Novel multi-directional elbow flange one-time assembly forming positioning device

Abstract

The utility model provides a novel multi-directional elbow flange one-time assembly forming positioning device, and belongs to the field of flange assembly. One side of a vertical plate is perpendicularly fixed to the bottom of a connecting plate, the other side of the vertical plate is connected with a transition plate, and the transition plate is connected with an elbow flange to be assembled; the supporting plate is a circular ring supporting plate, a flange to be assembled is placed on the lower side of the positioning device, eight through holes are evenly distributed in the supporting plate in the circumferential direction at the included angle of 45 degrees, the supporting plate and the connecting plates are located on the same horizontal plane, each through hole in the supporting plate is fixed to one connecting plate through the connecting channel steel, and the connecting channel steel is fixed to the connecting plates and the supporting plate. And the short positioning pin and the long positioning pin are respectively arranged between the connecting channel steel and the connecting plate as well as the supporting plate. According to the utility model, the elbow flange and the flange of a new structure in eight directions can be quickly positioned, one-step assembly forming is ensured, the problems of large workload of worker operation and inaccurate flange assembly forming are solved, and meanwhile, the product precision requirement is ensured.

Description

Technical Field

[0001] This utility model relates to the field of flange assembly, and in particular to a novel multi-directional elbow flange one-time assembly and positioning device. Background Technology

[0002] During the manufacturing process of a gasifier for a project at our company, it was necessary to position and weld eight elbow flanges together. The conventional production method involves marking the center lines of the eight elbow flanges on the upper surface of the distribution pipe box, and then using a laser pointer and a string line to determine the center position for welding. However, this method not only involves a heavy workload for workers, but also results in inaccuracies in the flange height, angle, and orientation. In this case, the conventional method could no longer meet the product precision requirements. Utility Model Content

[0003] This utility model overcomes the above-mentioned problems in the prior art and provides a novel multi-directional elbow flange one-time assembly and positioning device. To achieve the above objective, the technical solution adopted by this utility model is as follows:

[0004] A novel multi-directional elbow flange one-time assembly and positioning device includes a connecting channel steel, a support plate, a transition frame, short positioning pins, long positioning pins, bolts, nuts, and washers. The transition frame includes a connecting plate, a vertical plate, and a transition plate. The bottom of the connecting plate is vertically fixed to one side of the vertical plate, and the other side of the vertical plate is connected to the transition plate. The transition plate is connected to the elbow flange to be assembled. The support plate is a circular support plate. The flange to be assembled is placed on the lower side of the positioning device. The support plate has eight through holes evenly distributed at a 45° angle around its circumference. The support plate and the connecting plate are on the same horizontal plane. Each through hole on the support plate is fixed to a connecting plate via the connecting channel steel. The connecting channel steel is fixed to the connecting plate and the support plate via bolts, nuts, and washers, respectively. The short positioning pins and long positioning pins are respectively disposed between the connecting channel steel and the connecting plate and the support plate.

[0005] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device. Marking lines are provided at positions of 0°, 90°, 180°, and 270° on the support plate, and the included angle between the through hole and the marking line is 7.5°.

[0006] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device. The distance between the support plate and the flange is 300±5mm, which is determined by the height of the upright plate.

[0007] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device, wherein the transition plate is inclined, and the inclination angle is determined according to the included angle between the elbow flange and the flange.

[0008] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device, wherein the dimensions of the connecting channel steel are determined by the dimensions of the flange and the elbow flange.

[0009] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device, wherein lifting holes are symmetrically arranged on the support plate.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] This new multi-directional elbow flange one-time assembly and positioning device enables rapid positioning of elbow flanges in eight directions of the new structure, ensuring one-time assembly. It solves the problems of high workload for workers and inaccurate flange assembly, while ensuring product precision requirements. The new multi-directional elbow flange one-time assembly and positioning device, used in conjunction with existing workshop platforms for welding, ensures smooth production progress and achieves one-time assembly of multi-directional elbow flanges. It overcomes the drawbacks of conventional methods, such as high workload and inaccurate assembly precision. It also reduces multiple processes such as hoisting, laser alignment, and marking, ensures operator safety, reduces manufacturing costs, and provides excellent positioning results. It has been widely applied in product manufacturing processes. Attached Figure Description

[0012] Figure 1 This is a front view of a novel multi-directional elbow flange one-time assembly and positioning device according to this utility model.

[0013] Figure 2 This is a top view of a novel multi-directional elbow flange one-time assembly and positioning device according to the present invention.

[0014] Figure 3 This is a front view of the transition frame in a novel multi-directional elbow flange one-time assembly and positioning device of this utility model.

[0015] Figure 4 for Figure 3 A-direction view.

[0016] Figure 5 This is a side view of the transition frame in a novel multi-directional elbow flange one-time assembly and positioning device of this utility model.

[0017] In the diagram: 1 is the connecting channel steel; 2 is the bolt; 3 is the washer; 4 is the nut; 5 is the support plate; 6 is the transition frame; 7 is the short locating pin; 8 is the long locating pin; 6-1 is the connecting plate; 6-2 is the vertical plate; 6-3 is the transition plate; 7 is the flange to be assembled; 8 is the elbow flange to be assembled. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1

[0020] like Figure 1-5 As shown, a novel multi-directional elbow flange one-time assembly and positioning device includes a connecting channel steel, a support plate, a transition frame, short positioning pins, long positioning pins, bolts, nuts, and washers. The transition frame includes a connecting plate, a vertical plate, and a transition plate. The bottom of the connecting plate is vertically fixed to one side of the vertical plate, and the other side of the vertical plate is connected to the transition plate. The transition plate is connected to the elbow flange to be assembled. The support plate is a circular support plate. The flange to be assembled is placed on the lower side of the positioning device. The support plate has eight through holes evenly distributed at a 45° angle around its circumference. The support plate and the connecting plate are on the same horizontal plane. Each through hole on the support plate is fixed to a connecting plate via the connecting channel steel. The connecting channel steel is fixed to the connecting plate and the support plate via bolts, nuts, and washers, respectively. Short positioning pins and long positioning pins are respectively disposed between the connecting channel steel and the connecting plate and the support plate. Φ18 through holes are machined on the support plate at a 45° angle around its circumference for fixing the connecting channel steel and for angular positioning of the flange in eight directions.

[0021] This utility model relates to a novel multi-directional elbow flange one-time assembly positioning device. Marking lines are provided on the support plate at positions of 0°, 90°, 180°, and 270°, with a 7.5° angle between the through hole and the marking lines. Four center lines are engraved on the support plate, marked at 0°, 90°, 180°, and 270° respectively. The 7.5° angle between the support plate center line and the adjacent flange center line is also marked. The 7.5° of the positioning device can correspond to the 7.5° of the product, serving to position and align the connecting pipe and flange.

[0022] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device. The distance between the support plate and the flange is 300±5mm, which is determined by the height of the upright plate.

[0023] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device, wherein the transition plate is inclined, and the inclination angle is determined according to the included angle between the elbow flange and the flange.

[0024] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device, wherein the dimensions of the connecting channel steel are determined by the dimensions of the flange and the elbow flange.

[0025] This utility model relates to a novel multi-directional elbow flange one-time assembly and positioning device, wherein lifting holes are symmetrically arranged on the support plate.

[0026] The transition frame consists of a transition plate, a vertical plate, and a connecting plate. After welding, the upper surface of the transition plate and the lower surface of the connecting plate are machined to ensure flatness. The connecting plate has openings that mate with the sealing surface of the product flange for alignment. Four 18mm holes are drilled at the mid-span for connecting and fixing the flange, facilitating flange clamping and disassembly.

[0027] Example 2

[0028] like Figure 1-5 As shown, the specific operation process of a new type of multi-directional elbow flange one-time assembly and positioning device is as follows:

[0029] 1. Weld the eight transition plates, upright plates, and connecting plates to form a transition frame, and then process the whole frame after welding to ensure that the dimensional accuracy of each part is consistent.

[0030] 2. Use bolts, nuts, and washers to connect and fix one side of each of the eight connecting channel steel pieces to the support plate.

[0031] 3. Assemble the welded transition frame with the other side of the connecting channel steel and tighten it with bolts, nuts and washers.

[0032] 4. After adjusting to ensure the horizontal dimension of the bottom edge of the connecting plate of the 8 sets of transition frames, use long and short positioning pins to connect and fix the connecting channel steel to the support plate and transition frame to restrict positioning.

[0033] 5. After the new multi-directional elbow flange one-time assembly and positioning device is fully assembled, the transition frame of the positioning device is assembled with the 8 elbow flanges to be assembled, and the positioning is fixed with bolts, nuts and washers; then the flanges to be assembled are placed on the plane, and the positioning device of the assembled elbow flange is placed on the top of the flanges to be assembled through the lifting holes. After adjusting the position by the scale lines, the positioning welding of the elbow flanges in the 8 directions is performed.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A novel multi-directional elbow flange one-time assembly and positioning device, characterized in that: The novel multi-directional elbow flange one-time assembly and positioning device includes a connecting channel steel (1), a support plate (5), a transition frame (6), a short positioning pin (7), a long positioning pin (8), bolts (2), nuts (4), and washers (3). The transition frame (6) includes a connecting plate (6-1), a vertical plate (6-2), and a transition plate (6-3). The bottom of the connecting plate (6-1) is vertically fixed to one side of the vertical plate (6-2), and the other side of the vertical plate (6-2) is connected to the transition plate (6-3). The transition plate (6-3) is connected to the elbow flange to be assembled. The support plate (5) is... The circular support plate has eight through holes evenly distributed at a 45° angle around the flange to be assembled. The support plate (5) and the connecting plate (6-1) are on the same horizontal plane. Each through hole on the support plate (5) is fixed to a connecting plate (6-1) by a connecting channel steel. The connecting channel steel is fixed to the connecting plate (6-1) and the support plate (5) by bolts (2), nuts (4) and washers (3) respectively. The short positioning pin (7) and the long positioning pin (8) are respectively set between the connecting channel steel and the connecting plate (6-1) and the support plate (5).

2. The novel multi-directional elbow flange one-time assembly and positioning device according to claim 1, characterized in that, Marking lines are provided at positions of 0°, 90°, 180° and 270° on the support plate (5), and the angle between the through hole and the marking line is 7.5°.

3. The novel multi-directional elbow flange one-time assembly and positioning device according to claim 1, characterized in that, The distance between the support plate (5) and the flange is 300±5mm, which is determined by the height of the upright plate (6-2).

4. The novel multi-directional elbow flange one-time assembly and positioning device according to claim 1, characterized in that, The transition plate (6-3) is inclined, and the inclination angle is determined according to the included angle between the elbow flange and the flange.

5. The novel multi-directional elbow flange one-time assembly and positioning device according to claim 1, characterized in that, The dimensions of the connecting channel steel (1) are determined by the dimensions of the flange and the elbow flange.

6. The novel multi-directional elbow flange one-time assembly and positioning device according to claim 1, characterized in that, The support plate (5) is symmetrically provided with lifting holes.

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