Shock testing device of large-scale protecting glass

A technology of impact testing and protective glass, applied in the field of experimental testing, can solve problems such as difficult impact resistance, inability to directly obtain data, smashed samples, etc., and achieve the effect of easy processing, reducing complexity, and ensuring accuracy

Inactive Publication Date: 2015-10-28
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for large flat protective glass, the universal clamp as its clamping device cannot meet the clamping requirements, and the shape of the falling ball does not meet the design standards for sharps in GA 844-2009
In addition, the falling ball impact test device uses gravitational potential energy to be converted into kinetic energy for testing, which ...

Method used

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  • Shock testing device of large-scale protecting glass

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0020] Such as figure 1 The shown impact test device for a large-scale protective glass includes a clamping assembly, a suspension assembly and an impact piece 10, and can perform an impact test on a large-scale flat protective glass.

[0021] The clamping assembly includes a base 1 , a supporting steel box 2 , an upper frame 3 , and a rubber gasket 4 . The base 1 is made of a steel plate with a certain thickness, and the supporting steel box 2 is a steel box formed by welding 4 steel plates, and one end of each steel plate is processed with a same step, which is used to place a large flat protective glass that needs to be impact tested , the other end of each steel plate is welded and fixed on the base 1 respectively. The upper frame 3 is a frame composed of 4 steel bars, which is used to tightly connect with the supporting steel box 2 throug...

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Abstract

The invention relates to the technical field of experimental testing, and aims at providing a shock testing device of large-scale protecting glass. The shock testing device comprises a clamping component and a suspending component. The clamping component comprises a base, a supporting steel box, an upper frame and a rubber gasket. The supporting steel box is used for placing the large-scale flat-panel protecting glass. The upper frame is capable of connecting with the supporting steel box tightly and enables the rubber gasket to be arranged between the upper frame and the supporting steel box. The suspending component comprises a suspending frame, an electromagnet, a spring, laser pens and a DV. The electromagnet is installed at the center of a top beam of the suspending frame, the spring is fixed on the electromagnet, a shocking piece is absorbed at the lower end of the spring through the electromagnet, the four faces of one frame column of the suspending frame are provided with scales, and a row of laser pens are tied on the other frame column of the suspending frame. The DV is arranged on the suspending component. According to the shock testing device of the large-scale protecting glass, the large-scale protecting glass is difficult to vibrate and deviate, the veracity of testing is guaranteed, the bouncing speed of the shocking piece can be measured, and a more completed analysis is conducted on the shock testing.

Description

technical field [0001] The invention relates to the technical field of experimental testing, in particular to an impact testing device for large protective glass. Background technique [0002] As an important impact-resistant transparent material, protective glass is widely used in daily life. Existing impact testing devices are divided into pendulum impact testing machines, drop weight impact testing machines, and falling ball impact testing machines according to test methods. The pendulum impact testing machine detects the impact absorption energy of metal parts with V-shaped notches, and is rarely used in the detection of brittle materials. The drop hammer impact testing machine is mainly used for testing pipe samples, and the design of the device is complicated and the cost is too high. The structure of the falling ball impact testing machine is simple and easy to use, and it is widely used in testing the impact strength of ceramics, plastics and glass. However, for l...

Claims

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Application Information

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IPC IPC(8): G01N3/52G01N3/303
Inventor 樊先平程文煜张玲洁杨辉尤增宇
Owner ZHEJIANG UNIV
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