Leak-proof multiple-seal viscous damper

Abstract

The invention discloses a leak-proof multiple-seal viscous damper which comprises a cylinder barrel. A piston rod is arranged in the cylinder barrel, the middle of the piston rod is in sleeved connection with a piston, the positions, close to two ends, of the piston rod are respectively in sleeved connection with guide sleeves, the right side guide sleeve is located at the right end of the cylinder barrel, the outer side of the right side guide sleeve is connected with a corrugated pipe, the corrugated pipe is connected with a right lug, an end cap seal is arranged at the left end of the cylinder barrel, the outer side of an end cap is connected with a left lug, a long through hole is formed in the piston rod, and a concentric damping hole is formed in the inner side of the piston. In the complete-set sealing mode, the possibility of damper leakage is greatly reduced, the durability of the damper is greatly prolonged, and the requirement for longer service life of the matched damper of a building can be met. Viscous liquid flows through the damping hole to produce a larger viscous damping force, the damping force can greatly consume input energy, and the safety of a main body structure can be improved.

Description

technical field [0001] The invention relates to the field of engineering equipment shock absorption, in particular to a leak-proof multiple-seal viscous damper. Background technique [0002] Viscous dampers were first used in shock or vibration control in mechanical engineering, military equipment, and aviation. With the continuous deepening of research, this technology gradually involves civil fields, such as building structures and bridges. This technology can not only be used for vibration control of new buildings, but also for seismic reinforcement of existing buildings. At present, viscous dampers have been used in many projects, specifically involving high-rise buildings, towering structures, stadiums, bridges, railways, offshore oil platforms and satellite launch towers. [0003] Domestic research on viscous dampers started relatively late, at the same time, foreign research products began to enter the domestic market. At present, the structure of such products in C...

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Problems solved by technology

At present, the structure of this kind of products in China is relatively simple, and some have technical problems, especially the problem of energy-consuming liquid leakage has not been completely solved, and it is difficult to meet the durability requirements of general buildings for 50 years

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