Welding auxiliary device for expansion joint angle steel support

Abstract

The utility model provides an expansion joint angle steel support welding auxiliary device, which belongs to the technical field of bridge expansion device production, and comprises a machine table, a positioning frame, an arched plate and a pressing driving piece, the positioning frame is arranged on the machine table; the arched plate is arranged on the machine table and located below the positioning frame, and the top face of the arched plate is gradually lowered from the middle to the two ends. The downward pressing driving piece is arranged on the positioning frame and used for pressing the angle steel support on the arch-shaped plate. The angle steel support is pressed and fixed to the arched plate through the downward pressing driving piece, on one hand, the stability of the angle steel support during welding can be improved, on the other hand, the angle steel support can be reversely bent through cooperation of the arched plate and the downward pressing driving piece, the deformation of the angle steel support is integrally reduced, and subsequent straightening of the angle steel support is better facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge expansion device production, and more specifically, relates to a welding auxiliary device for expansion joint angle steel supports. Background Art

[0002] A bridge expansion joint refers to an expansion joint usually arranged between two beam ends, between a beam end and an abutment, or at the hinge position of a bridge to meet the requirements of bridge deck deformation; the function of the bridge expansion joint is to adjust the displacement and connection between the superstructures caused by vehicle loads and bridge building materials.

[0003] The Chinese patent with the publication number CN213951931U applied by the applicant discloses an expansion joint device arranged on a bridge concrete layer, including a first bridge body, a second bridge body, and an expansion joint; the first bridge body is provided with a first fixing member; the second bridge body is provided with a second fixing member; a lapping member is spanned above the first fixing member and the second fixing member; the lapping member includes a lintel and a lintel limit fixing member; a plurality of lintel limit fixing members and lintels are fixedly arranged at intervals on the first fixing member and the second fixing member; one end of the lintel is fixedly connected to the first fixing member or the second fixing member, and the other end is freely movable; the first fixing member or the second fixing member is respectively connected to a first fixing mechanism arranged in the first bridge body and the second bridge body; the lintel is connected to a second fixing mechanism arranged in the first bridge body and the second bridge body.

[0004] The angle steel support is formed by arranging and welding the above-mentioned plurality of lintel limit fixing members on the first fixing member or the second fixing member. At present, multiple I-beams are first arranged and positioned on the angle steel by spot welding, and then the I-beams and the angle steel are fully welded and fixed manually. However, since there are many I-beams to be welded on the angle steel, the angle steel is prone to overheating and the two ends are warped. When straightening it later, the amplitude is too large and it is easy to be damaged. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a welding auxiliary device for expansion joint angle steel supports to solve the technical problems in the prior art that the angle steel is prone to overheating and the two ends are warped, and it is easy to be damaged when the amplitude of straightening it later is too large.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: to provide a welding auxiliary device for expansion joint angle steel supports, including:

[0007] A machine table;

[0008] A positioning frame arranged on the machine table;

[0009] An arched plate arranged on the machine table and located below the positioning frame, the top surface of the arched plate gradually decreases from the middle to both ends; and

[0010] A downward pressing driving member is provided on the positioning frame, and the downward pressing driving member is used to press the angle steel support against the arched plate.

[0011] Combined with the above technical solution, in a possible implementation manner, the downward pressing driving member includes:

[0012] Two outer driving cylinders are provided at both ends of the positioning frame, and the two outer driving cylinders are located outside both ends of the arched plate; and

[0013] At least one inner driving cylinder is provided on the positioning frame, and the inner driving cylinder is located directly above the arched plate.

[0014] Combined with the above technical solution, in a possible implementation manner, a cushion block is provided on the machine table directly below the outer driving cylinder, and the height of the cushion block is lower than the height of the middle part of the arched plate.

[0015] Combined with the above technical solution, in a possible implementation manner, a plurality of support blocks are fixed in the gap between the arched plate and the machine table, and at least one of the support blocks is located directly below the inner driving cylinder.

[0016] Combined with the above technical solution, in a possible implementation manner, a limiting plate higher than the height of the middle part of the arched plate is provided on the front side of the machine table.

[0017] Combined with the above technical solution, in a possible implementation manner, the limiting plate is located outside both ends of the arched plate.

[0018] Combined with the above technical solution, in a possible implementation manner, a storage groove is provided on the front side of the machine table.

[0019] Combined with the above technical solution, in a possible implementation manner, a conveying roller is provided on the rear side of the machine table.

[0020] The beneficial effect of a welding auxiliary device for an expansion joint angle steel support provided by the present utility model is as follows: Compared with the prior art, the present utility model presses and fixes the angle steel support to the arched plate through the downward pressing driving member. On the one hand, it can improve the stability of the angle steel support during welding. On the other hand, the cooperation between the arched plate and the downward pressing driving member can perform reverse bending on the angle steel support. After welding is completed, the downward pressing driving member releases the downward pressure on the angle steel support, and the angle steel support itself releases stress, which overall reduces the deformation amount of the angle steel support and is more conducive to subsequent straightening. Description of the Drawings

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 The structural schematic diagram of a welding auxiliary device for a telescopic joint angle steel support provided by an embodiment of the present invention.

[0023] Among them, the reference numerals in the drawings are as follows:

[0024] 1. Machine platform; 11. Pad; 12. Limit plate; 13. Storage groove; 14. Conveyor roller; 2. Positioning frame; 3. Arch plate; 31. Support block; 4. Pressing drive member; 41. Outer drive cylinder; 42. Inner drive cylinder. Specific embodiments

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The specific embodiments described here are only used to explain the present invention and are not used to limit the present invention. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0026] Now, a welding auxiliary device for a telescopic joint angle steel support provided by the present invention will be described.

[0027] As Figure 1 shown, an embodiment of the present invention provides a welding auxiliary device for a telescopic joint angle steel support, including a machine platform 1, a positioning frame 2, an arch plate 3 and a pressing drive member 4; the positioning frame 2 is arranged on the machine platform 1; the arch plate 3 is arranged on the machine platform 1 and is located below the positioning frame 2, and the top surface of the arch plate 3 gradually decreases from the middle to both ends; the pressing drive member 4 is arranged on the positioning frame 2, and the pressing drive member 4 is used to press the angle steel support on the arch plate 3.

[0028] A welding auxiliary device for the expansion joint angle steel support provided in this embodiment, compared with the prior art, presses and fixes the angle steel support to the arch plate 3 through the downward pressing driving member 4. On the one hand, it can improve the stability of the angle steel support during welding. On the other hand, the cooperation between the arch plate 3 and the downward pressing driving member 4 can reversely bend the angle steel support. After welding, the downward pressing driving member 4 releases the downward pressure on the angle steel support, and the angle steel support itself releases stress, reducing the deformation amount of the angle steel support as a whole, which is more conducive to subsequent straightening.

[0029] As Figure 1 shown, a specific implementation manner provided by the present utility model on the basis of the above implementation manner is as follows:

[0030] The downward pressing driving member 4 includes an outer driving cylinder 41 and an inner driving cylinder 42; there are two outer driving cylinders 41 in total and they are located at both ends of the positioning frame 2, and the two outer driving cylinders 41 are located outside both ends of the arch plate 3; there is at least one inner driving cylinder 42 and it is arranged on the positioning frame 2, and the inner driving cylinder 42 is located directly above the arch plate 3.

[0031] After the angle steel support is placed on the arch plate 3, the two outer driving cylinders 41 first press down on both ends of the angle steel support to relatively fix the angle steel support to the arch plate 3, and then further press and fix the angle steel support through the inner driving cylinder 42, improving the force transmission efficiency between the arch plate 3 and the angle steel support.

[0032] As Figure 1 shown, a specific implementation manner provided by the present utility model on the basis of the above implementation manner is as follows:

[0033] A cushion block 11 is arranged on the machine table 1 directly below the outer driving cylinder 41, and the height of the cushion block 11 is lower than the height of the middle part of the arch plate 3.

[0034] The cushion block 11 can support the end of the angle steel support, and at the same time can limit the extreme degree of the downward pressure of the outer driving cylinder 41 on the end of the angle steel support, improving the operation convenience and safety.

[0035] As Figure 1 shown, a specific implementation manner provided by the present utility model on the basis of the above implementation manner is as follows:

[0036] A plurality of support blocks 31 are fixed in the gap between the arch plate 3 and the machine table 1, and at least one support block 31 is located directly below the inner driving cylinder 42.

[0037] When the inner driving cylinder 42 presses the angle steel support tightly on the arch plate 3, the support block 31 can accurately support the stress point on the arch plate 3, extending the service life of the arch plate 3.

[0038] As Figure 1As shown in the figure, a specific implementation manner provided by the present utility model on the basis of the above-mentioned implementation manner is as follows:

[0039] A limiting plate 12 higher than the middle height of the arched plate 3 is provided on the front side of the machine table 1.

[0040] Further, the limiting plate 12 is located outside the two ends of the arched plate 3.

[0041] The setting of the limiting plate 12 can prevent the angle steel support from falling off from the front side of the machine table 1, improving safety, and the position of the limiting plate 12 can make it more convenient to place and remove the angle steel support on and from the arched plate 3.

[0042] As Figure 1 As shown in the figure, a specific implementation manner provided by the present utility model on the basis of the above-mentioned implementation manner is as follows:

[0043] A storage groove 13 is provided on the front side of the machine table 1, which can facilitate the operator to place operation tools.

[0044] As Figure 1 As shown in the figure, a specific implementation manner provided by the present utility model on the basis of the above-mentioned implementation manner is as follows:

[0045] A conveying roller 14 is provided on the rear side of the machine table 1, which can directly push the angle steel support backward to the conveying roller 14 after welding is completed, and then push it onto the conveying roller 14 to enter the next process, improving the convenience of blanking.

[0046] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An auxiliary device for welding expansion joint angle steel supports, characterized in that Comprising: Machine platform (1); Positioning frame (2), arranged on the machine platform (1); Arch-shaped plate (3), arranged on the machine platform (1) and located below the positioning frame (2), the top surface of the arch-shaped plate (3) gradually decreases from the middle to both ends; And Pressing drive member (4), arranged on the positioning frame (2), and the pressing drive member (4) is used to press the angle steel support on the arch-shaped plate (3).

2. The welding auxiliary device for the expansion joint angle steel support according to claim 1, characterized in that, The pressing drive member (4) includes: Outer side drive cylinders (41), there are two in total and located at both ends of the positioning frame (2), and the two outer side drive cylinders (41) are located outside both ends of the arch-shaped plate (3); and Inner side drive cylinder (42), there is at least one and arranged on the positioning frame (2), and the inner side drive cylinder (42) is located directly above the arch-shaped plate (3).

3. The welding auxiliary device for the expansion joint angle steel support according to claim 2, characterized in that, A cushion block (11) is arranged on the machine platform (1) directly below the outer side drive cylinder (41), and the height of the cushion block (11) is lower than the height of the middle part of the arch-shaped plate (3).

4. The welding auxiliary device for the expansion joint angle steel support according to claim 2, characterized in that A plurality of support blocks (31) are fixed in the gap between the arch-shaped plate (3) and the machine platform (1), and at least one of the support blocks (31) is located directly below the inner side drive cylinder (42).

5. A welding auxiliary device for a telescopic joint angle steel support according to any one of claims 1-4, characterized in that, A limit plate (12) with a height higher than the height of the middle part of the arch-shaped plate (3) is arranged on the front side of the machine platform (1).

6. The welding auxiliary device for the expansion joint angle steel support according to claim 5, characterized in that The limit plate (12) is located outside both ends of the arch-shaped plate (3).

7. A welding auxiliary device for the expansion joint angle steel support according to any one of claims 1-4, characterized in that, A storage groove (13) is arranged on the front side of the machine platform (1).

8. A welding auxiliary device for a telescopic joint angle steel support according to any one of claims 1-4, characterized in that, A conveying roller (14) is arranged on the rear side of the machine platform (1).

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