Supporting roller type test device for dynamically monitoring bending angle

Abstract

The present invention discloses a roller-type test device for dynamically monitoring the bending angle. On the longitudinal surface of the base of the roller-type bending test device, an angle measurement and monitoring device for dynamically monitoring the bending angle of the bending test piece is fixedly connected. The above-mentioned angle measurement and monitoring device includes a pointer assembly, which is movably connected to the rear end of the bending indenter of the main body of the roller bending test device through the center of the angle scale plate engraved line, and the pointer rod is connected to it by a vertically fixed pointer extension rod The rollers form the pointer assembly, and the rollers are in contact with the surface of the sample. During the test, the angle indicated by the pointer is kept consistent with the bending angle of the sample 7. When the sample 7 bends under the action of the bending indenter test force, it drives When the roller rotates, the roller 17 transmits the rotation to the pointer 3, and the bending angle of the sample 7 is indicated on the angle scale plate through the needle point. Through the invention, the actual bending angle of the sample can be monitored in real time, and the test process of the sample can be precisely controlled.

Description

Technical field [0001] The invention relates to a material bending test test device, in particular to a supporting roller type bending test device capable of dynamically monitoring the bending angle of a sample. Background technique [0002] The bending test is a test to monitor the bending plasticity of the material in which a round, square, rectangular or polygonal cross-section sample undergoes bending plastic deformation on a bending device without changing the direction of force until the specified bending angle is reached. During the bending test, the axes of the two arms of the sample are kept in a plane perpendicular to the bending axis. If it is a 180° angle test, bend the sample until the two arms are at a specified distance apart and are parallel to each other or the two arms are in direct contact as required. Bending test is mainly used to test the mechanical properties of materials when subjected to bending loads. Bending tests are commonly used in production applic...

AI Technical Summary

Problems solved by technology

[0007] In order to solve the shortcomings of the existing supporting roller bending test fixture, the present invention provides a dynamic measurement with high precision, simple structure and convenient operation, which can dynamically and real-time monitor the actual bending angle of the sample during the test process, and accurately control the test process of the sample. Roller Bending Test Apparatus

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