Hanging method of mobile safety net for roof installation of large-span reticulated shell structure
A safety net, large-span technology, applied in roofs, building components, building structures, etc., can solve problems such as large safety hazards, long construction periods, large labor and materials, etc., to reduce engineering construction costs, adjust safety and reliability, The effect of improving installation efficiency
Active Publication Date: 2018-12-14
MCC5 GROUP SHANGHAI CORPORATION LIMITED
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AI Technical Summary
Problems solved by technology
However, these traditional safety protection methods for large-span structures require a large amount of labor and materials, and require a longer construction period, resulting in higher costs
[0004] There are great safety hazards in the installation process of large-span grid structure roofs. In order to avoid high-fall accidents, it is generally necessary to hang safety nets in the work area, especially for roofs with high roof heights and large spans. The installation process of the net is labor-intensive and time-consuming, and the efficiency of roof construction is affected because the safety net cannot be moved after being fully paved.
[0005] Therefore there are above-mentioned inconveniences and problems in the known large-span reticulated shell structure roof installation project
Method used
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Embodiment 1
[0031] The mobile safety net hanging method for installation of large-span reticulated shell structure roof of the present invention, the reticulated shell length is 120m, the reticulated shell span is 112m, the arch height is 47m, and the roof enclosure adopts color steel plate, comprising the following steps:
[0032] a. Making steel ladder 6
[0033] see now figure 1 , figure 1 It is a structural schematic diagram of a steel ladder according to an embodiment of the present invention. As shown in the figure, the steel ladder 6 has a length of 8300mm, and a galvanized steel pipe with a diameter of 25mm is used to make both side rails and the foot bars between the rails on both sides, and one end of the steel ladder is provided with a hook elbow.
[0034] b. Set the fixed steel cable 3 and the traction steel cable 4
[0035] figure 2 It is a schematic diagram of hanging the safety net in the reticulated shell structure of the embodiment of the present invention.
[0036]...
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The invention relates to a mobile safety set hanging method for large-span net shell structure roof installation. The length of a net shell is 120 m, the span of the net shell is 112 m, the arch height is 47 m, and colorful steel plates are adopted for roof enclosure. The method is characterized by comprising the following steps: a, making a steel ladder (6); b, arranging fixing wire ropes (3) and pulling wire ropes (4); c, making and erecting a safety net (5); d, arranging a plurality of windlasses (7) on the ground. The mobile safety set hanging method for large-span net shell structure roof installation has the advantages that a mobile safety set device is simple in the structure, convenient to make, fast to lay, flexible to use, convenient to adjust, safe and reliable, the efficiency of large-span net shell structure roof installation is improved, and the engineering construction cost is reduced.
Description
technical field [0001] The invention relates to the technical field of building construction, in particular to a method for hanging a mobile safety net for the installation of a large-span reticulated shell structure roof used in the installation process of the roof system of industrial and civil construction factories. Background technique [0002] With the continuous increase of national energy conservation and environmental protection, open-air raw material storage yards in metallurgy, coal, and electric power industries will gradually be closed in the form of grid greenhouses to reduce raw material loss and dust. Most of the raw material storage yards are large-span and long-length, and there are large-scale reclaiming and other equipment inside, so the grid greenhouse needs to be built high and with a large span. This makes the construction of roof tiles more difficult and more dangerous. During the enclosure construction of the reticulated shell roof tiles in the gree...
Claims
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IPC IPC(8): E04G21/14E04B7/10
Inventor 徐建平李永慧
Owner MCC5 GROUP SHANGHAI CORPORATION LIMITED