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Methods for manufacturing and installing steel stair temporary safety guardrail

A technology for safety guardrails and installation methods, which is applied to the treatment of railing posts, stepped structures, and building materials, and can solve the problems of high cost of guardrail materials, complicated structure of stair guardrails, and inconvenient production methods

Inactive Publication Date: 2020-10-30
MCC5 GROUP CORP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this technical solution can freely adjust the height of the pole and the guardrail, and the stair guardrail is easy to disassemble and install, but the stair guardrail has a complicated structure, inconvenient manufacture, and high cost of guardrail materials
[0004] Therefore there is above-mentioned inconvenience and problem in the manufacture mode of known steel stair temporary safety guardrail

Method used

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  • Methods for manufacturing and installing steel stair temporary safety guardrail
  • Methods for manufacturing and installing steel stair temporary safety guardrail

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Embodiment 1

[0029] The method for making and installing the temporary safety guardrail for steel stairs of the present invention comprises the following steps:

[0030] a. Manufacturing method of temporary safety guardrail for steel stairs.

[0031] see now figure 1 and figure 2 , figure 1 It is the structural representation of the steel stair temporary safety guardrail of the embodiment of the present invention, figure 2 for figure 1 Side view of the neutral pole. As shown in the figure, the guardrail includes several bases 1, uprights 4, main cross bars, and auxiliary cross bars. The rod is made of Ø40*2.75mm steel pipe, and the height of the vertical rod is ≥1100mm. Two horizontal connecting rods 5 are welded at intervals up and down on the vertical rod, and a through hole 7 with a diameter of 16mm is drilled on the horizontal connecting rod to facilitate the penetration of the subsequent auxiliary horizontal rod; The horizontal bar adopts Ø60*3 steel pipe as the main horizonta...

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Abstract

The invention discloses methods for manufacturing and installing a steel stair temporary safety guardrail. The methods for manufacturing and installing the steel stair temporary safety guardrail are characterized by comprising a, the method for manufacturing the steel stair temporary safety guardrail, wherein the guardrail comprises a plurality of bases, vertical rods, a main cross rod and an auxiliary cross rod, the bases are provided with a steel plate bottom plate, and b, the method for installing the steel stair temporary safety guardrail, wherein the method comprises the following steps of (1) fixedly welding the multiple bases and steel beams around a stairway at multiple points, (2) directly inserting the vertical rods into steel sleeve pipes of the bases with the same number and intervals as the bases; (3) aligning single-side opening positions of the main cross rod with the vertical rod positions; and (4) penetrating from central holes (16 mm in diameter) of short pipes weldedon the vertical rods by using on-site 14-thread steel bars or 12-thread steel bars. The methods for manufacturing and installing the steel stair temporary safety guardrail have the advantages that the guardrail is simple in structure and convenient to manufacture, the engineering quality is safe and reliable, the overall stability is high, the guardrail can be circularly used and the engineeringcost is reduced.

Description

technical field [0001] The invention relates to a method for manufacturing and installing a guardrail, in particular to a method for manufacturing and installing a temporary safety guardrail for steel stairs. Background technique [0002] Caofeidian Comprehensive Free Trade Zone Innovation and Entrepreneurship Center project, the office building is a steel structure, and the upper and lower passages use steel stairs. During the construction process, in order to ensure the safety of workers during construction, protective railings must be installed on both sides of the steel ladder and around the rest platform. In order to avoid damage during the construction process, the formal stainless steel railings are generally installed after the floor tiles are laid in the later stage of decoration. Therefore, temporary guardrails are specially designed in the early stage of the main body, secondary structure, and decoration. [0003] Chinese patent CN209958800U disclosed a temporary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F11/18E04G21/32
CPCE04F11/1812E04F11/1846E04F2011/1819E04F2011/1821E04F2011/1827E04G21/3223
Inventor 杨旭徐礼金韩光瑞曹树学梁广远汪从
Owner MCC5 GROUP CORP SHANGHAI
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