Water pipe flange assembling and welding tool

Abstract

The utility model discloses a water pipe flange installing and welding tool which comprises a tool body, a water pipe installing groove is formed in the tool body, a flange hole matched with a flange to be welded is formed in the groove bottom of the water pipe installing groove, and a welding hole site is arranged at the position, corresponding to the flange hole, of the side wall of the water pipe installing groove. The base plate is arranged at the bottom of the water pipe mounting groove; the positioning structure is at least arranged at one end of the water pipe mounting groove to achieve limiting of the end of the water pipe, and the fixing structure is arranged on the tool body to achieve radial fixing of the water pipe. Efficiency can be improved, water pipe and flange positioning precision is improved, and welding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pipe welding devices, in particular to a water pipe flange assembly welding tool. Background Art

[0002] like Figure 4 As shown, the locomotive diesel engine water pipe includes a square water pipe 51 and a flange 52 welded to the water pipe 51, and the flange 52 is waist-shaped.

[0003] When welding the flanges of existing water pipes, the center line of the waist-shaped flange in the length direction is marked, and the dimension line of the square water pipe is marked. After the operator aligns the center line of the waist-shaped flange with the dimension line of the water pipe, he uses a tape measure to measure the length direction of each waist-shaped flange and observes with the naked eye to ensure that the dimensions are correct before welding.

[0004] The existing method has the following defects:

[0005] Manual dimensioning is inefficient;

[0006] Manual alignment of the flange center line and the water pipe dimension line is prone to deviation, affecting the welding quality;

[0007] There is a cumulative error when measuring the dimensions of each waist-shaped flange in the length direction with a tape measure, which causes deviations in the center hole and threaded hole of the flange in the subsequent process, affecting the welding quality. Utility Model Content

[0008] The purpose of the utility model is to overcome the shortcomings of the prior art that the efficiency is low and the deviation affects the welding quality, and to provide a water pipe flange assembly welding tool, which can improve the efficiency and the positioning accuracy of the water pipe and the flange, and improve the welding quality.

[0009] The purpose of the utility model is achieved through the following technical solutions:

[0010] The utility model provides a water pipe flange assembly welding tool, comprising:

[0011] A tooling body, wherein a water pipe installation groove is provided on the tooling body, a flange hole matching the flange to be welded is provided at the bottom of the water pipe installation groove, and welding holes are provided at the side wall of the water pipe installation groove corresponding to the position of the flange hole;

[0012] A backing plate, the backing plate is arranged at the bottom of the water pipe installation groove;

[0013] A positioning structure, wherein the positioning structure is at least arranged at one end of the water pipe installation groove to limit the end of the water pipe,

[0014] A fixing structure is arranged on the tooling body to achieve radial fixing of the water pipe.

[0015] The utility model has the following advantages:

[0016] This solution uses a water pipe installation groove, a positioning structure and a fixing structure to achieve water pipe positioning, so that the flange corresponds to the water pipe position after being placed in the flange hole. There is no need to manually determine the position and mark the line, which solves the problem of low efficiency of waist-shaped flanges and water pipe marking, ensures the assembly size, and improves welding quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a structural schematic diagram of the water pipe flange assembly welding tool of the utility model;

[0019] Figure 2 A three-dimensional picture of the pipe flange welding tool after installing a model of water pipe from one angle;

[0020] Figure 3 A three-dimensional picture from another perspective after the water pipe flange welding tool has installed a model of water pipe;

[0021] Figure 4 This is a schematic diagram of the structure of the locomotive diesel engine water pipe. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model 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 utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model discloses a water pipe flange assembly welding tool, which is not only suitable for Figure 4 The welding of the flange of the water pipe shown in the figure is also suitable for welding the flange of water pipes of other structures. Figure 1 As shown, the water pipe flange assembly welding tool includes a tool body, a backing plate 2, a positioning structure 3 and a fixing structure 4.

[0029] A water pipe installation groove is provided on the tool body, and a flange hole 11 matching the flange to be welded is provided at the bottom of the water pipe installation groove, and a welding hole 12 is provided at the side wall of the water pipe installation groove corresponding to the position of the flange hole. The shape of the water pipe installation groove is adapted to the structure of the water pipe to be welded, so that the water pipe to be welded can be placed in the water pipe installation groove. For example, if it is used for welding such as Figure 4 When welding the locomotive diesel engine water pipe shown in the figure, the water pipe installation groove is set to be square; if used for flange welding of circular pipe column water pipes, the water pipe installation groove can be directional or arc-shaped.

[0030] The pad is arranged at the bottom of the water pipe installation groove so that the flange is placed in the flange hole 11 and fits with the water pipe 51 at a certain distance from the bottom of the water pipe installation groove, which is convenient for welding the flange and the water pipe through the welding hole 12.

[0031] The positioning structure is at least arranged at one end of the water pipe installation groove to limit the end of the water pipe. The positioning structure limits the end so that the corresponding position of the water pipe corresponds to the flange hole 11 after it is placed.

[0032] The fixing structure is arranged on the tooling body to realize radial fixing of the water pipe, thereby improving the stability of the fixing of the water pipe and improving the welding quality.

[0033] By adopting the above structure, a positioning structure is used to realize water pipe positioning, so that after the flange is placed in the flange hole 11, it corresponds to the position of the water pipe. There is no need to manually determine the position and mark the line, which solves the problem of low efficiency of waist-shaped flanges and water pipe marking, ensures the assembly size, and improves welding quality and efficiency.

[0034] There are many ways to implement the tooling body, such as using a U-shaped piece. In order to facilitate the welding of water pipes, for example, Figure 1 As shown, the tooling body includes a main board 13, adjustment columns 14 and a baffle 15 respectively arranged on both sides of the main board 13; the welding hole 12 is arranged on the baffle 15, the fixing structure 4 is arranged on the adjustment column 14, and the pad 2 is arranged on the main board 13.

[0035] In the above structure, a water pipe installation groove is formed between the main board 13, the adjustment column 14 and the baffle 15. One side of the water pipe is a baffle structure to enhance its structural stability, and the other side is a column structure, which saves materials and facilitates the placement of the water pipe.

[0036] There are multiple pads 2, and the thickness of the multiple pads is consistent to ensure the stability of the water pipe placement.

[0037] In order to further enhance the structural stability of the tooling body, an L-shaped reinforcing rib 16 is connected between the baffle 15 and the main board 13. A plurality of reinforcing ribs 16 are provided.

[0038] In order to improve the stability of radial fixation of the water pipe, there are multiple adjustment columns 14.

[0039] The positioning structure 3 realizes the position limitation of the end of the water pipe, which can be a positioning pin or a positioning plate. Figure 1 An example using a dowel pin is shown.

[0040] The fixing structure 4 can realize radial fixing of the water pipe by fastening bolts or fastening pads. When fastening bolts are used, they are installed on the adjustment column 14 through the screw hole structure; when fastening pads are used, they are placed between the water pipe and the positioning plate. When fastening pads are used, in order to adapt to water pipes of various diameters and improve the stability of radial fixing of the water pipe, the cross section of the fastening pad is triangular.

[0041] In order to simultaneously adapt to the welding of water pipe flanges with different pipe diameters, there are two groups of flange holes 11, and correspondingly, there are two groups of welding holes 12.

[0042] Exemplary:

[0043] like Figures 1 to 3 As shown, it is a tooling that can be adapted to welding flanges of water pipes with different diameters at the same time. The tooling body adopts the structure of a main board 13, an adjustment column 14 and a baffle 15. The flange holes 11 on the main board 13 are cut by laser, and two groups of flange holes 11 and mounting holes for the positioning pins of the positioning structure 3 are processed at the corresponding positions. The welding holes 12 are processed on the baffle 15 to further improve the accuracy. The fixing structure 4 adopts fastening bolts.

[0044] When welding the flange, place the water pipe in the water pipe installation groove, push one end of the water pipe to abut against the positioning pin, and then rotate the fastening bolt to tighten the water pipe. Figure 2 After the water pipe is fixed, turn over the tooling and install the flanges one by one into the flange holes 11, as shown in FIG. Figure 3 As shown, the flange spot welding can be performed from the welding hole 12.

[0045] After welding is completed, remove the fastening bolts and then remove the water pipe for subsequent welding and processing.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Water pipe flange welding tool, characterized in that: include: A tool body, wherein a water pipe installation groove is provided on the tool body, a flange hole (11) matching the flange to be welded is provided at the bottom of the water pipe installation groove, and welding holes (12) are provided at the side wall of the water pipe installation groove corresponding to the position of the flange hole; A backing plate (2), the backing plate being arranged at the bottom of the water pipe installation groove; A positioning structure (3), the positioning structure is arranged at least at one end of the water pipe installation groove to limit the end of the water pipe, and a fixing structure (4), the fixing structure is arranged on the tooling body to achieve radial fixing of the water pipe.

2. The water pipe flange assembly welding tool according to claim 1, characterized in that: The tooling body comprises a main board (13), and adjustment columns (14) and baffles (15) respectively arranged on both sides of the main board (13); The welding hole (12) is arranged on the baffle (15), the fixing structure (4) is arranged on the adjustment column (14), and the pad (2) is arranged on the main board (13).

3. The water pipe flange assembly welding tool according to claim 2 is characterized in that: An L-shaped reinforcing rib (16) is connected between the baffle (15) and the main board (13).

4. The water pipe flange assembly welding tool according to claim 2, characterized in that: There are a plurality of adjustment columns (14).

5. The water pipe flange assembly welding tool according to claim 1, characterized in that: The positioning structure (3) is a positioning pin or a positioning plate.

6. The water pipe flange assembly welding tool according to claim 1, characterized in that: The fixing structure (4) is a fastening bolt.

7. The water pipe flange assembly welding tool according to claim 1, characterized in that: The fixing structure (4) is a fastening pad.

8. The water pipe flange assembly welding tool according to claim 7, characterized in that: The cross section of the fastening pad is triangular.

9. The water pipe flange assembly welding tool according to claim 1, characterized in that: The flange holes (11) have two groups.

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