CN210967695U - Circular seam welding auxiliary tool in connecting pipe assembly - Google Patents

Abstract

The utility model relates to a circular seam welding auxiliary fixtures in connecting pipe subassembly, the horizontal pole that sets up including the level with establish several montants (9) that the horizontal pole bottom propped up it is unsettled, the upper surface of horizontal pole is circular-arcly. When the auxiliary tool is used, at least two auxiliary tools are arranged at a certain interval, the inclined insertion forging pipe, the forging connecting pipe and the flange are welded together in a spot welding mode, two groups of inclined insertion forced connecting pipe assemblies are fixed through the flange bolt holes by bolts, the inclined insertion forced connecting pipe assemblies are placed on the arranged auxiliary tools after the inclined insertion forced connecting pipe assemblies are fixed, and the inclined insertion forced connecting pipe assemblies are rotated through manual control to be welded. The utility model has simple structure, high stability, low manufacturing cost and convenient operation; the circular seam of the obliquely inserted reinforced connecting pipe can be welded by rotating the pipe connecting component, two welders can be simultaneously welded, the circular seam welding process is guaranteed to be in a flat welding position, the welding difficulty is reduced, and the welding efficiency and the welding quality are improved.

Description

Circular seam welding auxiliary tool in connecting pipe assembly

Technical Field

The utility model relates to the field of mechanical equipment, especially, relate to a circumferential weld welding auxiliary fixtures in connecting pipe subassembly.

Background

Because of the particularity of the product structure in the pressure container product, the oblique-insertion reinforcing connecting pipe needs to be reinforced at the root of the connecting pipe when the product structure is designed, analyzed and calculated, in order to reduce the welding stress between the oblique insertion pipe and the shell and improve the welding quality of the position, the welding seam between the oblique insertion pipe and the shell is changed from a D type seam into an A type seam, the reinforcing diameter of the oblique-insertion reinforcing connecting pipe root is 1.5-2 times larger than the outer diameter of the connecting pipe, and the axis of the oblique-insertion reinforcing connecting pipe intersects with the main axis of the product by 45 degrees.

Referring to the two-dimensional diagram shown in fig. 1 and the three-dimensional diagram shown in fig. 2, the oblique-insertion forced-connection pipe assembly cannot be integrally formed due to the limitation of the structure of the oblique-insertion forced-connection pipe assembly, an annular seam 3 needs to be added at the position of the oblique-insertion forged pipe 1 and the forged-piece connecting pipe 2, the annular seam at the position is small in diameter and thick in wall thickness, and the welding position of the oblique-insertion forced-connection pipe assembly and the connecting pipe is multidirectional in a free-standing state. The existing welding mode for the annular seam 3 is to freely place the inclined insertion forging pipe 1 and the forging connecting pipe 2 on a plane platform for manual welding, and the problems of large welding repair workload, large repair difficulty and the like due to the fact that welding at various positions is inconvenient to operate, large welding difficulty and low welding quality exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a circumferential weld welding auxiliary fixtures in connecting pipe subassembly is provided, it can reduce the welding degree of difficulty, improves welding efficiency and welding quality.

In order to solve the above problems, the utility model discloses a collar weld welding auxiliary fixture in a pipe connecting assembly, which comprises a horizontal rod and a plurality of vertical rods, wherein the horizontal rod is horizontally arranged, the vertical rods are arranged at the bottom of the horizontal rod and suspend the horizontal rod, and the upper surface of the horizontal rod is arc-shaped; when the auxiliary tool is used, at least two auxiliary tools are arranged at a certain interval, and the interval is adjusted according to the position of the circular seam of the pipe connecting component.

Preferably, the upper surface of the cross rod is provided with a clamping part with a certain distance exceeding the upper surface.

Preferably, the locking member is a screw.

Preferably, the clamping part is arranged on a single side.

Preferably, the cross bar is embodied as a circular tube.

Preferably, the cross rod comprises a V-shaped rod with an upward opening and a circular tube arranged in the opening of the V-shaped rod, and the top of the vertical rod is connected with the bottom of the V-shaped rod.

Preferably, the V-shaped rod is specifically an angle steel.

Preferably, the circular pipe is a steel pipe, and the circular pipe is connected with the angle steel in a spot welding mode.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses two at least auxiliary fixtures of auxiliary fixtures are arranged according to the determining deviation when using and are placed, and it welds together to insert forging pipe and forging takeover, flange point earlier, and it adopts the bolt to fix through the flange bolt hole to add the forced connection pipe subassembly in two sets of oblique interpolation, places it after fixed on arranging the auxiliary fixture of placing, rotates to insert reinforcement takeover subassembly to one side through manual control and carries out the welding. In the process, (1) the suspension support of the auxiliary tool enables the welding assembly to be in a flat welding position in the welding process, so that the welding quality is improved; (2) the arc-shaped upper surface of the cross rod enables the pipe connecting component to be in linear contact with the tool, so that the pipe connecting component can be conveniently rotated manually in the welding process; (3) the symmetrical arrangement of the double-welding assembly can meet the requirement that two welders weld simultaneously, and efficient welding work is guaranteed. Therefore, the auxiliary tool is used, so that the welding difficulty is effectively reduced, and the welding efficiency and the welding quality are improved.

2. The utility model discloses interval between the auxiliary fixtures can carry out arbitrary adjustment according to the circumferential weld position of extension subassembly, can satisfy the welding of the different positions circumferential weld of extension subassembly.

3. The utility model discloses auxiliary fixtures simple structure is reasonable, and stability is high, the operation of being convenient for, low in manufacturing cost, and the effect is showing, and suitability and commonality are strong, and the material that is applicable to oblique joint pipe circumferential weld subassembly, cut straightly the welding of formula joint pipe circumferential weld subassembly and take over is applicable to also being applicable to stainless steel for the carbon steel material.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a two-dimensional schematic diagram of a prior art oblique interpolation forced connection pipe assembly.

Fig. 2 is a three-dimensional perspective model diagram of a prior art oblique interpolation pipe assembly.

Fig. 3 is an overall structure schematic diagram of the auxiliary tool provided in the embodiment of the present invention.

Fig. 4 is a side view schematic diagram of the auxiliary tool provided by the embodiment of the utility model.

Fig. 5 is an application scene diagram of the auxiliary tool provided in the embodiment of the present invention.

In the figure: the pipe comprises 1-an inclined insertion forging pipe, 2-a forging connecting pipe, 3-a circular seam, 4-a flange, 5-a barrel, 6-a clamping part, 7-a circular pipe, 8-a V-shaped rod and 9-a vertical rod.

Detailed Description

Referring to fig. 3 to 4, the utility model provides an auxiliary circular seam welding fixture in pipe connecting assembly mainly includes the horizontal pole that the level set up and establish at the bottom of the horizontal pole with its several montants 9 of unsettled support, the upper surface of horizontal pole is circular-arcly. The bottom of the vertical rod 9 can be directly placed on a working platform or fixed in position by adopting welding and other modes as required.

The upper surface of the cross rod is provided with a clamping part 6 with a certain distance exceeding the upper surface, and the clamping part plays a role in axial positioning in the welding process. In practical applications, the locking member 6 may be a screw screwed or welded to the upper surface of the cross bar. In addition, the clamping part 6 is arranged on one side, for example, only one screw is arranged in the figure, and the one-side arrangement is enough because the pipe assembly to be welded is controlled to rotate manually in the welding process, and the welding machine can be suitable for welding pipe assemblies with various specifications.

For the cross rod, the cross rod can be only a round tube 7, the material is convenient to obtain, and the basic requirement that the upper surface is arc-shaped is met. Further, a V-shaped rod 8 with an upward opening can be additionally arranged below the circular tube 7, the circular tube 7 is arranged in the opening of the circular tube, and the top of the vertical rod 9 is connected with the bottom of the V-shaped rod 8. The linearity of a whole V-shaped rod 8 is good, so that the vertical rod 9 and the circular pipe 7 can be ensured to be perpendicular to each other in space, and the circular pipe 7 is prevented from being distorted and deformed when the tool bears a heavy connecting pipe assembly.

In the actual manufacturing process, the circular pipe 7 and the vertical rod 9 can be made of steel materials, and the V-shaped rod 8 directly uses angle steel; the circular pipe 7 is spot-welded with the inner wall of the angle steel, the bottom of the angle steel is welded with the top of the vertical rod 9 by 90 degrees into a whole, and the bottom of the vertical rod 9 is spot-welded and fixed on a welding field.

Referring to fig. 5, in use, (1) at least two auxiliary tools are arranged at a certain distance, and the distance is adjusted according to the position of the circular seam of the pipe connecting component; (2) the inclined insertion forging pipe 1, the forging connecting pipe 2 and the flange 4 are spot-welded together, two groups of inclined insertion forced connection pipe assemblies are fixed through flange bolt holes by bolts, the inclined insertion forced connection pipe assemblies are placed on an auxiliary tool which is arranged in an open mode after being fixed, and the clamping component plays a role in axial positioning; (3) the welding is carried out by rotating the oblique insertion reinforced connecting pipe component under manual control, and the welding position is always in a flat welding position in the welding process.

In conclusion, the auxiliary tool has simple structure, high stability, lower manufacturing cost and convenient operation; the circular seam of the obliquely inserted reinforced connecting pipe can be welded by rotating the pipe connecting component, two welders can be simultaneously welded, the circular seam welding process is guaranteed to be in a flat welding position, the welding difficulty is reduced, and the welding efficiency and the welding quality are improved.

The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the structure and core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (8)

1. The auxiliary tool for girth welding in the pipe connecting component is characterized by comprising a horizontal rod and a plurality of vertical rods (9) which are arranged at the bottom of the horizontal rod and used for hanging and supporting the horizontal rod, wherein the upper surface of the horizontal rod is arc-shaped; when the auxiliary tool is used, at least two auxiliary tools are arranged at a certain interval, and the interval is adjusted according to the position of the circular seam of the pipe connecting component.

2. Auxiliary tooling according to claim 1, wherein the upper surface of the cross bar is provided with a blocking part (6) with a height exceeding the upper surface by a certain distance.

3. Auxiliary tooling according to claim 2, characterized in that the detent means (6) are in particular screws.

4. Auxiliary tooling according to claim 2, characterized in that the blocking part (6) is single-sided.

5. Auxiliary tooling according to claim 1, characterized in that the cross bar is in particular a circular tube (7).

6. Auxiliary tooling according to any one of claims 1 to 5, wherein the cross bar comprises a V-shaped bar (8) with an upward opening and a circular tube (7) arranged in the opening, and the top of the vertical bar (9) is connected with the bottom of the V-shaped bar (8).

7. Auxiliary tooling according to claim 6, characterized in that the V-shaped bar (8) is in particular an angle steel.

8. Auxiliary tooling according to claim 7, wherein the circular tube (7) is a steel tube, and is connected with the angle steel through spot welding.

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