Anti-deformation tool for welding flange

Abstract

The anti-deformation tool is applied to the field of flange welding and comprises a shell, a disc body is arranged in the shell, a connecting rod is arranged on the surface of the disc body, when the anti-deformation tool for welding the flange is used, the tool can be preferentially placed in the flange, then a first rotary knob is rotated, and the connecting rod is connected with the disc body. The positions of the clamping blocks in the arc-shaped grooves are changed through rotation of the disc body. And the connecting rod drives the outer rod, the inner rod and the contact block to move, and the moving trend is changed around the rotating rod at equal distance. The contact block makes contact with the inner wall of the flange in the moving process and supports the inner wall of the flange, in the using process of the worm gear and the worm, self-locking can be conveniently conducted on the adjusting angle of the rotating rod, and the using convenience of the tool is guaranteed. And meanwhile, the tool is convenient to operate, the flanges can be rapidly supported when the flanges of the same specification and size are welded, and the complexity of step-by-step adjustment is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of flange welding, and particularly relates to a deformation prevention tooling for welding flanges. Background Art

[0002] Installing a welding flange or other pipeline joints on the outer circumferential surface of a metal pipeline is a common connection structure of the pipeline, and usually welding fixation is required.

[0003] Currently, the Chinese utility model with the publication number of CN220196756U discloses a deformation prevention tooling for welding flanges of large-diameter pipelines, which includes: a plurality of support components, the support components are arranged in the pipeline and extend along the radial direction of the pipeline, the plurality of support components are spaced along the axial direction of the pipeline, and the projections of the plurality of support components at one end of the pipeline are in a cross structure. The support components respectively include a first ejector rod, a second ejector rod, a tensioning block and an arc positioning support piece. The first ejector rod is arranged at the front end of the tensioning block and extends forward of the tensioning block. A right-handed threaded hole corresponding to the first ejector rod is arranged at the front end of the tensioning block. The second ejector rod is arranged at the rear end of the tensioning block and extends backward of the tensioning block. The arc positioning support piece is detachably arranged at the ends of the first ejector rod and the second ejector rod. By the above method, the deformation prevention tooling for welding flanges of large-diameter pipelines of the utility model suppresses the deformation problem of the pipeline during the welding process and ensures the roundness of the pipeline cross-section.

[0004] During the use of this deformation prevention tooling, it is necessary to gradually adjust a plurality of tensioning blocks in sequence, which will bring inconvenience and complexity to the use, increase the time cost of adjustment, and the adjustable range of the first ejector rod and the second ejector rod is small, so that the adaptability of this tooling to flanges of different sizes is not high, and there are certain limitations in use. Content of the Utility Model

[0005] The purpose of the utility model is to provide a deformation prevention tooling for welding flanges, which has the advantages of convenient operation. When welding flanges of the same specification size, it can quickly support the flanges, reduce the complexity of gradual adjustment, and can be adjusted and used in cooperation with flanges of different sizes, increasing the use range and use compatibility of this tooling.

[0006] The above technical object of the utility model is achieved through the following technical solutions: An anti-deformation tooling for welding flanges, including a housing, a disc body is arranged inside the housing, a connecting rod is arranged on the surface of the disc body, one end of the connecting rod penetrates to the outside of the housing and is provided with a contact block, an arc-shaped groove is opened inside the disc body, the other end of the connecting rod is fixedly installed with a clamping block clamped with the arc-shaped groove, a rotating rod rotatably connected with the housing is fixedly sleeved inside the disc body, one end of the connecting rod is fixedly installed with an outer rod, an inner rod penetrating to one end of the outer rod is arranged inside the outer rod, a screw rod penetrating to the inside of the inner rod is rotatably connected inside the outer rod through a bearing, and a threaded block fixedly connected with the inner rod is threadedly connected to the surface of the screw rod.

[0007] Adopting the above technical solution: When using the anti-deformation tooling for welding flanges, the tooling can be preferentially placed into the flange, and then the first knob is rotated, so that the rotation of the first knob drives the first rod to rotate, and the rotation of the first rod drives the second bevel gear to rotate. The rotation of the second bevel gear drives the first bevel gear to rotate synchronously. The rotation of the first bevel gear drives the worm to rotate, and the worm drives the worm wheel to rotate. The worm wheel drives the rotating rod and the disc body to rotate, and the rotation of the disc body causes the clamping block to change its position in the arc-shaped groove. Thus, the movement change of the connecting rod is realized. The connecting rod drives the outer rod, the inner rod and the contact block to move, and the movement trend changes equidistantly around the rotating rod. The contact block will contact the inner wall of the flange during the movement and support the inner wall of the flange. And in the use of the worm wheel and the worm, it is convenient to lock the adjustment angle of the rotating rod, ensuring the convenience of using the tooling. At the same time, the tooling is easy to operate. When welding flanges of the same specification size, it can quickly support the flange, reducing the tediousness of step-by-step adjustment. At the same time, when anti-deforming and supporting different welding flanges, the rotation of the second knob can drive the second rod to rotate, and the second rod drives the fourth bevel gear to rotate synchronously. The rotation of the fourth bevel gear drives the third bevel gear to rotate, and the third bevel gear drives the screw rod to rotate. The rotation of the screw rod realizes the movement of the threaded block and the inner rod. The sliding connection of the slider and the chute, combined with the sliding connection between the inner rod and the outer rod. Thus, the inner rod extends or retracts into the outer rod, and the distance of the contact block outside the housing is changed, which can be adjusted for use with flanges of different sizes, increasing the use range and use compatibility of the tooling. And the scale is convenient to measure the extension length of the inner rod, facilitating the unity of the adjustment of multiple inner rods, bringing convenience to the use of the tooling.

[0008] The utility model is further arranged such that guide blocks fixedly connected to the inside of the housing are arranged on both sides of the connecting rod.

[0009] Adopting the above technical solution: The guide blocks are used for guiding and limiting the movement of the connecting rod.

[0010] The present utility model is further configured such that a worm gear is fixedly sleeved on the surface of the rotating rod, a worm is meshed with the surface of the worm gear, and a first bevel gear is fixedly sleeved at one end of the worm.

[0011] By adopting the above technical solution: the rotation of the first bevel gear will drive the worm to rotate, and the worm will drive the worm gear to rotate.

[0012] The present utility model is further configured such that a second bevel gear is meshed with the surface of the first bevel gear, a rod body one penetrating through the surface of the housing is fixedly sleeved inside the second bevel gear, and a first knob is fixedly installed at one end of the rod body one.

[0013] By adopting the above technical solution: the rotation of the first knob will drive the rod body one to rotate, the rotation of the rod body one will drive the second bevel gear to rotate, and the rotation of the second bevel gear will drive the first bevel gear to rotate synchronously.

[0014] The present utility model is further configured such that sliders are fixedly installed on both sides of the inner rod, and sliding grooves for cooperating with the sliders to slide are formed inside the outer rod.

[0015] By adopting the above technical solution: through the sliding connection between the slider and the sliding groove, the inner rod and the outer rod are slidably connected.

[0016] The present utility model is further configured such that a third bevel gear is fixedly sleeved at one end of the screw rod, and a fourth bevel gear is meshed with the surface of the third bevel gear.

[0017] By adopting the above technical solution: the rotation of the fourth bevel gear will drive the third bevel gear to rotate.

[0018] The present utility model is further configured such that the fourth bevel gear is fixedly sleeved with a rod body two penetrating through the surface of the outer rod, and a second knob is fixedly installed at one end of the rod body two.

[0019] By adopting the above technical solution: the rotation of the second knob will drive the rod body two to rotate, and the rod body two will drive the fourth bevel gear to rotate synchronously.

[0020] The present utility model is further configured such that the inner rod and the contact block are bolted to each other, and scales are provided on the surface of the inner rod.

[0021] By adopting the above technical solution: through bolting, the installation between the inner rod and the contact block is tightened, and it is convenient for subsequent disassembly and replacement. The scales are convenient for measuring the extended length of the inner rod.

[0022] In summary, the present utility model has the following beneficial effects:

[0023] 1. When the anti-deformation tooling for welded flanges of the present utility model is in use, the tooling can be preferentially placed into the flange, and then the first knob is rotated. The rotation of the disc body will cause the clamping block to change its position in the arc-shaped groove. Thus, the movement of the connecting rod is changed. The connecting rod will drive the outer rod, the inner rod and the contact block to move, and the movement trend changes equidistantly around the rotating rod. The contact block will contact the inner wall of the flange during the movement and support the inner wall of the flange. And in the use of the worm gear and the worm, it is convenient to self-lock the adjustment angle of the rotating rod to ensure the convenience of using the tooling. At the same time, the tooling is easy to operate. When welding flanges of the same specification size, it can quickly support the flange and reduce the cumbersome step-by-step adjustment;

[0024] 2. When the present utility model provides anti-deformation support for different welded flanges, the rotation of the second knob can drive the screw rod to rotate. The rotation of the screw rod will cause the threaded block and the inner rod to move. Thus, the inner rod extends or retracts into the outer rod, and the distance of the contact block outside the housing is changed, which can be adjusted for use in cooperation with flanges of different sizes, increasing the use range and use compatibility of the tooling. And the scale is convenient for measuring in cooperation with the extension length of the inner rod, facilitating the unity of the adjustment of multiple inner rods, bringing convenience to the use of the tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0026] Figure 2 is a front sectional view schematic diagram of the present utility model;

[0027] Figure 3 is a rear sectional view schematic diagram of the present utility model;

[0028] Figure 4 is a right-side sectional enlarged schematic diagram of the present utility model;

[0029] Figure 5 is a top-view sectional enlarged schematic diagram of the present utility model;

[0030] Figure 6 is a front sectional view schematic diagram of the outer rod and the inner rod of the present utility model;

[0031] Figure 7 is a left-side sectional view schematic diagram of the outer rod and the inner rod of the present utility model.

[0032] Reference numerals: 1, housing; 2, disc body; 3, connecting rod; 4, contact block; 5, guide block; 6, arc groove; 7, clamping block; 8, rotating rod; 9, worm gear; 10, worm; 11, bevel gear one; 12, bevel gear two; 13, rod body one; 14, knob one; 15, outer rod; 16, inner rod; 17, screw rod; 18, threaded block; 19, slider; 20, chute; 21, bevel gear three; 22, bevel gear four; 23, rod body two; 24, knob two; 25, scale. Detailed implementation manners

[0033] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0034] Embodiment 1:

[0035] Refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , an anti-deformation tooling for welding flanges, comprising a housing 1. A disc body 2 is arranged inside the housing 1. A connecting rod 3 is arranged on the surface of the disc body 2. One end of the connecting rod 3 penetrates to the outside of the housing 1 and is provided with a contact block 4. An arc groove 6 is formed inside the disc body 2. The other end of the connecting rod 3 is fixedly installed with a clamping block 7 clamped with the arc groove 6. A rotating rod 8 rotatably connected with the housing 1 is fixedly sleeved inside the disc body 2. When using the anti-deformation tooling for welding flanges, the tooling can be preferentially placed into the flange, and then the knob one 14 is rotated. The rotation of the disc body 2 will cause the clamping block 7 to change its position in the arc groove 6, thereby realizing the movement change of the connecting rod 3. The connecting rod 3 will drive the outer rod 15, the inner rod 16 and the contact block 4 to move, and the movement trend changes equidistantly around the rotating rod 8. The contact block 4 will contact the inner wall of the flange during the movement and support the inner wall of the flange. And in the use of the worm gear 9 and the worm 10, it is convenient to self-lock the adjustment angle of the rotating rod 8 to ensure the convenience of using the tooling. At the same time, the tooling is easy to operate. When welding flanges of the same specification size, it can quickly support the flange and reduce the tediousness of step-by-step adjustment.

[0036] Refer to Figure 3 , guide blocks 5 fixedly connected with the inside of the housing 1 are arranged on both sides of the connecting rod 3, and the guide blocks 5 are used for guiding and limiting the movement of the connecting rod 3 in cooperation.

[0037] Refer to Figure 4 , a worm gear 9 is fixedly sleeved on the surface of the rotating rod 8, a worm 10 is meshed with the surface of the worm gear 9, and a bevel gear one 11 is fixedly sleeved at one end of the worm 10. The rotation of the bevel gear one 11 will drive the worm 10 to rotate, and the worm 10 drives the worm gear 9 to rotate.

[0038] Refer to Figure 5, the surface of the bevel gear 11 meshes with the bevel gear 12. A rod 13 that penetrates to the surface of the housing 1 is fixedly sleeved inside the bevel gear 12. One end of the rod 13 is fixedly installed with a knob 14. By rotating the knob 14, the rod 13 will be driven to rotate, and the rotation of the rod 13 will drive the bevel gear 12 to rotate. The rotation of the bevel gear 12 will drive the bevel gear 11 to rotate synchronously.

[0039] Brief description of the usage process: When using the anti-deformation tooling for welded flanges, the tooling can be preferably placed into the flange first, and then the knob 14 is rotated, so that the rotation of the knob 14 drives the rod 13 to rotate. The rotation of the rod 13 will drive the bevel gear 12 to rotate, and the rotation of the bevel gear 12 will drive the bevel gear 11 to rotate synchronously. The rotation of the bevel gear 11 will drive the worm 10 to rotate, and the worm 10 drives the worm gear 9 to rotate. The worm gear 9 drives the rotating rod 8 and the disc body 2 to rotate, and the rotation of the disc body 2 will cause the clamping block 7 to change its position in the arc-shaped groove 6. Thus, the movement of the connecting rod 3 is changed. The connecting rod 3 will drive the outer rod 15, the inner rod 16 and the contact block 4 to move, and the movement trend changes equidistantly around the rotating rod 8. The contact block 4 will contact the inner wall of the flange during the movement and support the inner wall of the flange. And in the use of the worm gear 9 and the worm 10, it is convenient to lock the adjustment angle of the rotating rod 8, ensuring the convenience of using the tooling. At the same time, the tooling is easy to operate. When welding flanges of the same specification size, it can quickly support the flange, reducing the tediousness of step-by-step adjustment.

[0040] Embodiment 2:

[0041] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 and Figure 7 , an anti-deformation tooling for welded flanges, including a housing 1. One end of the connecting rod 3 is fixedly installed with an outer rod 15. An inner rod 16 that penetrates to one end of the outer rod 15 is provided inside the outer rod 15. A screw rod 17 that penetrates to the inside of the inner rod 16 is rotatably connected inside the outer rod 15 through a bearing. A threaded block 18 fixedly connected to the inner rod 16 is threadedly connected to the surface of the screw rod 17. When anti-deformation supporting different welded flanges, the rotation of the knob 24 can drive the screw rod 17 to rotate, and the rotation of the screw rod 17 will realize the movement of the threaded block 18 and the inner rod 16. Thus, the inner rod 16 extends or retracts into the outer rod 15, and the distance of the contact block 4 outside the housing 1 is changed, which can be adjusted for use in cooperation with flanges of different sizes, increasing the usage range and usage compatibility of the tooling. And the scale 25 is convenient for measuring in cooperation with the extension length of the inner rod 16, facilitating the unity of the adjustment of multiple inner rods 16, bringing convenience to the use of the tooling.

[0042] Reference Figure 6 , sliding blocks 19 are fixedly installed on both sides of the inner rod 16, and sliding grooves 20 for the sliding use of the sliding blocks 19 are opened inside the outer rod 15. Through the sliding connection between the sliding blocks 19 and the sliding grooves 20, the inner rod 16 and the outer rod 15 are slidably connected.

[0043] Reference Figure 7 , a third bevel gear 21 is fixedly sleeved at one end of the screw rod 17, and a fourth bevel gear 22 is meshed on the surface of the third bevel gear 21. The rotation of the fourth bevel gear 22 will drive the third bevel gear 21 to rotate.

[0044] Reference Figure 7 , a second rod body 23 fixedly sleeved inside the fourth bevel gear 22 and penetrating through the surface of the outer rod 15 is provided. A second knob 24 is fixedly installed at one end of the second rod body 23. The rotation of the second knob 24 will drive the second rod body 23 to rotate, and the second rod body 23 drives the fourth bevel gear 22 to rotate synchronously.

[0045] Reference Figure 1 , the inner rod 16 and the contact block 4 are bolted to each other. A scale 25 is provided on the surface of the inner rod 16. Through the bolting, the installation between the inner rod 16 and the contact block 4 is tightened, and it is convenient for subsequent disassembly and replacement. The scale 25 is convenient for measuring the extended length of the inner rod 16.

[0046] Brief description of the use process: When anti-deformation support is carried out on different welded flanges, the rotation of the second knob 24 can drive the second rod body 23 to rotate, and the second rod body 23 drives the fourth bevel gear 22 to rotate synchronously. The rotation of the fourth bevel gear 22 will drive the third bevel gear 21 to rotate, and the third bevel gear 21 will drive the screw rod 17 to rotate. The rotation of the screw rod 17 will realize the movement of the threaded block 18 and the inner rod 16. The sliding connection between the sliding blocks 19 and the sliding grooves 20 is matched with the sliding connection between the inner rod 16 and the outer rod 15. Thus, the inner rod 16 extends or retracts into the inner rod 16 of the outer rod 15, and the distance of the contact block 4 outside the housing 1 is changed, which can be adjusted for use with different sizes of flanges, increasing the use range and use compatibility of the tooling. Moreover, the scale 25 is convenient for measuring the extended length of the inner rod 16, facilitating the unity of the adjustment of multiple inner rods 16, bringing convenience to the use of the tooling.

[0047] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contributions to this embodiment according to needs after reading this specification, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A deformation prevention tool for a welding flange, comprising a housing (1), characterized in that: Inside the housing (1), there is a disk body (2). On the surface of the disk body (2), there is a connecting rod (3). One end of the connecting rod (3) penetrates to the outside of the housing (1) and is provided with a contact block (4). Inside the disk body (2), there is an arc-shaped groove (6). The other end of the connecting rod (3) is fixedly installed with a clamping block (7) that is clamped with the arc-shaped groove (6). Inside the disk body (2), there is a rotating rod (8) fixedly sleeved and rotatably connected to the housing (1). One end of the connecting rod (3) is fixedly installed with an outer rod (15). Inside the outer rod (15), there is an inner rod (16) that penetrates to one end of the outer rod (15). Inside the outer rod (15), there is a screw rod (17) rotatably connected through a bearing and penetrating into the inner rod (16). On the surface of the screw rod (17), there is a threaded block (18) threadedly connected and fixedly connected to the inner rod (16).

2. The anti-deformation tooling for a welded flange according to claim 1, wherein: On both sides of the connecting rod (3), there are guide blocks (5) fixedly connected to the inside of the housing (1).

3. The anti-deformation tooling for a welding flange according to claim 1, characterized in that: On the surface of the rotating rod (8), there is a worm gear (9) fixedly sleeved. On the surface of the worm gear (9), there is a worm (10) meshed. One end of the worm (10) is fixedly sleeved with a bevel gear one (11).

4. The anti-deformation tooling for a welded flange according to claim 3, characterized in that: On the surface of the bevel gear one (11), there is a bevel gear two (12) meshed. Inside the bevel gear two (12), there is a rod one (13) fixedly sleeved and penetrating to the surface of the housing (1). One end of the rod one (13) is fixedly installed with a knob one (14).

5. The anti-deformation tooling for a welded flange according to claim 1, characterized in that: On both sides of the inner rod (16), there are sliders (19) fixedly installed. Inside the outer rod (15), there are chutes (20) provided for the sliders (19) to slide.

6. The anti-deformation tooling for a welded flange according to claim 1, characterized in that: One end of the screw rod (17) is fixedly sleeved with a bevel gear three (21). On the surface of the bevel gear three (21), there is a bevel gear four (22) meshed.

7. The anti-deformation tooling for a welded flange according to claim 6, characterized in that: Inside the bevel gear four (22), there is a rod two (23) fixedly sleeved and penetrating to the surface of the outer rod (15). One end of the rod two (23) is fixedly installed with a knob two (24).

8. The anti-deformation tooling for a welding flange according to claim 1, characterized in that: The inner rod (16) and the contact block (4) are bolted to each other. On the surface of the inner rod (16), there are scales (25).

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