A sensor structure

Abstract

The invention relates to the field of a sensor, specifically to a structural member of a sensor. The structural member of the sensor is in an I-beam structure; the I-beam structurally comprises two parallel flanges, and a web which connects the two flanges, wherein the web is provided with two side walls which are located on left and right sides respectively; a hollow through hole which is parallel to the flanges is arranged in the cross section of the web; the hollow through hole is used for setting the sensor; the inner surfaces of the side walls are cambered surfaces; the curvature radiuses of the cambered surfaces of the inner surfaces of the side walls are the same; the distances between a central point of the hollow through hole and one point and between the central point of the hollow through hole and any other point on the inner surfaces are the same, wherein each side wall of the web is provided with a root part and an end part, wherein the end part is the axle wire position of the web; the end part of each side wall of the web is thicker than the root part; the thicknesses of the two side walls are symmetrical. The structure provided by the invention is characterized in that the web deformation and variation of height of the restorable through hole are increased in multiples, thus the assembly accuracy is improved and the assembly difficulty is reduced.

Description

technical field [0001] The invention relates to a structural part, in particular to a sensor structural part. Background technique [0002] Among existing technologies, such as figure 1 As shown, the traditional sensor has an overall structure like a long I-beam 1, and the web 3 of the I-beam is a circular hollow section. In fact, its hollow is formed by two planes parallel to the upper and lower flanges 2 of the I-beam. Formed rectangular through hole 5, the web has two side walls 4 respectively located on the left and right sides, the inner surface 6 of the side wall and the outer surface 9 of the side wall are smooth curved surfaces, and the root 7 and the end 8 of the side wall have the same thickness. The installation of the sensor unit in the beam-type load cell and the size of the applied pre-tightening force have a great influence on the performance of the load cell, and there should be strict assembly requirements and assembly processes. During assembly, a horizon...

AI Technical Summary

Problems solved by technology

Then the horizontal force F is removed, and the sensing unit is applied with a pre-tightening force. However, due to the symmetrical and uniform structure and the aluminum alloy material, the recoverable deformation of the web is very limited, and the change in the height of the recoverable rectangular hole is also very limited. Limited, for longer sensor assembly, the parallelism of the sensor and the uniformity of the horizontal force F must be very accurate, which brings great difficulty to the entire sensor manufacturing, and the uniformity of the lateral sensitivity is not high, so the assembly of the sensor very limited precision

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