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Anti-floating-free combined core mold for hollow floor slab

A technology of hollow floor slabs and mandrels, applied in the field of floor slabs, can solve the problems of building formwork damage, affecting service life, and high labor intensity, and achieve the effects of reducing anti-floating costs, light weight, and reducing pouring costs

Inactive Publication Date: 2022-02-15
阳文皇 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing anti-floating measures have technical problems such as high cost, high labor intensity, and damage to the building formwork, which affects its service life.

Method used

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  • Anti-floating-free combined core mold for hollow floor slab
  • Anti-floating-free combined core mold for hollow floor slab
  • Anti-floating-free combined core mold for hollow floor slab

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Embodiment Construction

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more fully and in detail below in conjunction with the accompanying drawings and preferred embodiments, but the protection scope of the present invention is not limited to the following specific embodiments.

[0021] like figure 1 As shown, an anti-floating composite mandrel for a hollow floor slab in this embodiment includes a mandrel body 1 , a grid plate 2 , a lateral support bar 7 , and a vertical support bar 3 . The upper and lower sides of the core mold body 1 are open, and the surrounding walls are densely plate-shaped; the grid plate 2 covers the upper and lower openings of the core mold body 1 and fixes the nails with the core mold body through the grid plate. 1 is fixedly connected, the grid plate 2 is provided with regular or irregular mesh holes, the size of the mesh holes is smaller than the diameter of the fine sand used for building concrete, and the...

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Abstract

The invention discloses an anti-floating-free combined core mold for a hollow floor slab. The anti-floating-free combined core mold comprises a core mold body, a grid plate and transverse supporting rods, wherein an upper face and a lower face of the core mold body are open, the grid plate covers an upper face opening and a lower face opening of the core mold body and is fixedly connected with the core mold body, meshes in regular or irregular shapes are formed in the grid plate, the size of the meshes is smaller than the diameter of fine sand for building concrete, and the transverse supporting rods stretch across the opening of the core mold body and are used for supporting the upper grid plate and the lower grid plate. The anti-floating-free plastic steel combined core mold for the hollow floor slab is light in weight and convenient to combine, air generated during concrete pouring can be effectively exhausted through the meshes in the grid plate, pressure intensity inside and outside the core mold is equal, an air bag cannot be formed in the core mold, therefore, the core mold cannot float upwards, and anti-floating cost of the core mold is reduced.

Description

technical field [0001] The invention relates to the technical field of floor slabs, in particular to an anti-floating composite mandrel for a hollow floor slab, which belongs to a built-in hole-forming mold for a hollow floor slab. Background technique [0002] The higher the floor, the greater the load-bearing capacity of the building, and the more unfavorable it is to the safety of the building. Therefore, it is particularly important to choose building materials with lighter weight and convenient construction, especially the choice of floor materials. The advantages of the floor slab are light weight, large span, good sound insulation and noise prevention effect, and can improve the utilization rate of building space. It also has the advantages of shortening the construction period and saving costs, so it has a great market prospect. [0003] When concrete is poured on the hollow floor slab, the vibration of the concrete will generate buoyancy on the mandrel, and the mand...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/36E04G15/06
CPCE04B5/36E04G15/06
Inventor 阳文皇毕育鸣
Owner 阳文皇
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