Device for detecting shearing resistance of elevator materials

Abstract

The invention provides a device for detecting shearing resistance of elevator materials, which includes a connection arm, a fixing arm, a position limiting member, a mechanical arm, a rotary disk anda main bolt. The connection arm is connected to the fixing arm through the rotary disk; one side of the connection arm is connected to the mechanical arm; a connection groove is arranged in the otherside of the connection arm; a positioning block group is arranged on the surface of the connection groove; first bolts are connected to two sides of the connection groove; the main bolt respectively penetrates through the fixing arm, the rotary disk and the connection arm; one end of the main bolt is located inside the connection groove; the position limiting member is arranged above the fixing arm; the position limiting member comprises position limiting pieces that are arranged symmetrically; second bolts are arranged symmetrically on the two sides of the position limiting pieces. The devicehas excellent positioning and deviation correcting effect on materials such as iron cables, rigid bodies or rigid connection structures in different sizes. The device brings convenience to real timemeasurement, wherein different measurement forces can be applied via the mechanical arm, so that detailed measurement data results can be obtained and measurement accuracy is increased.

Description

Technical field [0001] The invention relates to the field of elevator equipment detection, in particular to an elevator material shear resistance detection equipment. Background technique [0002] In order to ensure the mechanical strength of the elevator in use, it is necessary to test the shear resistance of materials such as iron and steel bars; usually the transverse ends of the steel bar specimens are fixed, and then the test force is applied to the longitudinal ends of the steel bar specimens to check Its shear resistance. The shear resistance test fixture in the prior art has the test force that easily deviates from the axis of the tensioned steel bar, and it is difficult to ensure that the sample and the fixture are on the same axis; and the free end of the tensioned steel bar cannot slide along the axis, so the steel sample cannot be corrected For test materials of different sizes, rigid bodies or rigid connection structures, the axis cannot be rectified well, and the f...

AI Technical Summary

Problems solved by technology

The shear force test fixture in the prior art has the problem that the test force is easy to deviate from the axial direction of the tensile steel bar, and it is difficult to ensure that the sample and the fixture are on the same axis; and the free end of the tensile steel bar cannot slide along the axial direction, so the correction of the steel bar sample cannot be corrected. For test materials such as iron olives of different sizes, rigid bodies or rigid connection structures, the axes cannot be corrected well, and the fixation effect is not good, and the test samples are prone to offset, which affects the test results; the existing test tools are all It is a manual operation, and the detailed data of the shear force cannot be obtained, and the measurement effect is not good

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