Submerged-arc welding tool for cone of large reactor

Abstract

The utility model discloses a large reactor cone submerged arc welding tool which comprises a base, a supporting frame and a bearing unit, the supporting frame and the bearing unit are arranged on the two sides of the base respectively, the supporting frame is obliquely arranged upwards and used for supporting the bottom of a cone, and the bearing unit is used for bearing the side wall of the cone. The bearing unit comprises a supporting plate and a supporting strip, the bottom of the supporting plate is fixed to the base, a notch is formed in the top of the supporting plate, the supporting strip is arranged at the notch, and the supporting strip and the side wall of the cone are subjected to profile modeling; according to the submerged-arc welding tool for the cone of the large reactor, the supporting frame and the bearing unit are adopted, the cone can be effectively supported, it is guaranteed that the upper surface of the cone is located at the horizontal position when the cone is placed, hoisting and rotating of the cone are facilitated, each abutted seam can be located on the lower surface of the cone during welding, submerged-arc welding can be adopted, the welding precision is high, and the welding efficiency is high. The welding efficiency is high.

Description

Technical Field

[0001] The utility model relates to welding technology, in particular to a large reactor cone submerged arc welding tool. Background Art

[0002] In current equipment manufacturing, there is a trend towards larger equipment. The cones assembled on large reactors are large in size and heavy in weight, with the heaviest single section reaching nearly 100 tons, which places higher demands on assembly and welding in manufacturing;

[0003] Since there will be multiple seams on the side walls and top walls of large-sized cones, submerged arc welding cannot be used. Therefore, the existing cone welding method is generally to use multiple workers to directly enter the cone after splicing and positioning to perform manual welding of multiple seams at the same time. However, the vibration caused by workers entering and exiting can easily cause seam misalignment, affecting welding accuracy. In addition, the consistency of manual welding is poor, and it is easy to have missed welds or multiple welds, which takes a lot of time for rework, affecting production efficiency. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a submerged arc welding tool for a large reactor cone, which can effectively support the cone and facilitate the lifting and rotation of the cone, so that each seam can be located at the bottom of the cone during welding, so that submerged arc welding can be used, with high welding precision and good welding efficiency.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a large reactor cone submerged arc welding tool, including a base, a support frame and a bearing unit, the support frame and the bearing unit are respectively arranged on both sides of the base, the support frame is arranged upwardly and is used to support the bottom of the cone, and the bearing unit is used to support the side wall of the cone; the bearing unit includes a support plate and a support bar, the bottom of the support plate is fixed to the base, the top of the support plate is provided with a notch, the support bar is arranged at the notch, and the support bar is contoured with the side wall of the cone.

[0006] Preferably, the support frame is provided with a reinforcing plate on one side relative to the cone, the top of the reinforcing plate is fixed to the support frame, and the bottom of the reinforcing plate is fixed to the base.

[0007] Preferably, the inclination angle of the support frame is the same as the cone angle.

[0008] Preferably, the support plate is arranged parallel to the support frame.

[0009] Preferably, a groove is provided on the side of the support bar facing the cone, and buffer blocks are evenly arranged in the groove.

[0010] Preferably, an auxiliary plate is fixed below the support bar, and the bottom end of the auxiliary plate is fixed to the base.

[0011] Preferably, a protection frame is also provided on the base, and the protection frame is arranged on a side of the cone opposite to the supporting frame.

[0012] Preferably, a reinforcing rod is fixed to one side of the protection frame relative to the cone.

[0013] In summary, the utility model has achieved the following technical effects:

[0014] The utility model discloses a large reactor cone submerged arc welding tool, which adopts a support frame and a bearing unit, can effectively support the cone, ensure that the upper surface of the cone is in a horizontal position when placed, facilitate the hoisting and rotation of the cone, and make each seam located on the lower surface of the cone during welding, so that submerged arc welding can be adopted, with high welding precision and good welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a large reactor cone submerged arc welding tooling of the utility model;

[0016] Figure 2 It is a side view of the submerged arc welding tooling for large reactor cone of the utility model;

[0017] Explanation of the reference numerals in the specification: 1. base; 2. support frame; 3. reinforcement plate; 4. first support plate; 5. second support plate; 6. support bar; 7. buffer block; 8. auxiliary plate; 9. protection frame; 10. reinforcement rod; 11. cone; 12. joint. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] Embodiment 1:

[0025] like Figure 1As shown in Figure 2, a submerged arc welding tool for a large reactor cone 11 includes a base 1, a support frame 2 and a bearing unit, wherein the support frame 2 and the bearing unit are respectively arranged on both sides of the base 1, the support frame 2 is arranged to be inclined upward and is used to support the bottom of the cone 11, and the inclination angle of the support frame 2 is the same as the cone angle of the cone 11, and the bearing unit is used to support the side wall of the cone 11; the bearing unit includes a support plate and a support bar 6, the bottom of the support plate is welded and fixed to the base 1, the top of the support plate is provided with a notch, the support bar 6 is welded and fixed at the notch, and the support bar 6 It is contoured to the side wall of the cone 11, and the support bar 6 is provided with a groove on the side facing the cone 11, and buffer blocks 7 are evenly arranged in the groove. The support plate is arranged in parallel with the support frame 2; wherein the support bar 6 adopts channel steel, the top of the channel steel is grooved, and wooden squares are arranged in the groove as buffer blocks 7. The channel steel has high strength and good bearing capacity, while the wooden squares have good buffering effect, low cost, and will not damage the surface of the cone 11. In addition, two support plates are arranged, namely the first support plate 4 and the second support plate 5. The second support plate 5 is smaller than the first support plate 4 to better support the lower surface of the side wall of the large-sized cone 11.

[0026] The submerged arc welding tooling for the large reactor cone 11 of this embodiment adopts a support frame 2 and a bearing unit, which can effectively support the cone 11 and ensure that the upper surface of the cone 11 is in a horizontal position when placed, which is convenient for the hoisting and rotation of the cone 11, and each seam 12 can be located on the lower surface of the cone 11 during welding, so that submerged arc welding can be used, with high welding accuracy and good welding efficiency.

[0027] The support frame 2 is provided with a reinforcing plate 3 on one side relative to the cone 11 . The top of the reinforcing plate 3 is fixed to the support frame 2 , and the bottom of the reinforcing plate 3 is fixed to the base 1 . The reinforcing plate 3 is provided to strengthen the support frame 2 .

[0028] An auxiliary plate 8 is fixed below the support bar 6 , and a bottom end of the auxiliary plate 8 is fixed to the base 1 .

[0029] The base 1 is further provided with a protection frame 9 , which is arranged on a side of the cone 11 opposite to the support frame 2 ; a reinforcing rod 10 is fixed to the side of the protection frame 9 opposite to the cone 11 .

[0030] Working principle: first adjust the inclination angle of the support frame 2 to be the same as the cone angle of the cone 11, ensure that the upper surface of the cone 11 is in a horizontal position when placed, and then weld the bottom of the support frame 2 to the base 1; then set two support plates at the bottom of the cone 11, which play a supporting role together with the support frame 2 to ensure that there is space for heating when the lower part of the cone 11 is welded; then set channel steel at the notch of the support plate, and pad wooden squares in the channel steel to protect the surface of the cone 11; finally, weld the joint 12 at the bottom of the cone 11, and after welding one weld, rotate the cone 11 by hoisting, and rotate the other weld to the bottom of the cone 11 to facilitate welding.

[0031] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A large reactor cone submerged arc welding tool, characterized in that: It includes a base, a support frame and a bearing unit, wherein the support frame and the bearing unit are respectively arranged on both sides of the base, the support frame is arranged obliquely upward and is used to support the bottom of the cone, and the bearing unit is used to support the side wall of the cone; The bearing unit comprises a support plate and a support bar. The bottom of the support plate is fixed to the base. The top of the support plate is provided with a notch. The support bar is arranged at the notch. The support bar is contoured with the side wall of the cone.

2. A large reactor cone submerged arc welding tool according to claim 1, characterized in that: The support frame is provided with a reinforcing plate on one side relative to the cone, the top of the reinforcing plate is fixed to the support frame, and the bottom of the reinforcing plate is fixed to the base.

3. A large reactor cone submerged arc welding tool according to claim 1, characterized in that: The inclination angle of the support frame is the same as the cone angle.

4. A large reactor cone submerged arc welding tool according to claim 1, characterized in that: The support plate is arranged parallel to the support frame.

5. A large reactor cone submerged arc welding tool according to claim 1, characterized in that: A groove is arranged on one side of the support bar facing the cone, and buffer blocks are evenly arranged in the groove.

6. A large reactor cone submerged arc welding tool according to claim 1, characterized in that: An auxiliary plate is fixed below the support bar, and the bottom end of the auxiliary plate is fixed to the base.

7. A large reactor cone submerged arc welding tool according to claim 1, characterized in that: The base is also provided with a protection frame, which is arranged on one side of the cone relative to the support frame.

8. A large reactor cone submerged arc welding tool according to claim 7, characterized in that: A reinforcing rod is fixed on one side of the protection frame relative to the cone.

Images