Active control type inerter

An active control and inerter technology, applied in the field of inerters, can solve problems such as the constant inertia coefficient of the inerter, the inability to adapt to changing vibration input, the limitation of the inertia coefficient of the single flywheel ball screw inerter, etc., to achieve improved Inertia coefficient and the effect of widening the field of use

Active Publication Date: 2016-05-04
RES INST OF ZHEJIANG UNIV TAIZHOU
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problems that the inertial coefficient of the current fixed structure of the ine

Method used

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[0017] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0018] Such as figure 2 with image 3 As shown, in the active control type inertial vessel of the present invention, the upper ring 1 is fixedly connected with the upper end of the motor casing 2, the lower end of the motor casing 2 is fixedly connected with the upper end of the outer gear ring 4, and the motor 3 casing is fixedly connected with the upper end of the outer gear ring 4. The motor rotor 5 is fixedly connected to one side of the inner hole of the planet carrier 13.

[0019] The upper end of the bearing seat 7 is fixedly connected to the outer gear ring 4, the inner hole of the bearing seat 7 is fixedly connected to the outer ring of the bearing group 8, and the inner ring of the bearing group 8 is fixedly connected to the screw rod 9, and the screw rod 9 and the nut 11 form a spiral Transmission pair.

[0020] The nut 11 is fixedly connected to the ...

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Abstract

The invention discloses an automatic control type inerter. The active control type inerter mainly comprises a screw transmission pair formed by a screw rod and a nut as well as a gear meshing transmission pair formed by outer teeth of a planet gear and inner teeth of an outer gear ring. A motor is used as an active control element and adjusts the output force of the inerter, so that the inerter is adapted to variable vibration input, and the application field of the inerter is broadened; the inertia function is realized through a planet fly wheel set, and the inertance of the inerter is effectively increased through revolution and rotation of a planet gear train.

Description

technical field [0001] The invention relates to an inerter, in particular to an actively controlled inerter. Background technique [0002] The output force of the inerter is proportional to the relative acceleration at both ends, which can realize the dynamic characteristics of a large mass with a small mass, which greatly broadens the structural form of vibration control. However, the inerter is an element with both ends. When used as an inertial element in applications such as dynamic vibration absorbers, its action form is very different from that of a single-mass body, which inevitably causes problems such as narrowing of the vibration reduction frequency band. In addition, the inertial coefficient of an inerter with a fixed structure is correspondingly determined and unchanged, which cannot adapt to changing vibration input. Furthermore, the conventional single-flywheel inerter only utilizes the moment of inertia of a single flywheel, and the inertia coefficient is lim...

Claims

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Application Information

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IPC IPC(8): F16F15/31
CPCF16F15/31
Inventor 葛正王维锐
Owner RES INST OF ZHEJIANG UNIV TAIZHOU
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