Steel structure jig frame

Abstract

The utility model relates to a steel structure jig frame. The device comprises a main body, the top supporting structure is arranged at the top of the main body; each first reinforcing structure comprises a plurality of first oblique beams and a plurality of first cross beams which are arranged in parallel in the vertical direction, and each first cross beam comprises a first end and a second end which are oppositely arranged; the two groups of second reinforcing structures comprise a plurality of second oblique beams and a plurality of second cross beams which are arranged in parallel in the vertical direction, and each second cross beam comprises a first end and a second end which are oppositely arranged; the multiple layers of third reinforcing structures are vertically arranged along the main body, each third reinforcing structure comprises two supporting cross beams which are arranged on the horizontal plane in a crossed mode and connected with each other, and the two ends of each supporting cross beam are connected with the two vertical beams at the corresponding corners. Through reasonable layout, uniform stress of the whole structure is ensured, stress concentration is effectively dispersed, the problem of insufficient local strength is avoided, and the service life of the jig frame is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a steel structure falsework. Background Art

[0002] In the prior art, during the construction of steel structures, it is necessary to first build a falsework, and then hoist the corresponding truss so that the truss can be supported on the falsework. Support steel plates or support square steels are usually arranged at the top of the falsework, and the support square steels can be welded and fixed to the corresponding parts on the truss to achieve the effect of fixing the position of the truss. The falsework is an essential tooling equipment in steel structure manufacturing. When manufacturing steel structure products, the steel structure needs to be fixed on the tooling falsework, and then welding between the steel structures is carried out. Using the tooling falsework to manufacture steel structure products can improve the manufacturing efficiency and manufacturing accuracy, etc. The falsework is mainly formed by assembling and welding profiles and templates. Fixing the steel structure on the tooling falsework can manufacture steel structure products with specific dimensions.

[0003] In the design and manufacturing process of the falsework, if the load is not reasonably distributed, stress concentration is likely to occur at some nodes or welding parts. These stress concentration areas may become the starting points of fatigue cracks during long-term use, reducing the service life of the falsework. Summary of the Invention

[0004] Therefore, the utility model provides a steel structure falsework, which ensures the uniform stress of the overall structure through reasonable layout, effectively disperses stress concentration, avoids the problem of insufficient local strength, and extends the service life of the falsework.

[0005] To solve the above technical problems, the utility model provides a steel structure falsework, comprising:

[0006] A main body, including four vertical beams arranged in parallel and disposed at the four corners of a rectangle;

[0007] A top support structure, disposed at the top of the main body;

[0008] Two groups of first strengthening structures, respectively arranged in front of and behind the main body. Each first strengthening structure includes a plurality of first inclined beams and a plurality of first cross beams arranged parallel to each other in the vertical direction. The first cross beam includes a first end and a second end arranged oppositely. Among two adjacent first cross beams, the first end of one first cross beam and the second end of the other first cross beam are respectively connected to both ends of the first inclined beam located between the two first cross beams. Two adjacent first inclined beams are symmetrically arranged along the first cross beam between them;

[0009] Two sets of second strengthening structures are respectively arranged on the left and right sides of the main body. Each of the second strengthening structures includes multiple second inclined beams and multiple second cross beams arranged vertically and parallel to each other. The second cross beam includes a first end and a second end arranged oppositely. Among two adjacent second cross beams, the first end of one second cross beam and the second end of the other second cross beam are respectively connected to both ends of the second inclined beam located between the two second cross beams, and two adjacent second inclined beams are symmetrically arranged along the second cross beam between them;

[0010] Multiple layers of third strengthening structures arranged vertically along the main body. Each of the third strengthening structures includes two support cross beams arranged crosswise and connected to each other on a horizontal plane, and both ends of each support cross beam are connected to two vertical beams at corresponding diagonal corners.

[0011] In an embodiment of the present utility model, the top support structure includes a frame formed by welding multiple H-shaped steel.

[0012] In an embodiment of the present utility model, the top support structure includes a lifting frame for being lifted by a crane.

[0013] In an embodiment of the present utility model, the first cross beam and the second cross beam are at the same horizontal height.

[0014] In an embodiment of the present utility model, a third inclined beam is further arranged between the first cross beam at the topmost part and the bottom end of the top support structure.

[0015] In an embodiment of the present utility model, a herringbone support inclined beam is further arranged between the second cross beam at the topmost part and the bottom end of the top support structure.

[0016] In an embodiment of the present utility model, the vertical beam, the first inclined beam, the first cross beam, the second inclined beam, the second cross beam, and the support cross beam are all made of angle steel.

[0017] In an embodiment of the present utility model, a predetermined distance is left between the first cross beam and the second cross beam at the bottommost part and the bottom end of the vertical beam.

[0018] The above technical solution of the present utility model has the following advantages compared with the prior art:

[0019] A steel structure jig described in the present utility model, the main body of the steel structure jig is composed of four vertical beams arranged in parallel and disposed at the four corners of a rectangle, and forms a stable whole through a top support structure and a multi-layer strengthening structure. In particular, the arrangement of the inclined beams and cross beams in the first and second strengthening structures enables the jig to bear a large load, avoiding structural instability and fatigue cracks caused by stress concentration. Each part of the jig ensures uniform stress distribution of the overall structure through a reasonable layout. The design of the cross arrangement of the inclined beams and cross beams effectively disperses stress concentration, avoids the problem of insufficient local strength, and extends the service life of the jig. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to specific embodiments of the present utility model in conjunction with the drawings.

[0021] Figure 1 is a schematic structural diagram of the steel structure jig of the present utility model.

[0022] Figure 2 is Figure 1 a schematic diagram along the A-A direction.

[0023] Figure 3 is Figure 1 a schematic diagram along the B-B direction.

[0024] Figure 4 is a schematic diagram of the installation of the present utility model and the jig foundation.

[0025] Figure 5 is a schematic diagram when the present utility model is spliced.

[0026] Figure 6 is a schematic diagram of the overall layout when the present utility model is spliced.

[0027] Explanation of the reference numerals in the drawings of the specification:

[0028] 1, main body; 11, vertical beam;

[0029] 2, top support structure; 21, H-shaped steel; 22, lifting hook; 23, third inclined beam; 24, herringbone support inclined beam; 25, support seat;

[0030] 3, first strengthening structure; 31, first inclined beam; 32, first cross beam;

[0031] 4, second strengthening structure; 41, second inclined beam; 42, second cross beam;

[0032] 5, third strengthening structure; 51, support cross beam;

[0033] 6, jig foundation;

[0034] 7. Foundation pile cap

[0035] 8. Arch truss Detailed implementation manner

[0036] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and be able to implement it, but the embodiments cited are not intended to limit the present utility model.

[0037] In the present utility model, when directions (up, down, left, right, front and back) are described, it is only for the convenience of describing the technical solution of the present utility model, rather than indicating or implying that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model.

[0038] In the present utility model, the meaning of "several" is one or more, the meaning of "multiple" is two or more, and understandings such as "greater than", "less than", "exceeding" do not include the present number; understandings such as "above", "below", "within" include the present number. In the description of the present utility model, if "first" and "second" are described, they are only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0039] In the present utility model, unless otherwise clearly defined, words such as "set", "installed", "connected" should be understood in a broad sense. For example, they can be directly connected, or indirectly connected through an intermediate medium; they can be fixedly connected, or detachably connected, and can also be integrally formed; they can be mechanically connected, or electrically connected or capable of communicating with each other; they can be the communication inside two components or the interaction relationship between two components. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0040] Refer to Figures 1 to 3 As shown, a steel structure formwork support of the present utility model includes:

[0041] The main body 1 includes four vertical beams 11 arranged in parallel and disposed at the four corners of a rectangle;

[0042] The top support structure 2 is disposed on the top of the main body 1;

[0043] Two sets of first strengthening structures 3 are respectively arranged in front of and behind the main body 1. Each first strengthening structure 3 includes a plurality of first diagonal beams 31 and a plurality of first cross beams 32 arranged vertically and parallel to each other. The first cross beam 32 includes a first end and a second end arranged opposite to each other. Among two adjacent first cross beams 32, the first end of one first cross beam 32 and the second end of the other first cross beam 32 are respectively connected to both ends of the first diagonal beam 31 located between the two first cross beams 32. Two adjacent first diagonal beams 31 are symmetrically arranged along the first cross beam 32 between them;

[0044] Two sets of second strengthening structures 4 are respectively arranged on the left and right sides of the main body 1. Each second strengthening structure 4 includes a plurality of second diagonal beams 41 and a plurality of second cross beams 42 arranged vertically and parallel to each other. The second cross beam 42 includes a first end and a second end arranged opposite to each other. Among two adjacent second cross beams 42, the first end of one second cross beam 42 and the second end of the other second cross beam 42 are respectively connected to both ends of the second diagonal beam 41 located between the two second cross beams 42. Two adjacent second diagonal beams 41 are symmetrically arranged along the second cross beam 42 between them;

[0045] Multiple layers of third strengthening structures 5 arranged vertically along the main body 1. Each third strengthening structure 5 includes two support cross beams 51 arranged crosswise and connected to each other on a horizontal plane. Both ends of each support cross beam 51 are connected to two vertical beams 11 at corresponding diagonal corners.

[0046] In one embodiment, the top support structure 2 includes a frame formed by welding a plurality of H-shaped steels 21, and a support seat 25 is further arranged on the frame.

[0047] In one embodiment, referring to Figure 2 As shown, the top support structure 2 includes a lifting frame 22 for being lifted by a crane.

[0048] In one embodiment, the first cross beam 32 and the second cross beam 42 are at the same horizontal height.

[0049] In one embodiment, a third diagonal beam 23 is further arranged between the first cross beam 32 at the topmost part and the bottom end of the top support structure 2.

[0050] In one embodiment, a herringbone support diagonal beam 24 is further arranged between the second cross beam 42 at the topmost part and the bottom end of the top support structure 2.

[0051] In one embodiment, the vertical beam 11, the first diagonal beam 31, the first cross beam 32, the second diagonal beam 41, the second cross beam 42, and the support cross beam 51 are all made of angle steel.

[0052] In one embodiment, with reference to Figure 4 as shown, a predetermined distance is left between the lowermost first cross beam 32 and the second cross beam 42 and the bottom end of the vertical beam 11, facilitating installation on the jig foundation 6.

[0053] The jig is manufactured using standard profiles such as H-shaped steel 21 and angle steel. The material properties are stable and the manufacturing process is mature. This not only improves the material utilization rate, but also reduces the manufacturing cost, and ensures the structural strength and stability.

[0054] With reference to Figure 5 and Figure 6 as shown, when arranging the jig of the present utility model, the jig foundation 6 is 3000*5000*300 mm (5 meters in length, 3 meters in width, and 0.3 meters in height), cast with C30 concrete, and the foundation reinforcement is grade III reinforcement φ12 mm bidirectional @200*200 (arranged with a longitudinal and transverse spacing of 200 mm). The bottom is filled with 500 mm thick crushed stones, backfilled and compacted, with a compaction degree of 93%. Considering construction during the rainy season, the elevation of the jig foundation 6 is uniformly controlled to be 300 mm higher than other passing road surfaces to prevent water from reducing the bearing capacity of the foundation.

[0055] Place the base on the embedded parts of the foundation bottom plate. The embedded parts are steel plates made of Q235B with a thickness of 20 mm and a cross-sectional size of 300*300 m. After fixing the base firmly, the installation of the upper steel structure jig can be carried out. Each steel frame beam is provided with 4 supports, and among them, the arch foot jig is located on the foundation pile cap 7. The welded steel plate at the bottom end node of the steel structure jig is connected firmly with the embedded parts through embedded bolts. The steel structure jig is hoisted by a 25t truck-mounted crane to be positioned at the designed location, and then the arched truss 8 is spliced.

[0056] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the examples, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A steel structure tire frame, characterized in that: include: The main body (1) comprises four vertical beams (11) arranged in parallel and at the four corners of a rectangle; A top support structure (2), arranged on the top of the main body (1); Two groups of first reinforcement structures (3) are arranged at the front and rear of the main body (1), respectively; each of the first reinforcement structures (3) comprises a plurality of first oblique beams (31) and a plurality of first cross beams (32) arranged vertically and parallel to each other; the first cross beams (32) comprise first ends and second ends arranged opposite to each other; of two adjacent first cross beams (32), the first end of one first cross beam (32) and the second end of the other first cross beam (32) are respectively connected to two ends of the first oblique beam (31) located between the two first cross beams (32); and the two adjacent first oblique beams (31) are symmetrically arranged along the first cross beam (32) between them; Two groups of second reinforcing structures (4) are arranged on the left and right sides of the main body (1), respectively; each of the second reinforcing structures (4) comprises a plurality of second oblique beams (41) and a plurality of second cross beams (42) arranged vertically and parallel to each other; the second cross beams (42) comprise a first end and a second end arranged opposite to each other; of two adjacent second cross beams (42), the first end of one second cross beam (42) and the second end of the other second cross beam (42) are respectively connected to the two ends of the second oblique beam (41) located between the two second cross beams (42); and the two adjacent second oblique beams (41) are symmetrically arranged along the second cross beam (42) between them; Multiple layers of third reinforcement structures (5) are arranged vertically along the main body (1), each of the third reinforcement structures (5) comprising two supporting cross beams (51) arranged crosswise on a horizontal plane and connected to each other, and two ends of each supporting cross beam (51) are connected to two vertical beams (11) at corresponding diagonal positions.

2. A steel structure tire frame according to claim 1, characterized in that: The top support structure (2) comprises a frame formed by welding a plurality of H-shaped steels (21).

3. The steel structure tire frame according to claim 1, characterized in that: The top support structure (2) comprises a lifting frame (22) for lifting by a crane.

4. The steel structure tire frame according to claim 1, characterized in that: The first crossbeam (32) and the second crossbeam (42) are located at the same horizontal height.

5. The steel structure tire frame according to claim 1, characterized in that: A third inclined beam (23) is also provided between the first cross beam (32) located at the top and the bottom end of the top support structure (2).

6. The steel structure tire frame according to claim 1, characterized in that: A herringbone-shaped supporting inclined beam (24) is also provided between the second cross beam (42) located at the top and the bottom end of the top supporting structure (2).

7. The steel structure tire frame according to claim 1, characterized in that: The vertical beam (11), the first oblique beam (31), the first cross beam (32), the second oblique beam (41), the second cross beam (42), and the supporting cross beam (51) are all made of angle steel.

8. The steel structure tire frame according to claim 1, characterized in that: A predetermined distance is left between the first cross beam (32) and the second cross beam (42) located at the bottom and the bottom end of the vertical beam (11).

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