Modular hoisting method and system for steel structures

Abstract

The present invention provides a modular hoisting method and system for steel structures. The hoisting method includes: assembling steel structure components into a plurality of roof beam frame units; for each roof beam frame unit, performing the following operations until all roof beam frame units are installed: hoisting the current roof beam frame unit to be installed to the top of the installed current column to be connected, aligning the current roof beam frame unit to be installed with the current column to be connected, and adjusting and correcting the verticality; fixing the current roof beam frame unit to be installed with the current column to be connected. The modular hoisting method and system for steel structures provided by the present invention can not only reduce the pulling of cables and improve the cleanliness of the construction site, but also improve work efficiency and stability during the steel structure hoisting process and reduce the risk of high-altitude construction. In addition, the present invention can reduce correction deviations and improve the accuracy of steel structure hoisting.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure construction, and in particular to a modular steel structure hoisting method and system. Background Art

[0002] Steel structure engineering is a structure made mainly of steel, and is one of the main types of building structures. Steel is characterized by high strength, light weight, good overall rigidity, and strong deformation capacity, so it is particularly suitable for building large-span, ultra-high, and ultra-heavy buildings; the material has good homogeneity and isotropy, good plasticity and toughness, can have large deformation, can well withstand dynamic loads, has a short construction period, high processing precision, and a high degree of industrialization, and can be produced in a highly mechanized and specialized manner.

[0003] See also Figures 1 to 3 , Figure 1 It is a structural schematic diagram of hoisting a single steel beam in a steel structure construction process in the prior art; Figure 2 It is a structural schematic diagram of a hoisting horizontal support member in a steel structure construction process in the prior art; Figure 3 The following is a schematic diagram of the structure in which construction workers supplementally install purlins in a steel structure construction process in the prior art. Figures 1 to 3 It can be seen that in the existing steel structure construction process, when installing a unit body, the current column 2 to be connected is installed first, and then the multiple steel beam sections 11 are assembled into two single steel beams 1 on the ground, and the two single steel beams 1 are hoisted to the top of the current column 2 to be connected in sequence by a crane. Then, another crane is used to hoist multiple horizontal support members 3 between the two single steel beams 1 in sequence, and the horizontal support members 3 are corrected. Finally, after the hoisting of the two single steel beams 1 and the multiple horizontal support members 3 is completed, the construction personnel need to supplement the installation of the roof substructure (such as purlins 4), and repeat the above hoisting steps until the entire house is hoisted.

[0004] However, from Figures 1 to 3 It can be seen that there are some significant problems with the existing steel structure construction process. First, the stability of a single steel beam 1 is poor during the hoisting process. In order to ensure its fixed position, each single steel beam 1 needs to be equipped with multiple cables 5, which not only makes the construction site look messy, but also increases the complexity of on-site management. Secondly, after completing the hoisting of two single steel beams 1, it is necessary to hoist multiple horizontal support members 3 in turn and calibrate them before continuing the subsequent hoisting. This construction method is not only inefficient, but also has a great impact on the vertical adjustment of the columns and the correction of the entire unit system. Moreover, construction personnel are also required to perform high-altitude operations to supplement the installation of purlins 4, a process that carries a high safety risk. Summary of the invention

[0005] The purpose of the present invention is to provide a modular lifting method and system for steel structures to solve one or more of the problems existing in the prior art, such as poor lifting stability of a single steel beam during traditional steel structure construction, the need for each single steel beam to be fixed with cables and ropes, a messy construction site, high risks of high-altitude construction, and effects on the verticality of columns and the correction of the entire unit system.

[0006] To achieve the above object, the present invention is implemented through the following technical solutions: A modular steel structure hoisting method, comprising:

[0007] Assemble the steel structure components into several roof beam frame units;

[0008] For each of the roof beam frame units, perform the following operations until all the roof beam frame units are installed:

[0009] Lifting the roof beam frame unit to be installed to the top of the installed column to be connected, aligning the roof beam frame unit to be installed with the column to be connected, and adjusting and correcting the verticality;

[0010] The roof beam frame unit to be installed is fixed to the column to be connected.

[0011] Optionally, the steel structural member includes steel beam sections, horizontal supports and purlins; the roof beam frame unit includes at least one roof beam frame assembly; the lifting method also includes assembling each roof beam frame assembly in the following manner: assembling several sections of the steel beam sections into two complete single steel beams; fixing a plurality of the horizontal supports and a plurality of the purlins between the two single steel beams to obtain the roof beam frame assembly.

[0012] Optionally, a plurality of the horizontal support members are laid in parallel and evenly between two of the single steel beams.

[0013] Optionally, a plurality of the purlins are cross-arranged between two of the single steel beams.

[0014] Optionally, when the roof beam frame unit includes a plurality of the roof beam frame assemblies, the hoisting method further includes assembling the roof beam frame unit in the following manner: arranging all the roof beam frame assemblies in sequence along their length extension directions and keeping them collinear; fixing adjacent roof beam frame assemblies by bolting or welding to obtain the roof beam frame unit.

[0015] Optionally, all of the roof beam frame units are assembled on an assembly platform.

[0016] Optionally, an adjustable support is provided at the bottom of the assembly platform.

[0017] Optionally, the hoisting method further includes: before hoisting the roof beam frame unit to be installed, inspecting the size, verticality, flatness and appearance quality of the assembled roof beam frame unit to be installed.

[0018] Optionally, fixing the roof beam frame unit to be installed and the column to be connected includes: fine-tuning the roof beam frame unit to be installed, and fixing the roof beam frame unit to be installed by bolting or welding.

[0019] To achieve the above-mentioned purpose, the present invention also provides a modular lifting system for steel structures, including an assembly module and a lifting and installation module; the assembly module is configured to assemble steel structure components into a plurality of roof beam frame units; the lifting and installation module is configured to perform the following operations for each of the roof beam frame units until all the roof beam frame units are installed: lift the roof beam frame unit to be installed to the top of the installed column to be connected, align the roof beam frame unit to be installed with the column to be connected, and adjust and correct the verticality; fix the roof beam frame unit to be installed with the column to be connected.

[0020] Compared with the prior art, the modular steel structure hoisting method and system provided by the present invention has the following beneficial effects:

[0021] The modular hoisting method for steel structure provided by the present invention includes: assembling steel structure components into a plurality of roof beam frame units; for each of the roof beam frame units, performing the following operations until all the roof beam frame units are installed: hoisting the current roof beam frame unit to be installed to the top of the installed current column to be connected, aligning the current roof beam frame unit to be installed with the current column to be connected, and adjusting and correcting the verticality; fixing the current roof beam frame unit to be installed with the current column to be connected. Therefore, the modular hoisting method for steel structure provided by the present invention, by assembling steel structure components into roof beam frame units and then hoisting the roof beam frame units, can not only reduce the pulling of cables and improve the cleanliness of the construction site, but also improve work efficiency and stability during the steel structure hoisting process and reduce the risk of high-altitude construction. Moreover, compared with the existing lifting method (lifting two single steel beams and horizontal supports separately, the two single steel beams and horizontal supports need to be calibrated, and the purlins need to be installed after the two single steel beams and horizontal supports are lifted), the modular lifting method of steel structure provided by the present invention pre-assembles the horizontal supports, purlins and two single steel beams into a roof beam frame unit, so that the three can be lifted at the same time. Only the verticality of the roof beam frame unit needs to be corrected, which can reduce the correction deviation and thus improve the lifting accuracy of the steel structure.

[0022] Since the modular lifting system for steel structures provided by the present invention and the modular lifting method for steel structures provided by the present invention belong to the same inventive concept, the modular lifting system for steel structures provided by the present invention at least has all the advantages of the modular lifting method for steel structures provided by the present invention. For the advantages of the modular lifting system for steel structures provided by the present invention, please refer to the relevant description of the beneficial effects of the modular lifting method for steel structures provided by the present invention, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of hoisting a single steel beam in a steel structure construction process in the prior art;

[0024] Figure 2 It is a structural schematic diagram of a hoisting horizontal support member in a steel structure construction process in the prior art;

[0025] Figure 3 A structural schematic diagram of a construction worker installing additional purlins in a steel structure construction process in the prior art;

[0026] Figure 4 A schematic diagram of the overall steps of a modular steel structure hoisting method provided in the first embodiment of the present invention;

[0027] Figure 5A specific example diagram of a roof beam frame unit provided in the first embodiment of the present invention;

[0028] Figure 6 for Figure 5 The structural schematic diagram of the roof beam frame unit when it is hoisted is shown;

[0029] Figure 7 Another specific example diagram of the roof beam frame unit provided in the first embodiment of the present invention;

[0030] Figure 8 for Figure 7 The structural schematic diagram of the roof beam frame unit when it is hoisted is shown;

[0031] The following are the descriptions of the reference numerals:

[0032] 1- single steel beam, 11- steel beam segment, 2- current column to be connected, 3- horizontal support, 4- purlin, 5- cable wind rope, 6- roof beam frame assembly. DETAILED DESCRIPTION

[0033] The following is a further detailed description of the steel structure modular hoisting method and system proposed by the present invention in combination with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the present invention will be clearer. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention. In order to make the purposes, features and advantages of the present invention more obvious and easy to understand, please refer to the accompanying drawings. It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention. Any modification of the structure, change of the proportional relationship or adjustment of the size, in the case of the same or similar effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical content disclosed by the present invention. The specific design features of the present invention disclosed herein include, for example, specific dimensions, directions, positions and shapes, which will be determined in part by the specific environment to be applied and used. And, in the embodiments described below, sometimes the same figure mark is used to represent the same part or part with the same function between different drawings, and its repeated description is omitted.

[0034] Embodiment 1

[0035] This embodiment provides a modular steel structure hoisting method. Figure 4 , Figure 4 The schematic diagram of the overall steps of the steel structure modular hoisting method provided in this embodiment. Figure 4 It can be seen that the hoisting method includes:

[0036] S100: Assemble the steel structure components into several roof beam frame units;

[0037] S200: For each of the roof beam frame units, perform the following operations until all the roof beam frame units are installed:

[0038] S210: hoisting the roof beam frame unit to be installed to the top of the installed column 2 to be connected, aligning the roof beam frame unit to be installed with the column 2 to be connected, and adjusting and correcting the verticality;

[0039] S220: Fixing the roof beam frame unit to be installed and the column 2 to be connected.

[0040] Therefore, the modular hoisting method for steel structure provided in this embodiment, by assembling steel structure components into roof beam frame units and then hoisting the roof beam frame units, can not only reduce the pulling of cable wind ropes 5 and improve the cleanliness of the construction site, but also improve work efficiency and stability during steel structure hoisting and reduce the risk of high-altitude construction. Moreover, compared with the existing hoisting method (two single steel beams 1 and horizontal support members 3 are hoisted separately, and both the two single steel beams 1 and the horizontal support members 3 need to be corrected, and after the two single steel beams 1 and the horizontal support members 3 are hoisted, the purlins 4 need to be installed additionally), the modular hoisting method for steel structure provided in this embodiment, by pre-assembling the horizontal support members 3, the purlins 4 and the two single steel beams 1 into the roof beam frame unit, enables the three to be hoisted at the same time, and only the verticality of the roof beam frame unit needs to be corrected, which can reduce the correction deviation, thereby improving the accuracy of steel structure hoisting.

[0041] Preferably, see Figure 5 , Figure 5 This is a specific example diagram of the roof beam frame unit provided in this embodiment. Figure 5 It can be seen that in step S100, the steel structure member includes a steel beam segment 11, a horizontal support member 3 and a purlin 4; the roof beam frame unit includes at least one roof beam frame assembly 6; the hoisting method further includes assembling each of the roof beam frame assemblies 6 in the following manner:

[0042] S101: assembling a plurality of steel beam segments 11 into two complete single steel beams 1;

[0043] S102: A plurality of the horizontal support members 3 and a plurality of the purlins 4 are fixedly connected between two of the single steel beams 1 to obtain the roof beam frame assembly 6.

[0044] It should be noted that, as those skilled in the art can understand, the present invention does not impose too many restrictions on the specific length of the single steel beam 1 and the spacing between the two single steel beams 1. The specific length of the single steel beam 1 can be set according to the span between the installed columns to be connected, and the spacing between the two single steel beams 1 can be set according to the spacing between the installed columns to be connected.

[0045] For further information, please see Figure 5 ,like Figure 5 As shown, a plurality of the horizontal support members 3 are laid in parallel and evenly between the two single steel beams 1. Thus, by laying the horizontal support members 3 in parallel and evenly, the stability of the roof beam frame assembly 6 can be improved.

[0046] Preferably, a plurality of the purlins 4 are cross-arranged between two of the single steel beams 1. Thus, by cross-arranging the purlins 4, the stability of the roof beam frame assembly 6 can be further improved.

[0047] For example, see Figure 6 , Figure 6 for Figure 5 The structural diagram of the roof beam frame unit when it is hoisted is shown in Figure 1. Figure 6 It can be seen that each of the roof beam frame units may include a roof beam frame assembly 6 .

[0048] In order to better understand the present invention, please refer to Figure 6 , the following combination Figure 6 The process of hoisting the roof beam frame unit to be installed is exemplified.

[0049] First, install the column 2 to be connected; then, assemble the roof beam frame unit to be installed on the ground next to it; then, use two cranes to lift the roof beam frame unit to be installed to the top of the column 2 to be connected, align the roof beam frame unit to be installed with the column 2 to be connected, and adjust and correct the verticality; finally, fix the roof beam frame unit to be installed with the column 2 to be connected.

[0050] It should be noted that the above is only an exemplary description and is not a limitation of the present invention. For example, in some other embodiments, each of the roof beam frame units may also include a plurality of the roof beam frame assemblies 6; when the roof beam frame unit includes a plurality of the roof beam frame assemblies 6, the hoisting method further includes assembling the roof beam frame unit in the following manner:

[0051] S111: Arrange all the roof beam frame assemblies 6 in sequence along their length extension direction and keep them in a collinear manner;

[0052] S112: Fix the adjacent roof beam frame assemblies 6 by bolt connection or welding to obtain the roof beam frame unit.

[0053] It should be noted that the present invention does not impose too many restrictions on the specific number of the roof beam frame components 6 in the roof beam frame unit, and the specific number of the roof beam frame components 6 can be determined according to the span of the constructed building.

[0054] For example, see Figure 7 and Figure 8 , Figure 7 Another specific example diagram of the roof beam frame unit provided in this embodiment; Figure 8 for Figure 7 The structural diagram of the roof beam frame unit when it is hoisted is shown in Figure 1. Figure 7 and Figure 8 It can be seen that when the span of the constructed building is large, the span between the two groups of columns to be connected is also large, and each of the roof beam frame units may include two roof beam frame assemblies 6 .

[0055] In order to better understand the present invention, please refer to Figure 7 and Figure 8 , the following combination Figure 7 and Figure 8 The hoisting process of the roof beam frame unit having two roof beam frame assemblies 6 is exemplarily described.

[0056] First, the two roof beam frame assemblies 6 are arranged in sequence along their length extension direction and kept in line, and then the two roof beam frame assemblies 6 are welded to assemble into a roof beam frame unit. Then, two cranes are used to lift the roof beam frame unit to the top of the current column 2 to be connected, so that the roof beam frame unit is aligned with the current column 2 to be connected, and the verticality is adjusted and corrected. Finally, the roof beam frame unit is fixed to the current column 2 to be connected.

[0057] Preferably, all the roof beam frame units are assembled on an assembly platform (not shown in the figure). Thus, by assembling the roof beam frame units on the assembly platform, the assembly accuracy of the roof beam frame units can be improved, thereby ensuring that each assembled roof beam frame unit meets the design requirements and safety standards.

[0058] Furthermore, an adjustable support (not shown) is provided at the bottom of the assembly platform. Thus, the height of the assembly platform can be fine-tuned through the adjustable support to ensure that the assembly platform remains absolutely level, thereby laying a good foundation for improving the assembly accuracy of the roof beam frame unit.

[0059] Preferably, the hoisting method further comprises: before hoisting the roof beam frame unit to be installed, inspecting the size, verticality, flatness and appearance quality of the assembled roof beam frame unit to be installed. In this way, not only the quality and safety of the roof beam frame unit can be ensured, but also the construction efficiency and management level can be significantly improved.

[0060] Further, in step S220, the fixing of the current to-be-installed roof beam frame unit to the current to-be-connected column 2 includes: fine-tuning the current to-be-installed roof beam frame unit, and fixing the current to-be-installed roof beam frame unit by bolt connection or welding. Thus, by fine-tuning the current to-be-installed roof beam frame unit, the docking accuracy between the current to-be-installed roof beam frame unit and the current to-be-connected column 2 can be further improved.

[0061] For example, in a certain construction project, it was originally planned to use two 50-ton cranes to lift from south to north at the same time. The installation order was to pre-assemble a single steel beam 1 first, then lift the single steel beam 1, and finally perform finishing work. There are a total of 15 axis lines. The original plan required two 50-ton cranes to lift 45 times (sections) of roof beams for a single beam, and then the construction personnel would fill in all the supporting parts to form the entire unit. However, using the modular lifting method for steel structures provided by the present invention, only two 50-ton cranes are needed to lift the roof beam frame unit 21 times, and all supporting parts are completed simultaneously with the lifting operation. It not only significantly improves work efficiency, but also reduces the risk factor, reduces the consumption of auxiliary materials such as correction and cable wind rope 5, thereby greatly shortening the construction period and saving manpower and material costs.

[0062] Embodiment 2

[0063] This embodiment provides a modular hoisting system for steel structures. The hoisting system includes an assembly module and a hoisting and installation module; the assembly module is configured to assemble steel structure components into a plurality of roof beam frame units; the hoisting and installation module is configured to perform the following operations for each of the roof beam frame units until all the roof beam frame units are installed: hoist the current roof beam frame unit to be installed to the top of the installed current column 2 to be connected, align the current roof beam frame unit to be installed with the current column 2 to be connected, and adjust and correct the verticality; fix the current roof beam frame unit to be installed with the current column 2 to be connected.

[0064] Since the modular lifting system for steel structures provided in this embodiment and the modular lifting method for steel structures described in any of the above-mentioned embodiments belong to the same inventive concept, the modular lifting system for steel structures provided in this embodiment has at least all the advantages of the modular lifting method for steel structures provided in the above-mentioned embodiments. For the advantages of the modular lifting system for steel structures provided in this embodiment, please refer to the relevant description of the beneficial effects of the modular lifting method for steel structures provided in the above-mentioned embodiments, which will not be repeated here.

[0065] In summary, the modular hoisting method and system for steel structures provided by the present invention have the following advantages: the modular hoisting method for steel structures provided by the present invention comprises: assembling steel structure components into a plurality of roof beam frame units; for each of the roof beam frame units, performing the following operations until all of the roof beam frame units are installed: hoisting the current roof beam frame unit to be installed to the top of the installed current column to be connected, aligning the current roof beam frame unit to be installed with the current column to be connected, and adjusting and correcting the verticality; fixing the current roof beam frame unit to be installed with the current column to be connected. Therefore, the modular hoisting method for steel structures provided by the present invention, by assembling steel structure components into roof beam frame units and then hoisting the roof beam frame units, can not only reduce the pulling of cables and improve the cleanliness of the construction site, but also improve work efficiency and stability during the steel structure hoisting process and reduce the risk of high-altitude construction. Moreover, compared with the existing lifting method (lifting two single steel beams and horizontal supports separately, the two single steel beams and horizontal supports need to be calibrated, and the purlins need to be installed after the two single steel beams and horizontal supports are lifted), the modular lifting method of steel structure provided by the present invention pre-assembles the horizontal supports, purlins and two single steel beams into a roof beam frame unit, so that the three can be lifted at the same time. Only the verticality of the roof beam frame unit needs to be corrected, which can reduce the correction deviation and thus improve the lifting accuracy of the steel structure.

[0066] Since the modular lifting system for steel structures provided by the present invention and the modular lifting method for steel structures provided by the present invention belong to the same inventive concept, the modular lifting system for steel structures provided by the present invention at least has all the advantages of the modular lifting method for steel structures provided by the present invention. For the advantages of the modular lifting system for steel structures provided by the present invention, please refer to the relevant description of the beneficial effects of the modular lifting method for steel structures provided by the present invention, which will not be repeated here.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A modular steel structure hoisting method, characterized in that: The hoisting method comprises: Assemble the steel structure components into several roof beam frame units; For each of the roof beam frame units, perform the following operations until all the roof beam frame units are installed: Lifting the roof beam frame unit to be installed to the top of the installed column to be connected, aligning the roof beam frame unit to be installed with the column to be connected, and adjusting and correcting the verticality; The roof beam frame unit to be installed is fixed to the column to be connected.

2. The modular steel structure hoisting method according to claim 1, characterized in that: The steel structure member includes a steel beam segment, a horizontal support member and a purlin; the roof beam frame unit includes at least one roof beam frame assembly; the hoisting method further includes assembling each of the roof beam frame assemblies in the following manner: Assembling the steel beam sections described in several sections into two complete single steel beams; A plurality of the horizontal support members and a plurality of the purlins are fixedly connected between two of the single steel beams to obtain the roof beam frame assembly.

3. The modular steel structure hoisting method according to claim 2, characterized in that: The plurality of horizontal support members are laid in parallel and evenly between the two single steel beams.

4. The modular steel structure hoisting method according to claim 2, characterized in that: A plurality of purlins are cross-arranged between two of the single steel beams.

5. The modular steel structure hoisting method according to claim 2, characterized in that: When the roof beam frame unit includes a plurality of the roof beam frame assemblies, the hoisting method further includes assembling the roof beam frame unit in the following manner: Arrange all the roof beam frame components in sequence along their length extension direction and keep them in collinearity; The adjacent roof beam frame assemblies are fixed by bolt connection or welding to obtain the roof beam frame unit.

6. The modular steel structure hoisting method according to claim 1, characterized in that: All the roof beam frame units are assembled on the assembly platform.

7. The modular steel structure hoisting method according to claim 6, characterized in that: An adjustable support is provided at the bottom of the assembly platform.

8. The modular steel structure hoisting method according to claim 1, characterized in that: The hoisting method further comprises: Before hoisting the roof beam frame unit to be installed, the assembled roof beam frame unit to be installed is inspected for size, verticality, flatness and appearance quality.

9. The modular steel structure hoisting method according to claim 1, characterized in that: The step of fixing the roof beam frame unit to be installed and the column to be connected comprises: Fine-tune the roof beam frame unit to be installed currently, and fix the roof beam frame unit to be installed currently by bolt connection or welding.

10. A modular steel structure hoisting system, characterized in that: The hoisting system includes an assembly module and a hoisting and installation module; The assembly module is configured to assemble the steel structure components into a plurality of roof beam frame units; The hoisting and installation module is configured to perform the following operations for each of the roof beam frame units until all the roof beam frame units are installed: hoist the roof beam frame unit to be installed to the top of the installed column to be connected, align the roof beam frame unit to be installed with the column to be connected, and adjust and correct the verticality; fix the roof beam frame unit to be installed with the column to be connected.

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