Buckled type steel pipe scaffold formwork support with large height-width ratio

A scaffolding and steel pipe technology, which is applied to formwork/formwork/work frame, on-site preparation of building components, construction, etc., can solve the critical load limitation, material waste cost, safety hazards, etc. question

Active Publication Date: 2009-10-21
杭州二建建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the fastener-type steel pipe scaffold formwork supports used in construction sites do not have a series of erection structure dimensions, no accurate design regulations, no restrictions on the critical load of the fastener-type steel pipe scaffold formwork supports, and no

Method used

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  • Buckled type steel pipe scaffold formwork support with large height-width ratio
  • Buckled type steel pipe scaffold formwork support with large height-width ratio
  • Buckled type steel pipe scaffold formwork support with large height-width ratio

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Embodiment Construction

[0016] A fastener-type steel pipe scaffold formwork support, including a vertical steel pipe 4, a longitudinal horizontal rod 3 and a horizontal horizontal rod 5; the nodes are connected by malleable cast iron fasteners 6, and the upper part of the bracket is supported by an adjustable bracket 1 Φ48×3.5 double steel pipes 2 As the main beam of the support formwork, the bottom of the adjustable bracket 1 is inserted into the steel pipe 4 of the support vertical rod and fixed. The bracket has 5 spans in the vertical direction and 5 spans in the horizontal direction, loaded within the range of 5 spans × 5 spans, and there is no span outside the loading area; the height-to-width ratio of the bracket = 8.15÷(5×0.4) = 4.07; the sweeping rod is the lower cross bar of the bracket, D is the height of the sweeping rod.

[0017] The distance from the upper surface of the adjustable bracket to the bottom surface of the steel pipe of the vertical pole, that is, the erection height C is 8.1...

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Abstract

The invention relates to a buckled type steel pipe scaffold formwork support, wherein five spans are available longitudinally and also horizontally and loading is conducted within the range of 5 spans multiplied by 5 spans; no additional span exists outside a loading area; the height-width ratio of the formwork support is 4.07 while the height of the formwork support is 8.15m; and the pace of a vertical upright is 0.62m and the longitudinal spacing of the vertical upright is 0.4m while the horizontal spacing thereof is 0.4m. Steel pipes with a diameter of 48 multiplied by 3.5 are used for setting up the formwork support and joints are connected with a fastener respectively. The upper part of the formwork support supports the double steel pipes with a diameter of 48 multiplied by 3.5 by an adjustable bracket to be used as main beams for supporting formworks. The bottom of the adjustable bracket is inserted into the vertical upright of the formwork support for fixing and the distance from the upper surface of the adjustable bracket to the upper surface of the topmost transverse pipe of the support is 0.5m and the section of the adjustable bracket, extending out of the vertical upright, is 0.3m and adjusted within 0.3m. The buckled type steel pipe scaffold formwork support has safe and stable structure and convenient assembly and disassembly.

Description

technical field [0001] The invention relates to a formwork support for a construction site, in particular to a fastener type steel pipe scaffold formwork support. Background technique [0002] At present, the fastener-type steel pipe scaffold formwork supports used in construction sites do not have a series of erection structure dimensions, no accurate design regulations, no restrictions on the critical load of the fastener-type steel pipe scaffold formwork supports, and no one-to-one correspondence between the series of formwork support erection structures. critical load requirements. On-site erection based on experience, on the one hand, causes waste of materials and increases cost, on the other hand, causes potential safety hazards, and some even cause major safety accidents. Contents of the invention [0003] The object of the present invention is to provide a fastener-type steel pipe scaffold formwork support with reasonable structural size, and provide the correspon...

Claims

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Application Information

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IPC IPC(8): E04G11/48E04G11/50
Inventor 刘群
Owner 杭州二建建设集团有限公司
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