Active variable-inerter shock absorption system

A shock absorption system and active technology, applied in the direction of electric components, electromechanical devices, structural connections, etc., can solve the problems that the energy consumption and shock absorption of the inerter can not be continuously and efficiently exerted, and the kinetic energy of the flywheel cannot be consumed or transferred.

Active Publication Date: 2021-12-14
DALIAN UNIV OF TECH
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  • Abstract
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Problems solved by technology

Although the clutch action of the ratchet can prevent energy from being transmitted back to the structure, the kinetic energy obtained by the flywheel cannot be consumed or transferred due to the lack of an energy-dissipating mechanism, so the flywheel cannot maintain a static state of zero before the next vibration cycle begins, and the energy consumption of the inerter is reduced. The role of the earthquake cannot be played continuously and efficiently

Method used

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  • Active variable-inerter shock absorption system
  • Active variable-inerter shock absorption system
  • Active variable-inerter shock absorption system

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Embodiment Construction

[0017] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0018] figure 1 It is a structure configured with a variable inertial capacity system, including a support 1, a flywheel 2, a ratchet 3, a gear 4 and a fixed shaft 5, such as figure 2 As shown, the built-in claw 7 in the gear 3, the gear 4, the flywheel 2 and the ratchet 3 are installed on the fixed rotating shaft 5 through the bearing and the bearing ball 8. The variable inertia system can separate the rotation of the flywheel 2 from the movement of the structural beam 6 when the structural beam 6 starts to decelerate, so as to prevent the energy of the flywheel 2 from being transmitted back to the structure; but one disadvantage is that the flywheel 2 cannot automatically return to a static state, so it cannot be guaranteed The flywheel 2 continues to work from zero in each vibration cycle of the structure, real...

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Abstract

The invention belongs to the technical field of structural energy dissipation and shock absorption, and relates to an active variable-inerter shock absorption system. The active variable-inerter shock absorption system can be applied to a building structure and is used for restraining vibration of the building structure under earthquakes or wind vibration. The system comprises two sets of variable inerter systems, generator systems and intelligent control systems, and the two sets of variable inerter systems are arranged on the left side and the right side of a structural beam respectively. The inertia force is provided in the structure acceleration stage of an inerter, no force is provided in the structure deceleration stage, a flywheel can decelerate and brake in a specific time period through the generator principle, and the zero static state of the flywheel of the inerter before starting to work is ensured.

Description

technical field [0001] The invention belongs to the technical field of structural energy dissipation and shock absorption, and relates to an active variable inertia shock absorption system, which is an active variable inertia system that can be applied to building structures, and is used to suppress building structures from earthquakes or wind vibrations. down the vibration. Background technique [0002] In the past few decades, extreme weather and climate events and their secondary derivative disasters have shown an increasing trend. Natural disasters such as typhoons and earthquakes have posed serious threats to the safety of buildings, and at the same time put forward higher requirements for the seismic performance of buildings. Therefore, how to improve the seismic performance of building structures to ensure the safety of people's lives and properties has important strategic significance. Structural vibration control devices and strategies can effectively improve the s...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K7/02H02K7/116H02K11/21H02K7/102
CPCH02K7/025H02K7/116H02K11/21H02K7/1023Y02E60/16
Inventor 梁启刚李芦钰郑义霖张晓华
Owner DALIAN UNIV OF TECH
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