Square flange assembling and welding anti-deformation device

Abstract

The utility model relates to the technical field of assembling and welding of square flanges, in particular to an anti-deformation device for assembling and welding of square flanges. In order to solve the problem that a square flange is prone to deformation due to welding stress in the assembling and welding process, the square flange assembling and welding anti-deformation device is provided, two first vertical plates and two second vertical plates are perpendicular to each other, and the two first vertical plates and a vertical diagonal plate are fixed to a bottom plate; the two ends of the vertical pressing plate and the two ends of the vertical withdrawing plate are fixedly connected with the two second vertical plates correspondingly, the vertical withdrawing plate is located between the vertical pressing plate and the vertical diagonal plate, a limiting plate is perpendicularly fixed to one end of the screw, the vertical diagonal plate is provided with an inner threaded hole matched with the screw, the vertical withdrawing plate is provided with a movable hole, and the movable hole is matched with the screw. And one end of the screw rod is in threaded connection in the internal threaded hole of the vertical diagonal plate, and the other end of the screw rod movably penetrates through the movable hole. The device is simple in structure, low in manufacturing cost and suitable for assembling and welding square flanges of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of square flange assembly welding, in particular to a square flange assembly welding anti-deformation device. Background Art

[0002] Some flanges in chemical equipment are square structures, such as Figure 1 As shown, the square flange is formed by welding two horizontal plates 13 and two vertical plates 14. The square flange is easily deformed due to welding stress during the welding process, resulting in the need for repair and leveling of the square flange after welding, which has low work efficiency. Summary of the invention

[0003] In order to solve the problem that square flanges are easily deformed due to welding stress during assembly welding, the utility model provides a square flange assembly welding anti-deformation device.

[0004] The utility model is realized by adopting the following technical solutions:

[0005] A square flange assembly welding anti-deformation device, comprising a bottom plate, a vertical diagonal plate (the vertical diagonal plate, the vertical clamping plate, the first vertical plate, the second vertical plate, and the vertical withdrawal plate described in this application are, as the name implies, all vertical), two first vertical plates, two second vertical plates, a vertical clamping plate, a vertical withdrawal plate, and a screw rod. The two first vertical plates are arranged perpendicular to each other and directly form or extend to form a first right angle. The two second vertical plates are arranged perpendicular to each other and directly form or extend to form a second right angle. The two first vertical plates are fixed to the bottom plate. The bisector of the first right angle and the bisector of the second right angle are collinear. The first vertical plate and the second vertical plate on the same side of the bisector of the first right angle are arranged in parallel. The first right angle is located outside the second right angle. The two first vertical plates, the two second vertical plates, and the vertical diagonal plates The two first vertical plates are arranged in sequence along the angular bisector direction of the two first vertical plates, the vertical diagonal plates are fixed to the bottom plate, the vertical clamping plate, the vertical retraction plate and the vertical diagonal plate are arranged side by side and their length directions are perpendicular to the angular bisector of the first right angle, both ends of the vertical clamping plate and the two ends of the vertical retraction plate are respectively fixedly connected to the two second vertical plates, the vertical retraction plate is located between the vertical clamping plate and the vertical diagonal plates, one end of the screw is vertically fixed with a limit plate, an internal threaded hole matched with the screw is provided on the vertical diagonal plate, a movable hole is provided on the vertical retraction plate, the axes of the internal threaded hole and the movable hole are colinear with the angular bisector of the first right angle, one end of the screw is threadedly connected to the internal threaded hole of the vertical diagonal plate, the other end of the screw is movable through the movable hole and the limit plate is located between the vertical clamping plate and the vertical retraction plate.

[0006] When in use, take four of the above devices, place them at the four welding corners of the square flange, and at the same time place the horizontal plate and vertical plate of the square flange between the two first vertical plates and the two second vertical plates of the corresponding device, screw the screw so that the limit plate is pressed against the clamping plate, and continue to screw the screw so that the two second vertical plates are pushed toward the two first vertical plates, thereby clamping the square flange, so that the four welding corners of the square flange are clamped at the four devices before welding, effectively avoiding welding deformation during welding. After welding is completed, screw the bolts in the opposite direction, the limit plate pushes the withdrawal plate in the opposite direction, and the two second vertical plates are pulled in the opposite direction, and the assembled square flange can be taken out. In actual use, when the square flange is thin, a pad can be placed between the two first vertical plates and the two second vertical plates to facilitate welding.

[0007] Furthermore, the base plate includes a first isosceles trapezoidal plate and a rectangular plate. The two waists of the first isosceles trapezoidal plate are respectively fixedly connected to the inner side surfaces of the two first vertical plates. One end surface of the rectangular plate is flush and fixedly connected to the lower bottom end surface of the first isosceles trapezoidal plate. The structure of the base plate is concretized and standardized.

[0008] Furthermore, the device also includes a second isosceles trapezoidal plate which is horizontally arranged and movably placed above the bottom plate. The two waists of the second isosceles trapezoidal plate are respectively fixedly connected to the inner sides of the two second vertical plates. The vertical pressure plate and the vertical retraction plate are both fixed on the upper surface of the second isosceles trapezoidal plate. The structure is more stable and the assembly effect is better.

[0009] Furthermore, the device also includes two third vertical plates, the vertical diagonal plate is located between the two third vertical plates and the vertical diagonal plate and the two third vertical plates form a U-shaped structure, and the ends of the two third vertical plates not connected to the vertical diagonal plates are fixedly connected to the rectangular plate.

[0010] Furthermore, a screwing handle is fixed at one end of the screw rod to facilitate screwing of the screw rod.

[0011] The beneficial effects of the utility model are as follows: when the device in the utility model is used for square flange assembly welding, the deformation of the square flange due to welding stress during the assembly welding process can be effectively avoided, the work of repair and leveling for operators is eliminated, the labor intensity of operators is effectively reduced, and work efficiency is improved; at the same time, the device has a simple structure, low manufacturing cost and can be applied to the assembly welding of square flanges of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings herein are incorporated into and constitute a part of the specification, show embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0014] Figure 1 It is a structural schematic diagram of a square flange;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the use structure of the utility model.

[0017] In the figure: 1-vertical diagonal plate, 2-vertical clamping plate, 3-first vertical plate, 4-second vertical plate, 5-vertical withdrawal plate, 6-screw, 7-first isosceles trapezoidal plate, 8-rectangular plate, 9-second isosceles trapezoidal plate, 10-third vertical plate, 11-screwing handle, 12-limiting plate, 13-horizontal plate, 14-vertical plate. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the scheme of the utility model will be further described below. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0019] In the description, it should be noted that the terms "first" and "second" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. It should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" 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 internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] The specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0022] like Figure 2 and 3As shown, a square flange assembly welding anti-deformation device includes a bottom plate, a vertical diagonal plate 1 (the vertical diagonal plate 1, the vertical clamping plate 2, the first vertical plate 3, the second vertical plate 4, and the vertical withdrawal plate 5 described in this application are, as the name implies, all vertical), two first vertical plates 3, two second vertical plates 4, the vertical clamping plate 2, the vertical withdrawal plate 5, and a screw 6. The two first vertical plates 3 are arranged perpendicular to each other and directly form or extend to form a first right angle. The two second vertical plates 4 are arranged perpendicular to each other and directly form or extend to form a second right angle. The two first vertical plates 3 are fixed to the bottom plate. The bisector of the first right angle and the bisector of the second right angle are collinear. The first vertical plate 3 and the second vertical plate 4 on the same side of the bisector of the first right angle are arranged in parallel. The first right angle is located on the outside of the second right angle. The two first vertical plates 3, the two second vertical plates 4, and the vertical diagonal plate 1 are arranged along The two first vertical plates 3 are arranged in sequence in the direction of the angular bisectors, the vertical diagonal plate 1 is fixed to the bottom plate, the vertical clamping plate 2 and the vertical retraction plate 5 and the vertical diagonal plate 1 are arranged side by side and their length directions are perpendicular to the angular bisector of the first right angle, both ends of the vertical clamping plate 2 and the two ends of the vertical retraction plate 5 are respectively fixedly connected to the two second vertical plates 4, the vertical retraction plate 5 is located between the vertical clamping plate 2 and the vertical diagonal plate 1, one end of the screw 6 is vertically fixed to the limit plate 12, the vertical diagonal plate 1 is provided with an internal threaded hole matched with the screw 6, the vertical retraction plate 5 is provided with a movable hole, the axis of the internal threaded hole and the movable hole are colinear with the angular bisector of the first right angle, one end of the screw 6 is threadedly connected to the internal threaded hole of the vertical diagonal plate 1, the other end of the screw 6 is movable through the movable hole and the limit plate 12 is located between the vertical clamping plate 2 and the vertical retraction plate 5.

[0023] When in use, take four of the above-mentioned devices, place the four above-mentioned devices at the four welding corners of the square flange, and at the same time place the horizontal plate 13 and the vertical plate 14 of the square flange between the two first vertical plates 3 and the two second vertical plates 4 of the corresponding device, screw the screw 6 so that the limit plate 12 is pressed against the clamping plate, and continue to screw the screw 6 so that the two second vertical plates 4 are pushed toward the two first vertical plates 3, thereby clamping the square flange, so that the four welding corners of the square flange are clamped at the four devices before welding, effectively avoiding welding deformation during welding. After welding is completed, reversely screw the bolts, the limit plate 12 pushes the retraction plate in the opposite direction, and the two second vertical plates 4 are pulled in the opposite direction, and the assembled square flange can be taken out. In actual use, when the square flange is thin, a pad can be placed between the two first vertical plates 3 and the two second vertical plates 4 to facilitate welding.

[0024] In a specific implementation, the base plate includes a first isosceles trapezoidal plate 7 and a rectangular plate 8. The two waists of the first isosceles trapezoidal plate 7 are respectively fixedly connected to the inner side surfaces of the two first vertical plates 3. One end surface of the rectangular plate 8 is flush and fixedly connected to the lower bottom end surface of the first isosceles trapezoidal plate 7. The structure of the base plate is concretized and standardized.

[0025] In specific implementation, the device also includes a second isosceles trapezoidal plate 9 which is horizontally arranged and movably placed above the bottom plate. The two waists of the second isosceles trapezoidal plate 9 are respectively fixedly connected to the inner sides of the two second vertical plates 4. The vertical clamping plate 2 and the vertical retraction plate 5 are both fixed on the upper surface of the second isosceles trapezoidal plate 9. The structure is more stable and the assembly effect is better.

[0026] In specific implementation, the device also includes two third vertical plates 10, the vertical diagonal plate 1 is located between the two third vertical plates 10, and the vertical diagonal plate 1 and the two third vertical plates 10 form a U-shaped structure, and the ends of the two third vertical plates 10 that are not connected to the vertical diagonal plate 1 are fixedly connected to the rectangular plate 8.

[0027] In this specific embodiment, a screw handle 11 is fixed to one end of the screw rod 6 to facilitate screwing the screw rod 6 .

[0028] The above is only a specific implementation of the utility model, which enables those skilled in the art to understand or implement the utility model. Although detailed descriptions are given with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments, and they should all be covered by the protection scope of the claims.

Claims

1. A square flange assembly welding anti-deformation device, characterized in that: The invention comprises a bottom plate, a vertical diagonal plate (1), two first vertical plates (3), two second vertical plates (4), a vertical pressing plate (2), a vertical retraction plate (5), and a screw rod (6). The two first vertical plates (3) are arranged perpendicular to each other and directly form or extend to form a first right angle. The two second vertical plates (4) are arranged perpendicular to each other and directly form or extend to form a second right angle. The two first vertical plates (3) are fixed to the bottom plate. The bisector of the first right angle and the bisector of the second right angle are collinear. The first vertical plate (3) and the second vertical plate (4) located on the same side of the bisector of the first right angle are arranged in parallel. The first right angle is located outside the second right angle. The two first vertical plates (3), the two second vertical plates (4), and the vertical diagonal plate (1) are arranged in sequence along the bisector of the two first vertical plates (3). The vertical diagonal plate (1) is fixed to the bottom plate. The vertical pressing plate (2) The vertical retraction plate (5) and the vertical diagonal plate (1) are arranged side by side and their length directions are perpendicular to the bisector of the first right angle. Both ends of the vertical clamping plate (2) and the two ends of the vertical retraction plate (5) are respectively fixedly connected to the two second vertical plates (4). The vertical retraction plate (5) is located between the vertical clamping plate (2) and the vertical diagonal plate (1). One end of the screw rod (6) is vertically fixed to the limit plate (12). The vertical diagonal plate (1) is provided with an internal threaded hole matched with the screw rod (6). The vertical retraction plate (5) is provided with a movable hole. The axes of the internal threaded hole and the movable hole are colinear with the bisector of the first right angle. One end of the screw rod (6) is threadedly connected to the internal threaded hole of the vertical diagonal plate (1). The other end of the screw rod (6) movably passes through the movable hole. The limit plate (12) is located between the vertical clamping plate (2) and the vertical retraction plate (5).

2. A square flange assembly welding anti-deformation device according to claim 1, characterized in that: The bottom plate comprises a first isosceles trapezoidal plate (7) and a rectangular plate (8); two waists of the first isosceles trapezoidal plate (7) are respectively fixedly connected to the inner side surfaces of the two first vertical plates (3); and one end surface of the rectangular plate (8) is flush and fixedly connected to the lower bottom end surface of the first isosceles trapezoidal plate (7).

3. A square flange assembly welding anti-deformation device according to claim 1 or 2, characterized in that: The device also comprises a second isosceles trapezoidal plate (9) arranged horizontally and movably placed above the bottom plate, the two waists of the second isosceles trapezoidal plate (9) being respectively fixedly connected to the inner side surfaces of the two second vertical plates (4), and the vertical pressing plate (2) and the vertical retraction plate (5) being both fixed to the upper surface of the second isosceles trapezoidal plate (9).

4. A square flange assembly welding anti-deformation device according to claim 3, characterized in that: The device further comprises two third vertical plates (10), the vertical diagonal plate (1) being located between the two third vertical plates (10), and the vertical diagonal plate (1) and the two third vertical plates (10) forming a U-shaped structure, and the ends of the two third vertical plates (10) not connected to the vertical diagonal plate (1) are both fixedly connected to the rectangular plate (8).

5. A square flange assembly welding anti-deformation device according to claim 4, characterized in that: A screw handle (11) is fixed to one end of the screw rod (6).

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