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Fabricated steel structure spiral stair

A technology for rotating stairs and steel structures, applied in stairs, stepped structures, building structures, etc., can solve the problems of complex procedures and long construction periods, and achieve the effects of good structural strength, reduced construction difficulty, and convenient disassembly and assembly.

Pending Publication Date: 2021-08-31
GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a spiral staircase with an assembled steel structure to solve the technical problems of complex procedures and long construction period in the construction of traditional spiral staircases

Method used

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  • Fabricated steel structure spiral stair
  • Fabricated steel structure spiral stair

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] see figure 1 , the figure shows a prefabricated steel structure spiral staircase provided by Embodiment 1 of the present invention, which includes a plurality of step units arranged and connected sequentially from top to bottom, a plurality of step units rotate and distribute, and the step units The unit includes: a supporting assembly 1, which includes a steel grid 11 and a connecting frame 12 arranged on the outer periphery of the steel grid 11; a connecting assembly 2, which includes a first connecting plate 21 and a second connecting plate 22, the first The connecting plate 21 and the second connecting plate 22 are respectively arranged on both sides of the support assembly 1 along the vertical direction, and the height of the first connecting plate 21 is greater than that of the second connecting plate 22, and the second connecting plate 22 is The connecting plate 22 is located inside the support assembly 1; the decorative panel 3 includes a plane plate 31 and a ve...

Embodiment 2

[0043] see Figure 1-2 , the figure shows a prefabricated steel structure spiral staircase provided by Embodiment 2 of the present invention. On the basis of the above-mentioned embodiments, this embodiment further makes the following technical solutions as improvements: steel grating 11 and the top and bottom of the connecting frame 12 are provided with a reinforcement plate 4, the thickness of the reinforcing plate 4 is 5mm; the connecting frame 12 is a connecting pipe, and the connecting pipe is a hot-dip galvanized square pipe; It includes a plurality of vertically connected steel pipes 111, and the specification of the steel pipes 111 is 20mm. Through the arrangement of the above structure, the strength of the steel grid 11 itself can be improved, and the connection strength between the steel grid 11 and the connecting frame 12 can be improved at the same time.

Embodiment 3

[0045] see figure 1 , the figure shows a prefabricated steel structure spiral staircase provided by Embodiment 3 of the present invention. On the basis of the above-mentioned embodiments, this embodiment further makes the following technical solutions as improvements: The step unit also includes a "T"-shaped fixed plate 5; the fixed plate 5 includes a horizontal plate 51 and a vertical plate 52, the horizontal plate 51 is located on the upper surface of the support assembly 1, and the vertical plate 52 is located on The inner side of the support assembly 1, and the horizontal plate 51 and the vertical plate 52 are connected to the building base 6; the horizontal plate 51 and the vertical plate 52 are connected to the first fastener 53 The building bases 6 are connected, and the first fastener 53 is a chemical bolt; the thickness of the horizontal plate 51 and the vertical plate 52 is 15 mm. Through the setting of the above-mentioned structure and the setting of the fixing pla...

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Abstract

The invention provides a fabricated steel structure spiral stair. The fabricated steel structure spiral stair comprises a plurality of step units which are sequentially arranged from top to bottom and connected, the plurality of step units are rotationally distributed, and each step unit comprises a supporting assembly, a connecting assembly and a veneer; each supporting assembly comprises a steel grating and a connecting frame arranged on the periphery of the steel grating; each connecting assembly comprises a first connecting plate and a second connecting plate, the first connecting plates and the second connecting plates are arranged on the two sides of the supporting assemblies in the vertical direction correspondingly, the height of the first connecting plates is larger than that of the second connecting plates, and the second connecting plates are located on the inner sides of the supporting assemblies; each veneer comprises a surface plate and a vertical plate, the surface plates and the vertical plates are arranged on the upper surfaces and the side vertical faces of the supporting assemblies correspondingly, and the vertical plates are located below the surface plates; and the every two adjacent supporting assemblies are connected through the first connecting plates and the second connecting plates in the connecting assemblies. Compared with the prior art, the fabricated steel structure spiral stair has the following advantages that only factory prefabrication is needed, on-site installation is convenient and fast, the construction efficiency is high, and the installation quality is good.

Description

technical field [0001] The invention relates to a spiral staircase, in particular to a spiral staircase with an assembled steel structure. Background technique [0002] Prefabricated decoration is a new form of decoration construction in recent years. As the name implies, prefabricated decoration is to complete the production of various parts and components required for decoration in the factory, and then transport them to the decoration site for assembly and installation, eliminating the need for traditional decoration on-site measurement and cutting of various parts and components. The construction is simpler and more convenient, which can greatly improve the construction efficiency of the decoration site, and the construction site is more tidy and beautiful, and will not produce too much decoration material waste. It is a more green and environmentally friendly form of decoration construction. [0003] During the entire construction process, the construction of the stair...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F11/02E04F11/032E04F11/104E04F11/112
CPCE04F11/02E04F11/032E04F11/104E04F11/112E04F2011/0209
Inventor 周克标俞旭光王兵丁波海胡鹏贾志泉徐金虎李广王文武郑强陆田林
Owner GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD
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