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Test system for testing the shear strength of metal and glass adhesives

A shear strength, test system technology, applied in the direction of using a stable shear force to test material strength, strength characteristics, measuring devices, etc., can solve problems such as unreported, non-pure shear damage, shaking, etc. Injuring the operator, the overall structure is simple, and the positioning structure is stable

Active Publication Date: 2018-08-10
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the flatness of the metal plate surface and glass surface, as well as the uniformity of the adhesive, the glass panel under the tension is prone to unstable positioning, which can easily lead to lateral deviation or even shaking of the glass panel outside the plane. impure shear failure
In addition, when the glass edge cracks at the end of loading, it is easy to cause interface damage at the boundary of the glass panel. At this time, the eccentric effect is more obvious, which will affect the accuracy of the test results when calculating the shear strength.
Therefore, designing a set of simple and feasible shearing test equipment, so that the shearing strength of the bonded connection between glass and metal structures can be measured conveniently and accurately, has become a problem that people are generally concerned about. However, there is no corresponding equipment today. There are no related reports

Method used

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  • Test system for testing the shear strength of metal and glass adhesives
  • Test system for testing the shear strength of metal and glass adhesives
  • Test system for testing the shear strength of metal and glass adhesives

Examples

Experimental program
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Effect test

Embodiment 1

[0033] like Figure 1 ~ Figure 4As shown, the test system for testing the shear strength of metal and glass viscose includes a metal plate 1, a glass panel 3, a splint 4 and a universal testing machine 19, wherein the universal testing machine 19 is provided with an upper clamping system 17 and a lower clamping system. System 18 , the lower clamping system 18 is located directly below the upper clamping system 17 . In this embodiment, the number of metal plates 1 and clamping plates 4 is two, and the two metal plates 1 are all vertically arranged and both are clamped and fixed by the upper clamping system 17 and the lower clamping system 18 respectively. After the system 17 and the lower clamping system 18 clamp and fix the two metal plates 1, the fixed metal plate 1 clamped by the upper clamping system 17 is located directly above the metal plate 1 clamped by the lower clamping system 18. The two metal plates 1 are arranged coaxially, and there is a gap between the end of th...

Embodiment 2

[0036] This embodiment makes the following further limitations on the basis of Embodiment 1: In order to facilitate intelligent control, the test system for testing the shear strength of metal and glass viscose in this embodiment also includes an actuator 20, a main control box 21 and A computer system 22, wherein the actuator 20 is connected to the upper clamping system 17, and the main control box 21 is respectively connected to the actuator 20 and the computer system 22 through two data lines. The system of this embodiment is used to control the applied force and carry out corresponding records when testing the shear strength of metal and glass glue, all carried out in the computer system 22, and the specific process is: the computer system 22 sends a control signal, and by The main control box 21 performs signal conversion, and transmits the loading signal to the actuator 20 connected with the upper clamping system 17 of the universal testing machine 19. During the test, th...

Embodiment 3

[0038] This embodiment makes the following further limitations on the basis of Embodiment 1 or Embodiment 2: the left and right ends of the splint 4 in this embodiment are provided with arc-shaped positioning plates, and the arc-shaped positioning plate at the left end of the splint 4 opens to the left , the arc positioning plate at the right end of the clamping plate 4 opens to the right, the arc positioning plate internal diameter is greater than the height of the clamping plate 4, and the arc positioning plate is provided with a plurality of connecting holes 8 running through its front and rear end faces along its curved surface. The splint connection assembly 5 of this embodiment includes bolts and nuts. The splint connection assembly 5 passes through the connection holes 8 of the two splints 4 through the bolts and sets nuts on the bolts to realize the fixed connection of the two splints 4 . In order to ensure the structural strength of this embodiment, the arc-shaped posi...

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Abstract

The invention discloses a test system for testing the shear strength of metal and glass viscose, including a metal plate, a glass panel, a splint and a universal testing machine. The quantity is two, and the two metal plates are respectively clamped and fixed by the upper clamping system and the lower clamping system, and the upper and lower two metal plates are coaxially arranged with a gap between them. One side of the glass panel is fixedly connected with the upper and lower two metal plates through glue, and the two splints are respectively arranged on the front and rear sides of the glass panel. Glass positioning components on glass panels. When the present invention is applied, it is convenient to fix glass panels of different lengths and thicknesses, and can avoid unreasonable shear stress caused by lateral deviation of glue or brittle fracture of glass panels at the end of loading.

Description

technical field [0001] The invention relates to the field of material mechanical performance testing, in particular to a testing system for testing the shear strength of metal and glass viscose. Background technique [0002] At present, when using a universal testing machine to test the shear strength of the cemented connection between glass and metal structures, it is difficult to fix the test object reasonably because the glass panel has a certain degree of brittleness and has various lengths and thicknesses. Due to the flatness of the metal plate surface and glass surface, as well as the uniformity of the adhesive, the glass panel under the tension is prone to unstable positioning, which can easily lead to lateral deviation or even shaking of the glass panel outside the plane. resulting in non-pure shear failure. In addition, when the glass edge cracks at the end of loading, it is easy to cause interface damage at the boundary of the glass panel. At this time, the eccent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/24G01N3/04
CPCG01N3/04G01N3/24G01N2203/0025G01N2203/04
Inventor 王志宇王清远史亚龙
Owner SICHUAN UNIV
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