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Self-balance system for exerting effective prestress on hardware

A metal component and self-balancing technology, applied in the testing of machines/structural components, testing of mechanical components, measuring devices, etc., can solve problems such as inapplicable metal components and difficulty in controlling the magnitude of the applied prestress

Active Publication Date: 2014-01-15
黄山市开发投资集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current prestressing technology, whether it is pre-tensioning or post-tensioning, is mainly aimed at concrete components, and its basic principle is to apply prestress to concrete components by using the bonding force between concrete and prestressed steel bars. Not suitable for metal components, and it is difficult to control the amount of prestress applied
At present, there is no prestressing technology specifically for metal components

Method used

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  • Self-balance system for exerting effective prestress on hardware
  • Self-balance system for exerting effective prestress on hardware

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Embodiment Construction

[0016] Referring to the attached figure, the self-balancing system that applies effective prestress to metal components includes left outer high-strength metal plate 1, left inner high-strength metal plate 2, right outer high-strength metal plate 3, and right inner high-strength metal plate 4 with the same material and size. , a hydraulic jack 5 is sandwiched between the left outer high-strength metal plate 1 and the left inner high-strength metal plate 2, a load cell 6 is sandwiched between the right outer high-strength metal plate 3 and the right inner high-strength metal plate 4, and the left inner high-strength metal plate There is a test metal member 7 sandwiched between the metal plate and the right inner high-strength metal plate, and four corresponding holes are respectively opened on the left outer high-strength metal plate, the left inner high-strength metal plate, the right outer high-strength metal plate, and the right inner high-strength metal plate 8. Four high-st...

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Abstract

The invention discloses a self-balance system for exerting effective prestress on hardware. The system comprises a left outer side high strength metal plate, a left inner side high strength metal plate, a right outer side high strength metal plate and a right inner side high strength metal plate. An oil jack is clamped between the left outer side high strength metal plate and the left inner side high strength metal plate, a force sensor is clamped between the right outer side high strength metal plate and the right inner side high strength metal plate, and the hardware is clamped between the left inner side high strength metal plate and the right inner side high strength metal plate. The prestress can be effectively exerted on the hardware of different types, and the exerted prestress can be conveniently controlled, so that the influence of the prestress on the mechanical property and damage modes of the hardware is researched, and a prestress test of the hardware is effectively simulated.

Description

technical field [0001] The invention relates to the field of civil engineering structure tests, in particular to a self-balancing system for applying effective prestress to metal components. Background technique [0002] As we all know, prestressing technology has been widely used in civil engineering because of its remarkable superiority and easy operation. However, the current prestressing technology, whether it is pre-tensioning or post-tensioning, is mainly aimed at concrete components, and its basic principle is to apply prestress to concrete components by using the bonding force between concrete and prestressed steel bars. It is not suitable for metal components, and it is difficult to control the size of the applied prestress. At present, there is no prestressing technology specifically for metal components. However, in actual engineering structures, especially steel structures, some main stressed members may bear a certain amount of prestress after construction and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
Inventor 冯然
Owner 黄山市开发投资集团有限公司
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