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Press-bending type adjustable sheet steel form

A technology of steel formwork and formwork, applied in the direction of molds, etc., can solve the problems of difficult adjustment, small ratio of formwork bearing capacity to self-weight, and many spiral pairs, and achieve the effect of convenient construction, easy forming precision and high forming precision

Inactive Publication Date: 2007-03-07
鲜大桥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the adjustable steel formwork without transverse ribs, the arc is approximated by multi-segment curves plus broken lines. The length of the broken lines is short, and the forming accuracy can meet the requirements of use. However, the existing formwork has many spiral pairs for adjustment, and the adjustment is difficult. , and the ratio of the bearing capacity of the formwork to its own weight is small

Method used

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  • Press-bending type adjustable sheet steel form
  • Press-bending type adjustable sheet steel form
  • Press-bending type adjustable sheet steel form

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the press-bending adjustable steel formwork of the present invention includes a formwork 10 and several transverse ribs 20 and longitudinal ribs 30, each transverse rib 20 and longitudinal rib 30 are staggered and connected with the formwork 10 welding. 1 and 2, the stiffness of the transverse ribs 20 is smaller than that of the longitudinal ribs 30. When a radial force is applied along the transverse section of the formwork 10, the transverse ribs 20 are bent together with the formwork 10 to form an arc. Referring to Fig. 5, the mark F is the radial force applied when bending the formwork, the radial force F acts within the transverse width range of the web of the longitudinal rib 30, and the direction of the force is always perpendicular to the bending line during the bending deformation of the fo...

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Abstract

The invention relates to a bended adjustable steel template, which comprises template (10) and several transverse ribs (20), longitudinal ribs (30), which are alternated and welded with template (10); the rigidity of transverse rib (20) is lower than longitudinal rib (30); when functioning radial force transversely segmented along the template (10), the transverse rib (20) will be bended into arc. The inventive steel template has high accuracy and wide application, which can confirm the quality of concrete structure and reduce cost.

Description

technical field [0001] The invention relates to a formwork for pouring shaped concrete structures, in particular to an arc-shaped continuously adjustable steel formwork. Background technique [0002] At present, the curvature of the known adjustable steel formwork is manually adjusted by a screw pair installed on the formwork. The adjustment principle is to apply a tangential force to the steel formwork to bend and deform the formwork to achieve the purpose of adjusting the curvature of the arc. For the adjustable steel formwork with discontinuous transverse ribs, when the length of the spiral pair is adjusted, the formwork will be bent and deformed at the break of the transverse ribs, and the arc formed is approximated by multi-section broken lines. When the curvature of the arc is small, its forming accuracy can meet the requirements of use, but when the required arc curvature is large, the arc approximated by multi-section broken lines cannot meet the requirements of form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B7/02
Inventor 鲜大桥
Owner 鲜大桥