CN205301071U - Measure glass compressive strength's device - Google Patents

Abstract

The utility model discloses a measure glass compressive strength's device, including top board, last gasket, lower gasket and holding down plate, wherein the top board is the type piece, the holding down plate is a character cut in bas -relief spare, and both match, play the effect of fixing the sample each other top board and holding down plate, can also prevent the glass spill of fracturing simultaneously, having placed two piece upper and lower gaskets in the recess of holding down plate, having needed the glass sample of test to place between upper and lower two gaskets, in the measurement process, the gasket of high strength plays the effect of protection top board and holding down plate. The simple structure of this device, convenient operation are to the strong adaptability of different shape samples.

Description

A device for measuring the compressive strength of glass

technical field

The utility model relates to the testing field of mechanical properties of materials, in particular to a device for measuring the compressive strength of glass.

Background technique

When the traditional fixture of the electronic universal testing machine measures the compressive strength of glass, it is difficult to accurately measure its strength due to the small force area and short mechanical deformation time, and the metal fixture is very easy to be scratched when the high hardness glass is broken, causing the fixture damage. Therefore, it is of great significance to develop a device that can be used to measure the compressive strength of thinner glass in view of the high hardness of glass.

Contents of the invention

The purpose of this utility model is to provide a device for measuring the compressive strength of glass against the deficiencies of the prior art, which can effectively prevent traditional fixtures from being scratched by high-hardness glass, thereby effectively prolonging the service life of the fixtures.

The utility model is achieved through the following technical solutions:

A device for measuring the compressive strength of glass, which mainly includes an upper pressing plate, an upper gasket, a lower gasket and a lower pressing plate, wherein the upper pressing plate is provided with a protrusion, and the lower pressing plate is provided with a groove, and the protrusion and the groove match , an upper gasket and a lower gasket are placed in the groove of the lower pressing plate. The protruding height of the upper pressing plate is 10-15 mm, and the groove depth of the lower pressing plate is 25-30 mm; the diameter of the groove of the lower pressing plate is 0.1-1 mm smaller than the protruding diameter of the upper pressing plate. The upper gasket and the lower gasket have the same diameter and a thickness of 3-8 mm, and their diameters are 0.1-0.5 mm smaller than the groove diameter of the lower pressing plate. The material of the upper platen and the lower platen is steel, such as No. 45 steel, high-speed steel, chrome steel, etc.; the material of the upper gasket and the lower gasket is yttria-stabilized zirconia ceramics.

Compared with the prior art, the utility model has the following advantages and effects: the structure is simple and the adaptability is strong; the advantage of low cost can be obtained by making the upper and lower pressure plates with steel, and the upper and lower gaskets can be effectively Prevent the fixture from being scratched by the glass sample, and at the same time, the upper and lower gaskets can be easily replaced, reducing the risk of damage to the entire device; the device is convenient, accurate and effective for measurement.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

Below in conjunction with accompanying drawing, the implementation of the present utility model is described in detail:

According to the structure in Figure 1, a device for measuring the compressive strength of glass is prepared, which is composed of four parts: an upper platen 1, an upper gasket 2, a lower gasket 3, and a lower platen 4; wherein the upper platen 1 and the lower platen 4. By matching the protrusion and the groove, the lower pad 3 and the upper pad 2 are placed in the groove of the lower pressing plate 4 . Further, the protrusion height of the upper pressing plate 1 is 10-15 mm, the groove depth of the lower pressing plate 4 is 25-30 mm, and the diameter of the groove of the lower pressing plate 4 is 0.1-1 mm smaller than the protrusion diameter of the upper pressing plate 1; the upper gasket 2 and the lower gasket 3 have the same diameter and a thickness of 3-8mm, and their diameters are 0.1-0.5mm smaller than the groove diameter of the lower pressing plate 4. The upper pressing plate 1 and the lower pressing plate 4 are made of steel; the upper gasket 2 and the lower gasket 3 are made of yttria-stabilized zirconia ceramics.

During the use of the utility model device, the lower pressing plate 4 is first placed on the lower end pedestal of the electronic universal testing machine, the lower gasket 3 is placed in the groove, and then the glass sample to be tested is placed, and then the upper gasket 2 is pressed On the sample, it is used to fix the sample and the protection device, and finally the upper pressing plate 1 is matched and fixed through the protrusion and the groove of the lower pressing plate 4 . Turn on the testing machine to measure the compressive strength.

Claims (6)

1. A device for measuring the compressive strength of glass, characterized in that it comprises an upper platen (1), an upper gasket (2), a lower gasket (3), and a lower platen (4); wherein the upper platen (1) There is a protrusion, and the lower pressing plate (4) is provided with a groove, and the protrusion matches the groove, and an upper gasket (2) and a lower gasket (3) are placed in the groove of the lower pressing plate (4). 2. A device for measuring the compressive strength of glass according to claim 1, characterized in that: the protrusion height of the upper pressing plate (1) is 10-15mm, and the groove depth of the lower pressing plate (4) is 25 ~ 30mm. 3. A device for measuring the compressive strength of glass according to claim 1, characterized in that: the groove diameter of the lower pressing plate (4) is 0.1-1 mm smaller than the protrusion diameter of the upper pressing plate (1). 4. A device for measuring the compressive strength of glass according to claim 1, characterized in that: the diameter of the upper gasket (2) and the lower gasket (3) are consistent, and the thickness is 3-8mm. And their diameters are all 0.1-0.5mm smaller than the groove diameter of the lower pressing plate (4). 5. A device for measuring the compressive strength of glass according to claim 1, characterized in that: said upper pressing plate (1) and lower pressing plate (4) are made of steel. 6. A device for measuring the compressive strength of glass according to claim 1, characterized in that: the materials of the upper gasket (2) and the lower gasket (3) are both yttria-stabilized zirconia ceramics .