Angle steel flange welding device and construction method

Abstract

The invention relates to an angle steel flange welding device which comprises a base. The rotating assembly is vertically arranged on the base; the operation platform is arranged at the upper end of the rotating assembly, and the operation platform can perform multi-angle rotation in different directions through the rotating assembly; and the fixed frame is arranged above the operation platform, and the fixed frame is used for limiting the position of the first flange. According to the angle steel flange welding device, the first flange to be welded is placed on the fixing frame, the positions of the operation platform, the fixing frame and the first flange are adjusted through rotation of the rotating assembly, the moving frequency of constructors is reduced through rotation, the welding operation efficiency is improved, the welding quality is guaranteed, and the uniformity of flange welding is improved.

Description

Technical Field

[0001] The present invention relates to the field of engineering construction, and particularly refers to an angle steel flange welding device and a construction method. Background Art

[0002] According to Article 4.3.1 of the Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Engineering: The welds of the duct flange shall be well-fused and full, without false welding and holes; the allowable deviation of the flatness of the flange is 2 mm, and the bolt holes of the same specification flanges processed in the same batch shall be arranged in the same way and have interchangeability; according to Article 3.2.2 of the Technical Specification for Ventilation Ducts JGJ / T - 2017: The welds of the flange shall be good and full, without slag inclusion and holes; bolt holes shall be provided at the four corners of the flange, and the flanges of the same batch and the same specification shall have interchangeability.

[0003] After the operations of traditional welding processes, blanking processes and other processes, there are likely to be phenomena such as unfilled welds, slag inclusion, and holes. And after traditional blanking, welding and other process flows, it is impossible to ensure the interchangeability of the flanges of the same batch and the same specification. Summary of the Invention

[0004] The purpose of the present invention is to overcome the defects of the prior art, and provide an angle steel flange welding device and a construction method, so as to solve the problem that after the welding of the same batch of angle steel flanges is completed, they do not have interchangeability.

[0005] The technical solution for realizing the above purpose is: an angle steel flange welding device, including: a base; a rotating assembly, the rotating assembly is vertically arranged on the base; an operation platform, the operation platform is arranged at the upper end of the rotating assembly, and the operation platform can be rotated at multiple angles in different directions through the rotating assembly; a fixed frame, the fixed frame is arranged above the operation platform, and the fixed frame is used to limit the position of the first flange.

[0006] In the angle steel flange welding device of the present invention, the first flange to be welded is placed in the fixed frame, and the positions of the operation platform, the fixed frame and the first flange are adjusted by rotating through the rotating assembly. By rotating, the number of movements of the construction workers is reduced, the operation efficiency of the welding operation is improved, the welding quality is ensured, and the unity of flange welding is improved.

[0007] A further improvement of the angle steel flange welding device of the present invention is that a cross beam is arranged in the middle of the base, and the cross beam is connected to the bottom end of the rotating assembly.

[0008] A further improvement of the angle steel flange welding device of the present invention is that the rotating assembly includes: a sleeve, the bottom end of the sleeve is connected to the cross beam; an inner shaft, the inner shaft is rotatably arranged in the sleeve, and the inner shaft is connected to the operation platform to drive the operation platform to rotate.

[0009] A further improvement of an angle steel flange welding device of the present invention lies in that the inner shaft is connected to the sleeve through a bearing.

[0010] A further improvement of an angle steel flange welding device of the present invention lies in that between the fixed frame and the operation platform, there is included: a fixed clamp, and the fixed clamp can clamp and limit the fixed frame and the operation platform.

[0011] A further improvement of an angle steel flange welding device of the present invention lies in that the operation platform includes: a plurality of first cross bars, and the plurality of first cross bars are arranged at intervals in a column; two first longitudinal bars, and the two first longitudinal bars are connected between the plurality of first cross bars.

[0012] A further improvement of an angle steel flange welding device of the present invention lies in that the fixed frame forms a receiving space for placing the first flange.

[0013] A construction method of an angle steel flange welding device includes the following steps: moving the device to the construction site; placing the first flange to be welded on the fixed frame; rotating the operation platform to connect the first flange with the corresponding second flange, and connecting the first flange and the second flange with bolts; spot welding the first flange and the second flange.

[0014] A further improvement of the construction method of an angle steel flange welding device of the present invention lies in that the step of rotating the operation platform to connect the first flange with the corresponding second flange and connecting the first flange and the second flange with bolts includes: connecting and limiting between the operation platform and the fixed frame through the fixed clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an elevation view of an angle steel flange welding device of the present invention.

[0016] Figure 2 It is a sectional view of an angle steel flange welding device of the present invention.

[0017] Figure 3 It is a top view of an angle steel flange welding device of the present invention.

[0018] Figure 4 It is a flow schematic diagram of a construction method of an angle steel flange welding device of the present invention.

[0019] Figure 5 It is a flow schematic diagram of step S230 of the present invention.

[0020] In the figure: 10, base; 11, operating platform; 111, first cross bar; 112, first longitudinal bar; 12, fixed frame; 121, second cross bar; 122, second longitudinal bar; 123, accommodation space; 13, sleeve; 14, inner shaft; 15, bearing. Detailed implementation manners

[0021] The present invention will be further described below in conjunction with the accompanying drawings and detailed implementation manners.

[0022] Refer to Figure 1 , which shows an elevation view of an angle steel flange welding device of the present invention. The present invention provides an angle steel flange welding device, including: base 10.

[0023] Among them, the base 10 is arranged in a rectangular frame structure and can be directly placed on the construction ground.

[0024] Rotating assembly, the rotating assembly is vertically arranged on the base 10.

[0025] Among them, there is no rotation between the rotating assembly and the base 10. The rotating assembly will be described in detail below and will not be elaborated here.

[0026] Operating platform 11, the operating platform 11 is arranged at the upper end of the rotating assembly, and the operating platform 11 can be rotated at multiple angles in different directions through the rotating assembly.

[0027] Among them, the operating platform 11 is horizontally arranged and is parallel to the base 10, and the operating platform 11 rotates horizontally.

[0028] Fixed frame 12, the fixed frame 12 is arranged above the operating platform 11, and the fixed frame 12 is used to limit the position of the first flange.

[0029] Among them, the fixed frame 12 is not directly connected to the operating platform 11.

[0030] Refer to Figure 2 , which shows a cross-sectional view of an angle steel flange welding device of the present invention. The present invention provides an angle steel flange welding device, and a cross beam is arranged in the middle of the base 10, and the cross beam is connected to the bottom end of the rotating assembly.

[0031] Among them, the rotating assembly is connected to the middle section of the cross beam, which can ensure the overall stability of the structure.

[0032] Refer to Figure 1 and Figure 2 , Figure 1 which shows an elevation view of an angle steel flange welding device of the present invention, Figure 2Shows a cross-sectional view of an angle steel flange welding device of the present invention. The present invention provides an angle steel flange welding device, and the rotating assembly includes: a sleeve 13, and the bottom end of the sleeve 13 is connected to the cross beam.

[0033] Among them, the size of the sleeve 13 is set according to actual construction requirements, and no specific limitation is made here.

[0034] In this embodiment, the sleeve 13 can be set as a telescopic structure, and the height of the sleeve 13 can be adjusted according to construction requirements, that is, the heights of the operation platform 11 and the fixed frame 12 are adjusted to facilitate flange docking.

[0035] An inner shaft 14, the inner shaft 14 is rotatably arranged in the sleeve 13, and is connected between the inner shaft 14 and the operation platform 11 to drive the operation platform 11 to rotate.

[0036] Among them, the upper end of the inner shaft 14 is connected to the bottom of the operation platform 11, and the rotation of the inner shaft 14 drives the operation platform 11 and the fixed frame 12 to rotate as a whole. The rotation direction and the rotation angle can be selected according to actual construction requirements, and no specific limitation is made here.

[0037] Refer to Figure 2 , which shows a cross-sectional view of an angle steel flange welding device of the present invention. The present invention provides an angle steel flange welding device, and the inner shaft 14 and the sleeve 13 are connected through a bearing 15.

[0038] Among them, the inner shaft 14 can rotate inside the sleeve 13, and the inner diameter width of the sleeve 13 is set to be larger than the width of the inner shaft 14.

[0039] The present invention provides an angle steel flange welding device. Between the fixed frame 12 and the operation platform 11 includes: a fixed clamp, and the fixed clamp can clamp and limit the fixed frame 12 and the operation platform 11.

[0040] Among them, the fixed clamp is arranged on the second cross bar 121 on the outer side of the fixed frame 12, which is convenient for operation and simple to operate.

[0041] Refer to Figure 3 , which shows a top view of an angle steel flange welding device of the present invention. The present invention provides an angle steel flange welding device, and the operation platform 11 includes: a plurality of first cross bars 111, and the plurality of first cross bars 111 are arranged at intervals in a column.

[0042] Among them, the plurality of first cross bars 111 are arranged parallel to each other, and the intervals between adjacent first cross bars 111 are set to be the same.

[0043] Two first longitudinal bars 112, and the two first longitudinal bars 112 are connected between the plurality of first cross bars 111.

[0044] Among them, the first longitudinal rod 112 is connected to the end of the first cross rod 111.

[0045] In this embodiment, a plurality of first cross rods 111 are arranged on the same horizontal plane, and two first longitudinal rods 112 are vertically arranged with respect to the first cross rods 111 within the same horizontal plane and are connected to the same-side ends of the three first cross rods 111. The operation platform 11 is enclosed to form a grid structure, which facilitates the connection of the upper and lower layer structures. The number and size of the first cross rods 111 can be set according to actual construction requirements, and no specific limitation is made here.

[0046] Refer to Figure 3 , which shows a top view of an angle steel flange welding device of the present invention. The present invention provides an angle steel flange welding device, and a fixing frame 12 forms an accommodation space 123 for placing the first flange.

[0047] Among them, the fixing frame 12 includes two second cross rods 121 and two second longitudinal rods 122. The two second cross rods 121 are arranged oppositely, and the two second longitudinal rods 122 are respectively connected to the same-side ends of the two second cross rods 121. The second longitudinal rods 122 and the second cross rods 121 are perpendicularly arranged to each other, and a rectangular accommodation space 123 is formed between the second cross rods 121 and the second longitudinal rods 122.

[0048] In other embodiments, the second longitudinal rods 122 and the second cross rods 121 are arranged to be movably connected, so that the distance between the two second longitudinal rods 122 can be adjusted to correspondingly place flanges of different sizes.

[0049] Refer to Figure 4 , which shows a schematic flow chart of a construction method of an angle steel flange welding device of the present invention. The present invention provides a construction method of an angle steel flange welding device, including the following steps:

[0050] Execute step S210: Move the device to the construction point.

[0051] Among them, the corresponding heights of the operation platform 11 and the fixing frame 12 can be adjusted according to the construction height, and then step S220 is executed.

[0052] Execute step S220: Place the first flange to be welded on the fixing frame 12.

[0053] Among them, before placing, the second longitudinal rods 122 on the fixing frame 12 need to be adjusted to correspond to and match the size of the first flange so as to support the first flange, and then step S230 is executed.

[0054] Execute step S230: Rotate the operation platform 11 to connect the first flange with the corresponding second flange, and connect the first flange and the second flange with bolts.

[0055] Among them, bolt fixing holes corresponding to the bolts are provided on the flange. The bolts can preliminarily fix the first flange and the second flange to prevent displacement during welding. Then, step S240 is executed.

[0056] Execute step S240: Spot-weld the first flange and the second flange together.

[0057] Among them, after the spot-welding connection is completed, the bolts can be removed. The bolts can be used multiple times, reducing costs.

[0058] Refer to Figure 5 , which shows the flow schematic diagram of step S230 of the present invention. The present invention provides a construction method for an angle steel flange welding device. Step S230 includes:

[0059] Execute step S231: Connect and limit the operation platform 11 and the fixed frame 12 through a fixed clamp.

[0060] Among them, the fixed frame 12 is limited by the fixed clamp to prevent displacement and deviation at the flange connection caused by the movement of the fixed frame 12, improving the fault tolerance rate of flange welding.

[0061] The present invention has been described in detail in combination with the embodiments with reference to the drawings. Those of ordinary skill in the art can make various changes to the present invention according to the above description. Therefore, some details in the embodiments should not constitute a limitation to the present invention. The protection scope of the present invention will be defined by the scope defined in the appended claims.

Claims

1. An angle steel flange welding device, characterized in that: include: Base; A rotating assembly, the rotating assembly is vertically arranged on the base; An operating platform, which is disposed at the upper end of the rotating assembly and can be rotated at multiple angles in different directions through the rotating assembly; A fixed frame is arranged above the operating platform and is used to limit the position of the first flange.

2. The angle steel flange welding device according to claim 1, characterized in that: A crossbeam is arranged in the middle of the base, and the crossbeam is connected to the bottom end of the rotating assembly.

3. The angle steel flange welding device according to claim 2, characterized in that: The rotating assembly comprises: A sleeve, the bottom end of which is connected to the crossbeam; The inner shaft is rotatably disposed in the sleeve and is connected to the operating platform to drive the operating platform to rotate.

4. The angle steel flange welding device according to claim 3, characterized in that: The inner shaft is connected to the sleeve via a bearing.

5. The angle steel flange welding device according to claim 1, characterized in that: The fixed frame and the operating platform include: A fixing clamp, which can clamp and limit the fixing frame and the operating platform.

6. The angle steel flange welding device according to claim 1, characterized in that: The operating platform comprises: A plurality of first crossbars, wherein the plurality of first crossbars are arranged in rows and at intervals; Two first longitudinal bars, wherein the two first longitudinal bars are connected between the plurality of first transverse bars.

7. The angle steel flange welding device according to claim 1, characterized in that: The fixing frame forms an accommodating space for placing the first flange.

8. A construction method for an angle steel flange welding device, characterized in that: The steps include: Move the device to the construction site; Place the first flange to be welded on the fixed frame; Rotate the operating platform to connect the first flange with the corresponding second flange, and connect the first flange and the second flange with bolts; The first flange and the second flange are connected by spot welding.

9. The construction method of the angle steel flange welding device according to claim 8, characterized in that: The rotating operation platform connects the first flange with the corresponding second flange, and the first flange and the second flange are connected by bolts, including: The operating platform and the fixed frame are connected and limited by a fixing clamp.

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