Temporary supporting device for steel beam

Abstract

The utility model discloses a steel beam temporary supporting device which comprises a latticed column body, the bottom of the latticed column body is fixedly connected with a latticed column base, the upper surface of the latticed column body is fixedly connected with a distribution beam main bridge, the latticed column body comprises four latticed stand columns, and the outer surfaces of the latticed stand columns are fixedly connected with web members. The other end of each web member is fixedly connected with the other lattice stand column, the outer surface of each lattice stand column is fixedly connected with a supporting lattice column, and the other end of each supporting lattice column is fixedly connected with the other lattice stand column. And in the construction process, structural deformation can be reduced, structural damage caused by bearing gravity is prevented, potential safety hazards caused by structural instability are avoided, the structure is simple, on the premise that safety is met, design is optimized, material use is reduced, and cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering construction technical field especially relates to a steel beam temporary support device. BACKGROUND

[0002] In the construction engineering, the installation and the fixed of steel beam are the key step, and the steel beam temporary support device is usually used in the construction and engineering project, especially in the construction process of large-scale structure, the existing steel box girder is segmented to make, and is transported to the scene according to the scene construction progress arrangement in turn, and the steel box girder is assembled in the steel box girder assembling area, so that the whole box room is assembled into a whole, in the construction process, because the site condition is complex, the transportation, installation and maintenance of heavy steel beam need to ensure the safety of workers and surrounding environment, the temporary support device can prevent the structure from being unstable in the construction stage, reduces the risk of collapse and other accidents, and the steel beam can be influenced by external force in the installation process, for example wind, earthquake etc., the temporary support device can provide additional support and stability, ensure that the beam body maintains correct position and angle before being completely fixed, but the existing device structure is complex, the carrying capacity is low, and the safety is low. SUMMARY

[0003] The utility model discloses a steel beam temporary support device, the device has enough intensity under the load, provides additional support for the steel beam, guarantees the stability of structure in the construction process, and the device can reduce the deformation of structure in the construction process, prevent the structural damage caused by bearing gravity, avoid the security risk caused by unstable structure, provide additional security guarantee for structure construction, can effectively reduce the risk, and the simple structure under the premise of meeting safety, optimization design reduces the material use, saves the cost.

[0004] The utility model discloses still provide with above -mentioned one kind steel beam temporary support device, it is including: lattice column body, lattice column body's bottom fixedly connected with lattice column base, the upper surface of lattice column body is fixedly connected with distribution girder main line bridge, lattice column body includes four lattice columns, the outer surface of lattice column is fixedly connected with web member, another end of web member is fixedly connected with another lattice column, the outer surface of lattice column is fixedly connected with support lattice column, another end of support lattice column is fixedly connected with another lattice column, the device has enough intensity under the load, provides additional support for the steel beam, guarantees the stability of structure in the construction process, and the device can reduce the deformation of structure in the construction process, prevent the structural damage caused by bearing gravity, avoid the security risk caused by unstable structure, provide additional security guarantee for structure construction, can effectively reduce the risk, and the simple structure under the premise of meeting safety, optimization design reduces the material use, saves the cost.

[0005] The lattice column body is specifically a lattice column type with a length and a width of 2 m, and can form a stable frame.

[0006] The lattice column base is formed by pouring concrete at the bottom foot of the lattice column, and has a length and a width of 3.5 m and a thickness of 500 mm.

[0007] The lattice column is specifically a circular steel pipe with a diameter of 426 mm and a wall thickness of 8 mm, and the web rod adopts a profile steel with the same cross-section characteristic as the lattice column, which can effectively improve the load capacity of the structure and bear the steel beam and additional load during construction.

[0008] The distribution beam main line bridge is specifically a double-spliced HN with a length of 700 mm and a width of 300 mm, and the support height of the distribution beam main line bridge is 15.5 m, which can effectively improve the load capacity of the structure and improve the stability and safety of the structure.

[0009] The web rod and the lattice column are bolted, and the support lattice column and the lattice column are bolted, which can ensure the stability of the structure.

[0010] The distribution beam main line bridge and the lattice column body are welded, and the lattice column and the distribution beam main line bridge are fixedly connected, which can provide stable support.

[0011] Advantages

[0012] Compared with the prior art, the novel steel beam temporary support device has sufficient strength under load, provides additional support for the steel beam, ensures the stability of the structure during construction, can reduce the deformation of the structure during construction, prevents structural damage caused by bearing gravity, avoids safety hazards caused by unstable structure, provides additional safety protection for structural construction, effectively reduces risks, and has simple structure, optimized design, reduced material use, and cost saving under the premise of meeting safety. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described below in combination with the drawings and examples;

[0014] Figure 1 It is the main view structural schematic diagram of the utility model steel beam temporary support device.

[0015] Figure 2 It is side view structural schematic diagram of the steel beam temporary support device.

[0016] Legend:

[0017] 1, lattice column base; 2, lattice column body; 3, distribution beam main line bridge; 4, lattice column; 5, web; 6, support lattice column. DETAILED DESCRIPTION

[0018] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0019] Example 1

[0020] The lattice column body 2 is specifically a lattice column type with length and width of 2m, the bottom of the lattice column body 2 is fixedly connected with the lattice column base 1, the lattice column base 1 is formed by pouring concrete at the bottom foot of the lattice column 4, the length and width of the lattice column base 1 are both 3.5m, and the thickness is 500mm, the upper surface of the lattice column body 2 is fixedly connected with the distribution beam main line bridge 3, the distribution beam main line bridge 3 is specifically a double-spliced HN, a finished product type steel with length of 700mm and width of 300mm, the support height of the distribution beam main line bridge 3 is 15.5m, the lattice column body 2 includes four lattice columns 4, the lattice column 4 is specifically a circular steel pipe with diameter of 426mm and wall thickness of 8mm, the outer surface of the lattice column 4 is fixedly connected with the web 5, which is used to help share and transfer load, the web 5 adopts a type steel with the same section characteristic as the lattice column 4, the other end of the web 5 is fixedly connected with another lattice column 4, the outer surface of the lattice column 4 is fixedly connected with the support lattice column 6, which is used to help share and transfer load, the other end of the support lattice column 6 is fixedly connected with another lattice column 4, the web 5 and the lattice column 4 adopt bolted connection, the support lattice column 6 and the lattice column 4 adopt bolted connection, the distribution beam main line bridge 3 and the lattice column body 2 adopt welding, and the lattice column 4 is fixedly connected with the distribution beam main line bridge 3.

[0021] The weight of JD2 and DHL1 is supported, JD2 section 10 blocks, the weight of each block is 56 tons, 39.7 tons, 41.7 tons, 53.2 tons, 37.9 tons, 56.9 tons, 56.2 tons, 56.1 tons, 27 tons, 36.3 tons, 41.2 tons, DHL1 section 2 blocks, the weight of each block is 92.2 tons, 92.3 tons, and four support points are arranged for each block of the temporary support.

[0022] The results are as follows: combined stress (load combination: 1.3 dead load + 1.5 live load)

[0023] Deformation (load combination: 1.3 dead load + 1.5 live load), the maximum deformation occurs in the distribution beam is 13mm < l / 400 = 25mm

[0024] Column reaction force (load combination: 1.3 dead load + 1.5 live load) The maximum single column reaction force is 444.5KN.

[0025] Example 2

[0026] The support bears the weight of JD2 and JD3, JD2 segment 10 blocks, each block weighs 56 tons, 41.7 tons, 53.2 tons, 37.9 tons, 56.9 tons, 56.2 tons, 56.1 tons, 27 tons, 36.3 tons, 41.2 tons, JD3 segment 9 blocks, each block weighs 31 tons, 23.1 tons, 29.4 tons, 21 tons, 31.5 tons, 31.1 tons, 31.1 tons, 17.8 tons, 8.6 tons, and the temporary support of a single block is set up 4 support points.

[0027] The results are as follows: combined stress (load combination: 1.3 dead load + 1.5 live load) The maximum combined stress is 105.7N / mm 2 <215N / mm 2

[0028] Deformation (load combination: 1.3 dead load + 1.5 live load), the maximum deformation occurs in the distribution beam is 6.2mm < l / 400 = 11.5mm

[0029] Column reaction force (load combination: 1.3 dead load + 1.5 live load)

[0030] The maximum single column reaction force is 325.3KN.

[0031] Example 3

[0032] The support bears the weight of JD9 and JD10, JD9 segment 8 blocks, each block weighs 45 tons, 40.1 tons, 44.1 tons, 43 tons, 42.1 tons, 29.2 tons, 56.5 tons, 40.7 tons, JD10 segment 8 blocks, each block weighs 68.1 tons, 60.9 tons, 66.8 tons, 65.3 tons, 63.9 tons, 44.3 tons, 86.8 tons, 61.7 tons, and the temporary support of a single block is set up 4 support points.

[0033] The results are as follows: combined stress (load combination: 1.3 dead load + 1.5 live load) The maximum combined stress is 126.7N / mm 2 <215N / mm 2

[0034] The maximum deformation of the deformation (load combination: 1.3 dead load + 1.5 live load) occurs on the distribution beam and is 8.3mm < l / 400 = 11.2mm

[0035] Column reaction force (load combination: 1.3 dead load + 1.5 live load)

[0036] The maximum single column reaction force is 490.8KN.

[0037] Working principle: in the production, four lattice columns 4 column bases are formed by concrete pouring to form lattice column bases 1, then the web members 5 are installed on the four lattice columns 4 by bolting, the support lattice columns 6 are installed on the four lattice columns 4 by bolting, then the distribution beam main line is welded on the four lattice columns 4, the temporary support structure is a lattice column type with a length and a width of two meters, the lattice column base 1 foundation is a concrete foundation with a length and a width of 3.5 meters and a thickness of 500mm; the lattice column 4 is a circular steel pipe with a diameter of 426mm and a wall thickness of 8mm, the web member 5 adopts a steel with the same cross-sectional characteristics, the distribution beam main line 3 adopts a double-spliced HN product steel with a length of 700mm and a width of 300mm, the support height is about 15.5 meters, the support lattice column 6 adopts bolting, and the distribution beam connection adopts welding.

[0038] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A temporary support device for a steel beam, characterized in that, Include: Lattice column body (2), the bottom of the lattice column body (2) is fixedly connected with lattice column base (1), the upper surface of the lattice column body (2) is fixedly connected with distribution beam main line bridge (3), the lattice column body (2) includes four lattice columns (4), the outer surface of the lattice column (4) is fixedly connected with web member (5), the other end of the web member (5) is fixedly connected with another lattice column (4), the outer surface of the lattice column (4) is fixedly connected with support lattice column (6), the other end of the support lattice column (6) is fixedly connected with another lattice column (4).

2. A temporary support device for steel beams as claimed in claim 1, wherein, The lattice column body (2) is specifically a lattice column type with a length of 2m and a width of 2m.

3. A temporary support device for steel beams as claimed in claim 1, wherein, The lattice column base (1) is formed by pouring concrete at the bottom foot of the lattice column (4), the length and width of the lattice column base (1) are both 3.5m, and the thickness is 500mm.

4. A temporary support device for steel beams as claimed in claim 1, wherein, The lattice column (4) is specifically a circular steel pipe with a diameter of 426mm and a wall thickness of 8mm, and the web member (5) adopts a profile steel with the same cross-sectional characteristics as the lattice column (4).

5. A temporary support device for steel beams as claimed in claim 1, wherein, The distribution beam main line bridge (3) is specifically a double-spliced HN with a length of 700mm and a width of 300mm, and is a finished profile steel, and the support height of the distribution beam main line bridge (3) is 15.5m.

6. A temporary support device for steel beams as claimed in claim 1, wherein, The web member (5) is bolted with the lattice column (4), and the support lattice column (6) is bolted with the lattice column (4).

7. A temporary support device for steel beams as claimed in claim 1, wherein, The distribution beam main line bridge (3) is welded with the lattice column body (2), and the lattice column (4) is fixedly connected with the distribution beam main line bridge (3).

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