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Tensioning stress linkage stretching device for beam body machining

A tensioning device and tensioning technology are applied in the field of tensioning and stress-linked tensioning devices for beam body processing, which can solve the problems of inability to determine the size of the stress, affecting the quality of use, and low practicability, so as to improve practicability and stability. , to avoid the effect of breaking the main beam reinforcement or breaking the main reinforcement fixing mechanism

Inactive Publication Date: 2021-01-15
姜伟涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the above-mentioned technical problems, the present invention provides a tension stress linkage stretching device for beam body processing to solve the problem that the main reinforcement of the beam body needs to be stretched during the manufacturing process of the existing assembled prestressed concrete beam. There are many main bars in the body, and it is impossible to stretch the main bars simultaneously, resulting in uneven force between the main bars, which affects the quality of subsequent use, and it is often impossible to determine the stress when stretching the bars, and it is easy to break the bars or The phenomenon of fixing the fixture occurs, and the problem of low practicability

Method used

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  • Tensioning stress linkage stretching device for beam body machining
  • Tensioning stress linkage stretching device for beam body machining
  • Tensioning stress linkage stretching device for beam body machining

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Embodiment

[0035] as attached figure 1 to attach Figure 8 Shown:

[0036]The present invention provides a tension stress linkage stretching device for beam body processing, comprising a beam body template 1, a tension support plate 3, a tension linkage plate 4, a tension fixing plate 5, a tension adjustment rod 6 and a main rib fixing mechanism 7. The beam formwork 1 is made by splicing and fixing building steel molds, and the main beam reinforcement 2 of the beam body is placed inside the beam formwork 1; the beam body stirrups are sleeved outside the main beam reinforcement 2, and the main beam reinforcement 2 pierces the formwork on both sides of the beam body formwork 1; the tension support plate 3 is screwed and fixed on the outside of the formwork on one side of the beam body formwork 1; the tension linkage plate 4 is plugged on the outside of the tension support plate 3; The tight fixing plate 5 is inserted on the outside of the tension supporting plate 3, and the tension fixin...

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Abstract

The invention discloses a tensioning stress linkage stretching device for beam body machining, relates to the technical field of beam body machining, and solves the problems that in the manufacturingprocess of an existing assembled prestress concrete beam, main reinforcements cannot be synchronously stretched at the same time, stress between the main reinforcements is uneven, and the subsequent use quality is affected. The tensioning stress linkage stretching device for beam body machining comprises a tensioning fixing plate. The tensioning fixing plate is inserted into the outer side of a tensioning supporting plate. According to the device, main beam steel bars can be positioned in a positioning through groove of a tensioning fixing plate through a main bar fixing mechanism, and a tensioning adjusting rod is rotated to drive a tensioning linkage plate to move towards the tensioning fixing plate to compress a tensioning ejection spring to tension and apply prestress to the main beamsteel bars; and corresponding prestress can be synchronously applied to all the main beam steel bars at the same time.

Description

technical field [0001] The invention belongs to the technical field of beam body processing, and more specifically relates to a tension stress linkage stretching device for beam body processing. Background technique [0002] At present, prestressed concrete components are widely used in construction projects. Prestressed concrete is to make up for the phenomenon of premature cracks in concrete. Inside, the steel bars are stretched by means of artificial reinforcement, and the tension area of ​​the concrete is pre-stressed by using the retraction force of the steel bars. This stored preloaded pressure, when the member bears the tensile force generated by the external load, first offsets the preloaded pressure in the concrete in the tension area, and then the concrete is stretched as the load increases, which limits the elongation of the concrete. Delaying or not making cracks appear, this is called prestressed concrete. [0003] For example, in the patent with the applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B23/04
CPCB28B23/043
Inventor 姜伟涛
Owner 姜伟涛
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