阅读说明：本技术 高空大跨度拉索网操作平台及施工方法 (High-altitude large-span dragline net operating platform and construction method ) 是由 张军 陈耀钢 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种高空大跨度拉索网操作平台,包括主钢索、次钢索,次钢索通过U型夹固定在主钢索上,主钢索与次钢索之间两两垂直交叉、主钢索和次钢索的端部均固定在镀锌方钢立柱和混凝土结构固定端上,镀锌方钢立柱周向设置镀锌角钢。镀锌方钢立柱绕采光井周向设置,镀锌方钢立柱顶部进行隔离保护。施工方法包括以下步骤：安装外围周圈钢索；安装镀锌方钢立柱,并设置斜向支撑；安装主钢索；安装次钢索；主钢索、次钢索交叉部位固定；安装吊点；大眼网铺设固定；脚手板铺设；施工部位安装辅助安全钢索。本发明的拉索网平台及施工方法,实现了对高空大跨度采光顶的施工操作平台的高效搭建,同时所需的搭建成本较低、对楼板设计荷载无特殊的要求。(The invention discloses an overhead large-span inhaul cable net operating platform which comprises a main steel cable and a secondary steel cable, wherein the secondary steel cable is fixed on the main steel cable through a U-shaped clamp, the main steel cable and the secondary steel cable are vertically crossed in pairs, the end parts of the main steel cable and the secondary steel cable are fixed on a galvanized square steel upright post and a concrete structure fixing end, and galvanized angle steel is arranged on the periphery of the galvanized square steel upright post. The galvanized square steel stand columns are arranged around the circumference of the lighting well, and the tops of the galvanized square steel stand columns are isolated and protected. The construction method comprises the following steps: installing a peripheral circumference steel cable; installing a galvanized square steel upright post and arranging an oblique support; installing a main steel cable; installing a secondary steel cable; the crossed parts of the main steel cable and the secondary steel cable are fixed; installing a hoisting point; laying and fixing a large mesh net; paving a scaffold board; an auxiliary safety steel cable is installed at the construction position. The inhaul cable net platform and the construction method realize the high-efficiency construction of the construction operation platform of the high-altitude large-span daylighting roof, and meanwhile, the required construction cost is low, and no special requirement is imposed on the design load of the floor slab.)

1. High altitude large-span cable net operation platform, its characterized in that includes main cable wire, inferior cable wire passes through the U type clamp to be fixed on the main cable wire, main cable wire with two liang of vertically crossing between the inferior cable wire main cable wire with the tip of inferior cable wire all is fixed on zinc-plated square steel stand and concrete structure fixed end, zinc-plated square steel stand circumference sets up zinc-plated angle steel.

2. The high-altitude large-span inhaul cable net operating platform according to claim 1, wherein the galvanized square steel columns are arranged circumferentially around a lighting well, and the tops of the galvanized square steel columns are isolated and protected.

3. The high-altitude large-span dragline net operating platform as claimed in claim 1, wherein a hanging point is arranged at the intersection position of the main steel cable and the secondary steel cable, and the upper end of the hanging point is fixed on an upper light production well main body steel frame.

4. The high-altitude large-span dragline net operating platform as claimed in claim 3, wherein the main steel cable and the secondary steel cable are arranged at intervals of 5.78m ²The crossing positions are provided with hanging points, and the distance between every two 1200mm flat nets is twice as long as the distance between every two adjacent flat nets.

5. The high-altitude large-span dragline net operating platform as claimed in claim 1, wherein a safety net is laid on the operating steel cable layer, scaffold boards are laid at intervals, the scaffold boards are laid below and in the middle of the outer side of the I-shaped steel beam, and are fixed on the steel cable by iron wires; and the periphery of the operation steel cable layer is provided with a horizontal soft protection rope by adopting a steel wire rope.

6. The high-altitude large-span inhaul cable net operating platform as claimed in any one of claims 1 to 5, wherein the galvanized angle steel is connected with a floor through an expansion bolt, and the floor is welded and fixed with a rear embedded plate and a galvanized steel plate in sequence.

7. The high-altitude large-span inhaul cable net operating platform as claimed in any one of claims 1 to 5, wherein the galvanized square steel upright is connected with a floor through a penetrating bolt, and the floor is sequentially welded and fixed with a rear embedded plate and a galvanized steel plate.

8. The construction method of the high-altitude large-span dragline net operating platform is characterized by comprising the following steps of:

installing a peripheral circumference steel cable;

installing a galvanized square steel upright post and arranging an oblique support;

installing a main steel cable;

installing a secondary steel cable;

the crossed parts of the main steel cable and the secondary steel cable are fixed;

installing a hoisting point;

laying and fixing a large mesh net;

paving a scaffold board;

an auxiliary safety steel cable is installed at the construction position.

9. The construction method of the high-altitude large-span dragline net operation platform according to claim 8, wherein the oblique supports are galvanized angle steel.

Technical Field

The invention relates to an operation platform for a high-altitude large-span inhaul cable net and a construction method, and belongs to the technical field of building construction methods.

Background

In the high-altitude large-span daylighting roof construction process, the traditional construction method in the prior art adopts the steel pipe floor scaffold to be erected, but the height of the overhead is large, the floor scaffold consumes time and labor, the cost is high, the load is large, and the design load of a floor slab cannot be met. Therefore, by designing a new construction method, the high-altitude large-span daylighting roof dragline net platform can be efficiently erected, and a safe and reliable construction operation platform is provided.

Disclosure of Invention

The invention aims to overcome the defects of time and labor consumption and high cost of building a steel pipe floor scaffold to carry out high-altitude large-span daylighting roof construction in the prior art, and provides a high-altitude large-span dragline net construction platform and a construction method, wherein the technical scheme is as follows:

high altitude large-span cable net operation platform, including main cable wire, inferior cable wire passes through the U type and presss from both sides to be fixed on main cable wire, and two liang of vertically crossing between main cable wire and the inferior cable wire, the tip of main cable wire and inferior cable wire are all fixed on zinc-plated square steel stand and concrete structure fixed end, and zinc-plated angle steel is set up to zinc-plated square steel stand circumference.

Furthermore, the galvanized square steel stand columns are arranged around the circumference of the lighting well, and the tops of the galvanized square steel stand columns are isolated and protected.

Furthermore, a lifting point is arranged at the cross position of the main steel cable and the secondary steel cable, and the upper end of the lifting point is fixed on the main steel frame of the upper light producing well.

The construction method of the high-altitude large-span dragline net operating platform comprises the following steps:

installing a peripheral circumference steel cable;

installing a galvanized square steel upright post and arranging an oblique support;

installing a main steel cable;

installing a secondary steel cable;

the crossed parts of the main steel cable and the secondary steel cable are fixed;

installing a hoisting point;

laying and fixing a large mesh net;

paving a scaffold board;

an auxiliary safety steel cable is installed at the construction position.

Compared with the prior art, the invention has the following beneficial effects:

the high-altitude large-span inhaul cable net operating platform and the construction method realize high-efficiency construction of the high-altitude large-span daylighting roof operating platform, and meanwhile, the required construction cost is low, and no special requirement is imposed on the design load of a floor slab.

Drawings

FIG. 1 is a schematic view of the connection of the primary and secondary cables of the present invention;

FIG. 2 is an elevation view of a steel wire rope fixing node at the top of a steel column;

FIG. 3 is a top view of a steel wire rope fixing node at the top of a steel upright post;

FIG. 4 is a fixed node of the bottom of the steel column and the floor;

FIG. 5 is a fixed joint between steel columns;

FIG. 6 is a steel wire rope floor fixed node of the present invention;

FIG. 7 is a mounting node for a cable net suspension point;

FIG. 8 illustrates a steel cable protective joint at a structural steel column;

FIG. 9 is a schematic view of the scaffold board laying position;

FIG. 10 is a cross-sectional view of a tension cable net;

FIG. 11 is a flat layout view of a dragline net;

FIG. 12 is a pictorial representation of an embodiment of the present invention;

in the figure: 1-main steel cable, 2-secondary steel cable, 3-U-shaped clamp, 4-isolation protection, 5-galvanized square steel column, 6-galvanized angle steel, 7-sealing plate, 8-penetrating bolt, 9-gasket, 10-expansion bolt, 11-hose, 12-rope clip, 13-hoisting point, 14-large mesh, 15-scaffold plate, 16-anchoring steel bar, 17-protective steel cable, 18-galvanized steel plate, 19-first embedded part, 20-second embedded part, 21-circumferential steel cable and 22-pull-down steel cable.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.