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Retractable cast concrete box girder inner mold easy to disassemble and assemble

A concrete box girder, shrinking technology, which is applied in ceramic molding machines, ceramic molding cores, mold fixing devices, etc., can solve the problems of difficult disassembly and assembly of inner molds, and achieve beautiful molding effects, less seams, and simple construction difficulties. Effect

Active Publication Date: 2021-11-16
怀化市众建机械钢模制造有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a kind of easy-to-disassemble contraction pouring concrete box girder inner formwork, to solve the inner formwork of the concrete box girder pouring process. Difficult technical issues

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  • Retractable cast concrete box girder inner mold easy to disassemble and assemble
  • Retractable cast concrete box girder inner mold easy to disassemble and assemble

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0028] see Figure 1-Figure 2 , the embodiment of t...

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Abstract

The invention discloses a retractable cast concrete box girder inner mold easy to disassemble and assemble. The retractable cast concrete box girder inner mold easy to disassemble and assemble comprises an upper mold and a lower mold. The upper mold comprises a first upper mold and a second upper mold, and is provided with a first upper mold top surface and a first upper mold side surface. The second upper mold is provided with a second upper mold top surface and a second upper mold side surface. The lower mold comprises a first lower mold and a second lower mold. The first lower mold is provided with a first lower mold bottom surface and a first lower mold side surface, and the upper end of the first lower mold side surface is rotationally connected with the lower end of the first upper mold side surface. The second lower mold is provided with a second lower mold bottom surface and a second lower mold side surface, and the upper end of the second lower mold side surface is rotationally connected with the lower end of the second upper mold side surface. Jacking mechanisms and bendable supporting rods are arranged between the upper mold and the lower mold. After the supporting rods are bent, retraction demolding of the upper mold and the lower mold is achieved through traction ropes. The technical purpose of the retractable cast concrete box girder inner mold easy to disassemble and assemble is to solve the technical problem that the inner mold is difficult to disassemble and assemble in the pouring process of a concrete box girder.

Description

technical field [0001] The invention relates to the technical field of building bridge construction, in particular to an easy-to-disassemble shrinkable pouring concrete box girder inner mold. Background technique [0002] Box girder is a kind of beam in bridge engineering. It is hollow inside and has flanges on both sides of the upper part, which is similar to a box structure, hence the name. The box girder of reinforced concrete structure is divided into prefabricated box girder and cast-in-place box girder. The prefabricated box girder is a box girder prefabricated on an independent site combined with a bridge erecting machine, which can be erected after the completion of the lower part of the project, which can speed up the progress of the project and save the construction period; Cast box girders are mostly used for large continuous bridges. [0003] At present, when prefabricating box girders in China, most of the internal molds are connected by block formwork through ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B7/30B28B7/00
CPCB28B7/30B28B7/0002B28B7/0014
Inventor 秦伟
Owner 怀化市众建机械钢模制造有限公司
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