the right end of the horizontal adjustment connecting member (150) and / or the left end of the right platform frame (110b) are provided with at least two second mounting holes (192) for mounting the second bolts (220).

5. The adjustable round tube welding platform according to claim 1, characterized in that: The left end of the left platform frame (110a) and the right end of the right platform frame (110b) are both provided with a connecting frame (111) facing upward, and the lifting frame (120) can be slidably connected to the corresponding connecting frame (111) up and down.

6. The adjustable round tube welding platform according to claim 5, characterized in that: At least two vertical adjustment connecting members (160) are arranged between the connecting frame (111) and the corresponding lifting frame (120), the lower end of the vertical adjustment connecting member (160) is connected to the connecting frame (111) by a third bolt (230), and the upper end of the vertical adjustment connecting member (160) is connected to the corresponding lifting frame (120) by a fourth bolt (240), wherein the lower end of the vertical adjustment connecting member (160) and / or the connecting frame (111) are provided with at least two third mounting holes (193) for mounting the third bolts (230), and the upper end of the vertical adjustment connecting member (160) and / or the lifting frame (120) are provided with at least two fourth mounting holes (194) for mounting the fourth bolts (240).

7. The adjustable round pipe welding platform according to claim 5, characterized in that: An oblique rod (170) is connected between the connecting frame (111) located on the left side and the right end of the left platform frame (110a), and an oblique rod (170) is connected between the connecting frame (111) located on the right side and the left end of the right platform frame (110b).

8. The adjustable round tube welding platform according to claim 3, characterized in that: The hanging member (140) comprises two arc-shaped connecting members (141) arranged at intervals in the front-to-back direction, the two arc-shaped connecting members (141) are connected via at least two intermediate connecting members (142), and the hooks (1411) are arranged upward at both left and right ends of each arc-shaped connecting member (141).

9. The adjustable round pipe welding platform according to claim 8, characterized in that: The intermediate connecting piece (142) is connected to a stopper (1421) for welding with the round tube (300).

10. The adjustable round pipe welding platform according to claim 3, characterized in that: The hanging bracket (130) comprises a rotating shaft (131), a hanging rod (132) and two connecting plates (133) arranged at intervals in the front-to-back direction. The two connecting plates (133) are connected via the rotating shaft (131) and the hanging rod (132). The rotating shaft (131) is rotatably mounted on the upper end of the corresponding lifting frame (120). The hanging rod (132) is hung with a hook (1411) of the corresponding hanging component (140).

Images