Stability test device for structural component

Abstract

The invention discloses a stability test device for a structural component, which comprises a bearing pull rod, a first force transmission support, a second force transmission support, a load applying device, wherein the first force transmission support is fixedly mounted on the bearing pull rod and used for bearing and mounting the first end of the to-be-tested structural component; the second force transmission support is movably mounted on the bearing pull rod and used for bearing and mounting the second end of the to-be-tested structural component, and the position for bearing and mounting the second end of the to-be-tested structural component can be adjusted in a set size range; under the push of an external force load, the second force transmission support can move in the length direction of the bearing pull rod, so as to apply a pressure load on the to-be-tested structural component; the load applying device is positioned on one side of the second force transmission support, which is back to the first force transmission support; and the load applying device is used for applying an external force load on the second force transmission support. According to invention, the axial direction of the to-be-tested structural component is consistent with the direction of the pressure load on the to-be-tested structural component through adjustment of the position where the secondend of the to-be-tested structural component is mounted on the second force transmission support, so as to ensure the unidirectionality of applying the pressure load on the to-be-tested structural component.

Description

technical field [0001] The invention relates to the technical field of construction machinery structures, in particular to a stability test device for structural parts. Background technique [0002] In the field of construction machinery structure technology, how to ensure the stability of structural parts is always a key technology. The initial geometry of structural parts and surface residual stress are important factors affecting stability. It is difficult to take into account all the influencing factors through the stability calculation of the theoretical model alone, and it is impossible to obtain real and accurate simulation calculation results. Therefore, it is necessary to conduct a stability test on the full-scale structural parts through the structural part stability test device, and further obtain the structural parts. The stability ultimate bearing capacity and failure mechanism. [0003] like figure 1 and figure 2 As shown, the existing structural member sta...

AI Technical Summary

Problems solved by technology

[0005] The invention provides a stability test device for structural parts, which is used to solve the problem that it is difficult to ensure that the pressure load is located in the axial direction of the tested structural part when the pressure load is applied to the tested structural part in the prior art, and the load centering is relatively difficult. difficult technical issues

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