Molybdenum alloy step slide rail four-edge adjustable type engineering rubber backup plate

Abstract

The invention relates to a tempered glass testing backup plate, in particular to a molybdenum alloy step slide rail four-edge adjustable type engineering rubber backup plate. The molybdenum alloy step slide rail four-edge adjustable type engineering rubber backup plate adopts an improvement that an upper clamping part of a backup plate comprises an upper plane of the backup plate, a clamping slope and an elevation gear rack, wherein a step slide rail is arranged on each upper plane of the backup plate, and each upper plane of the backup plate is connected with the corresponding step slide rail by a transition convex rail; each step slide rail and the corresponding transition convex slide are connected into a whole, and one side of each transition convex rail is provided with a convex rail contact surface; each convex rail screw penetrates through a convex rail step hole, and is spirally tightened and matched with a plane screw hole, and each convex rail contact surface is fixedly arranged on the corresponding upper plane of the backup plate; an upper sliding skeleton of each backup plate comprises a sliding lower plane and a sliding step surface, a vertical shaft hole is formed in each sliding step surface, and a step horizontal groove is formed in each sliding lower plane; each sliding lower plane and the corresponding step horizontal groove are connected by a transition groove; the step horizontal groove of each backup plate and the step slide rail of the adjacent backup plate are in sliding fit, so as to realize the continuous and free adjusting of tempered glass plates with different widths.

Description

technical field [0001] The invention relates to a tempered glass test backing board, classification number: G01N3 / 04, in particular to such a four-sided adjustable engineering rubber backing board of a molybdenum alloy ladder slide rail which can be enlarged or reduced around and used for testing the strength of glass. Background technique [0002] The existing tempered glass fragment test method is to place the tempered glass sample freely on the test bench, and use scotch tape paper or other methods to constrain the glass periphery, or cover the tempered glass with a film to prevent the glass fragments from splashing. On the center line of the longest side of the sample, about 20 mm away from the periphery, impact with a pointed hammer or punch with a tip curvature radius of 0.2 mm±0.05 mm to break the sample, and within 20 mm of the edge of the product and The number of fragments within a circle with a radius of 75mm centered on the impact point is not checked. Measure...

AI Technical Summary

Problems solved by technology

This method is not only inconvenient to operate, but takes a long time, and the tape is a disposable product, which is easy to cause waste and pollution, and the tape residue on the test bench must be removed after each test to remove the broken glass, otherwise , the remaining glass fragments will affect the next experimental test operation

[0003] At the same time, the adhesive tape is also likely to be broken by the force of the tempered glass explosion, causing the operator to be injured. Therefore, it is very necessary to improve the tempered glass fragment test device

[0004] Chinese patent application number: 201420595067.X, test device for tempered glass shards, proposed some new methods and measures to deal with the brittle glass backing plate, but it is still impossible to adjust the size at will, and it is impossible to make the four sides of the retaining wall in place on the same plane

At least one side of the patent must not be in contact with the test bench surface

What is referred to as the suspended retaining wall 5 in the embodiment cannot be in contact with the base 1 simultaneously with other three-sided retaining walls, so the retaining piece 4 has to be used to make up the gap between the suspended retaining wall 5 and the base 1, resulting in four Uneven surrounding force

In addition, the width of the baffle 4 itself is fixed, and only multi-piece splicing can be used, and continuous changes of different widths cannot be achieved.

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