Drilling mold plate and method for rectangular pore passage of concrete hollow wallboard

Abstract

The invention discloses a drilling mold plate and method for the rectangular pore passage of a concrete hollow wallboard. The drilling mold plate for the rectangular pore passage comprises four piecesof mold plates, a rotary contracting device arranged the center of the mold plates and a pull rod; the rotary contracting device comprises support rods, connecting rods, a rotating rod and a fixing ring; the support rods are connected with the rotating rod through the connecting rods; the support rods penetrate through the fixing ring and are connected with the middles of the mold plates separately; the pull rod penetrates through the center of the rotating rod and is fixed on the rotating rod; each mold plate comprises a pair of rectangular plates capable of bending inwards; a three-piece hinge is arranged between each pair of rectangular plates; and the pull rod rotates to drive the rotating rod to rotate, the connecting rods are bent to drive the support rods to expand and contract, soas to realize the supporting or contracting of the mold plates. According to the drilling mold plate and method for the rectangular pore passage of the concrete hollow wallboard provided by the invention, the structure is reasonable, the demoulding is realized by adopting the rotary contracting method, and the advantage of high drilling efficiency is achieved; and besides, the drilling mold plateand method are applicable to the manufacture of bare concrete finishing prefabricated concrete hollow wallboards.

Description

technical field [0001] The invention belongs to the technical field of making prefabricated concrete hollow wall panels, and in particular relates to a formwork for making holes in rectangular channels of concrete hollow wall panels and a method for making holes. Background technique [0002] Precast concrete wall panels are widely used in the construction of non-load-bearing walls of houses. In recent years, with the development of my country's construction industrialization, there are more and more engineering applications of precast concrete wall panels. The technology of new precast concrete wall panels is developing rapidly. Precast concrete hollow wall panels are an important new type of precast concrete wall panels. The barrier function develops into a multifunctional wall. [0003] The conventionally used precast concrete hollow wall panels are mainly circular channels, because the circular channels have the following advantages: easy to manufacture; low requiremen...

AI Technical Summary

Problems solved by technology

[0005] However, the above two methods have low construction efficiency and cannot meet the mechanized production requirements of precast concrete hollow wall panels, especially the production of precast concrete hollow wall panels with fair-faced concrete finishes.

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