Three-dimensional small-measuring range force transducer

Abstract

A 3D small-range force sensor belongs to the technical field of mechanical testing technology and sensor application technology. The integral structure of the 3D small-range force sensor consists of a ''reversed Y-shaped'' elastomer and a fixing pedestal; wherein, two external vertical beams (1), (2) are provided with Z-direction rectangle through holes (5),(6) near the fixing pedestal; a horizontal beam (3) is provided with Z-direction rectangle through holes (7),(8) near a central vertical beam (4); the outer sides of the two thin walls of the two through holes on the two external vertical beams are stuck with four strain foils; the outer sides of the two thin walls of the two through holes on the horizontal beam (3) are stuck with four strain foils; the outer sides of the thin walls at the two ends of the through holes on the central vertical beam(4) are provided with four strain foils. Three groups of Wheatstone Bridges are formed. The range of each dimension of the invention is between 0 to 5N and can be used for testing the contact force of the sole of a small animal when creeping.

Description

technical field [0001] The three-dimensional small-range force sensor of the invention belongs to the field of mechanical testing technology and sensor application technology, and relates to the technology of testing small animal foot contact force. Background technique [0002] Tree frogs have the ability to crawl quickly, freely, and flexibly on trees and vertical walls. In-depth research on the adsorption and desorption mechanism of tree frog foot suckers and the crawling laws of tree frogs is used for the development of bionic adsorption materials, bionic Provide a theoretical basis for wall-climbing robots and other special robots working in various complex environments. While studying animal movement, the contact force between the animal's paw and the crawling surface is one of the most important pieces of information. It can reveal the law of animal movement in complex environments, and provide bionic mechanics data on motion mechanisms and gaits for the design of ro...

AI Technical Summary

Problems solved by technology

[0005] In 2003, Xu Yi from Beijing University of Science and Technology, Yu Daifeng and Song Chunning from Shandong University of Science and Technology constructed the MBFMAS (Motion Body 3-D Force-Measuring Analyzing System), which can be used as a test and analysis system for sports biomechanics teaching and scientific research. Due to the purchase of foreign products, the overall cost of the system is relatively high

Images