Frequency-dependent passive intelligent variable damping control device

Abstract

The invention relates to a frequency-dependent passive intelligent variable damping control device which comprises a hydraulic damper system and a double-vibrator control system. The hydraulic damper system comprises an upper pin head (1), a piston rod (2), a guide sleeve (3), a piston (5), a hydraulic cylinder body (6), a counter-force plate (8) and a lower pin head (9). The double-vibrator control system comprises a control cylinder body (16) and an internal control mechanism. The internal control mechanism comprises a simple pendulum shaft (19), a first simple pendulum and a second simple pendulum with different periodic characteristics, a first simple pendulum bearing (24) and a second simple pendulum bearing (25). A first simple pendulum throttling opening (22) and a second simple pendulum throttling opening (23) are formed in the corresponding positions of a first simple pendulum disc (20) and a second simple pendulum disc (21) respectively. The first simple pendulum disc (20) and the second simple pendulum disc (21) are tightly attached, and a gap exists between the first simple pendulum disc (20) and the second simple pendulum disc (21). The frequency-dependent passive intelligent variable damping control device is stable, reliable and high in safety.

Description

technical field [0001] The invention belongs to the field of civil engineering and mechanical engineering and the field of vibration reduction technology, and relates to a passive intelligent variable damping control device that realizes intelligent vibration reduction control through passive vibration reduction, and is suitable for industrial and civil buildings, bridges, etc. in the field of civil engineering. The vibration reduction of underground buildings is also applicable to the vibration reduction and protection of instruments and cultural relics. Background technique [0002] Our country is a country with frequent earthquake disasters. In the field of civil engineering, it is an important issue and development direction to carry out seismic isolation and shock absorption design for construction projects. Structural vibration control is one of the important research directions in the field of modern anti-seismic design, and the research and development of anti-seismi...

AI Technical Summary

Problems solved by technology

Such as magnetorheological dampers, piezoelectric friction dampers, etc., semi-active dampers generally need to be equipped with corresponding energy supply systems and control systems. Compared with passive dampers, semi-active dampers can use intelligent algorithms to adjust the damping Adjustment, the control effect is better, but the structure of the semi-active damper is more complicated, the production cost is higher, and it also depends on the energy supply, which also reduces the stability of the overall control system

Due to the above shortcomings of the semi-active damper, its further engineering promotion and application are restricted.

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