Six-dimensional force sensor of integral pre-tightening double-layer top and bottom asymmetry eight-rod parallel connection structure

A six-dimensional force sensor, the overall technology, is applied in the direction of instrument, measurement force, measurement of the property force of piezoelectric devices, etc. To solve the problems such as the complex structure of the tight branch, the effect of reducing stress coupling, increasing stiffness and simple structure is achieved.
CN101329208BInactive Publication Date: 2010-06-16YANSHAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YANSHAN UNIV
Publication Date
2010-06-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a six-dimensional force sensor with the parallel-connected structure of eight rods that are integrally pre-tightened and symmetrically arranged in an upper layer and a lower layer, which is characterized in that a force measuring platform (1) consists of a chassis and a supporting disk that are fixedly connected, and four ball socket holders (4) are evenly arranged on the upper surface and the lower surface of the chassis of the measuring platform (1); a pre-tightening platform (2) adopts a shell component, and four ball socket holders (4) are evenly arranged on the topinner loop surface of the pre-tightening platform (2); four ball socket holders (4) are evenly arranged on the upper surface of a base (6); a detecting component (3) and the ball socket holders (4) form conehead-typed spherical pairs that are distributed on the upper and lower sides of the chassis of the measuring platform (1), and the detecting component (3) is connected with the pre-tighteningplatform (2), the force measuring platform (1) and the base (6) by pre-tightening bolts (5), pre-tightened and closed. The six-dimensional force sensor has simple structure, simple and convenient measuring principles, high measuring precision, easy formation of precision and series and larger loaded tilting moment, and can be applied in various situations that need six-dimensional force measurement in the fields of robots and aviation, ect.
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Description

technical field

[0001] The invention relates to the field of design and manufacture of a force sensor, in particular to a six-dimensional force sensor with an integrally pre-tightened double-layer upper and lower symmetrical eight-bar parallel structure, which can be used to test three-dimensional force components and moment components in a space. Background technique

[0002] Sensors play an important role in industrial production, national defense construction and science and technology. Sensor technology is one of the three pillars of modern information technology. The six-dimensional force sensor has become the most important type of sensor because it can perceive all the information of external force and torque, and can be used to monitor the force with changing direction and size and measure acceleration or inertial force. It is widely used in precision assembly, automatic grinding, contour tracking, two-hand coordination, zero force teaching and other operations, and ...

Claims

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