Wheel spoke type fault-tolerant six-dimension force sensor with parallel structure

A six-dimensional force sensor and spoke-type technology, applied in the direction of instruments, measuring force components, power measurement, etc., can solve the problems of restricted application, large height, inconvenient thin structure, etc., to achieve convenient connection and enhance fault tolerance , Improve the effect of information utilization

Inactive Publication Date: 2012-10-31
YANSHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the sensors adopt upper and lower platform structures, which is inconvenient to make a thin structure, and the height and dimension are relatively large, which restricts the application in some fields

Method used

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  • Wheel spoke type fault-tolerant six-dimension force sensor with parallel structure
  • Wheel spoke type fault-tolerant six-dimension force sensor with parallel structure
  • Wheel spoke type fault-tolerant six-dimension force sensor with parallel structure

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Embodiment Construction

[0013] figure 1 , 2 , 3 are three embodiments disclosed by the present invention, wherein figure 1 It is a type II-I structure, figure 2 I-II type structure, image 3 For II-II structure.

[0014] figure 1 The sensor is composed of a fixed ring 1, a force measuring ring 4, an elastic ball joint 2 and a detection branch 3. There are more than seven detection branches 3 installed between the fixed ring 1 and the force-measuring ring 4. Strain gauges are attached to the middle of each detection branch. Both ends of the detection branch 3 are connected to the fixed ring 1 and the measuring Force rings 4 are connected. The hinge points connecting the detection branch 3 and the force-measuring ring 4 are distributed on two circumferences, and the hinge points connecting the detection branch 3 and the fixed ring 1 are distributed on one circumference. The fixed ring 1 or the force-measuring ring 4 can be threaded on its inner surface or outer surface according to different ap...

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Abstract

The invention discloses a wheel spoke type fault-tolerant six-dimension force sensor with a parallel structure, which is characterized in that the sensor is an inner and outer ring structure, more than seven detection branches (3) are installed between a clamping ring (1) and a force measuring ring (4) and in a spoke structure, a foil gauge is attached to the middle part of each detection branch, and both ends of the detection branch (3) are connected with the clamping ring (1) and the force measuring ring (4) through an elastic spherical hinge (2). The sensor with the parallel sensor is provided with more than six detection branches and has fault tolerant capability. The sensor is an integral structure, has simple structure and simple and convenient measurement principle and can be applied to various occasions requiring high-reliability six-dimension force measurement, such as robots, aerospace field, automobile wheel force measurement and the like.

Description

technical field [0001] The invention relates to the field of force sensor design and manufacture, in particular to a spoke-type fault-tolerant parallel structure six-dimensional force sensor with fault tolerance, which can measure three-dimensional force components and moment components in a test space with high reliability. Background technique [0002] The six-dimensional force sensor can simultaneously measure three force components and three torque components. As a necessary tool for six-component force measurement technology, it can be used to monitor forces with changing directions and sizes, measure acceleration or inertial forces, and realize force and force / bit control etc. The research of high-precision and high-reliability six-dimensional force sensor is a difficult and challenging subject that countries all over the world are striving to study first. [0003] In the research of six-dimensional force sensor, one of the key core issues is the structural design o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/16G01L3/00
Inventor 姚建涛赵永生王志军
Owner YANSHAN UNIV
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