Magnetorheological mud damper

Abstract

The invention discloses a magnetorheological mud damper. The magnetorheological mud damper consists of a barrel-shaped cylinder body with a sealing cover, a piston located in the cylinder body and an iron core embedded in the piston and mutually accorded with the piston. The cylinder body is filled with magnetorheological mud. Magnet exciting coil is wound on the iron core. A through hole structure I penetrating through the iron core is arranged in the position, in the vertical direction of magnetic field generated by the iron core and the magnet exciting coil, of the iron core. The through hole structure I communicates with a through hole structure II of the piston to form a magnetorheological mud channel. The two sides of the piston are symmetrically provided with pulling rods. The pulling rods extend out of the cylinder body, and the connection position of the pulling rods and the sealing cover of the cylinder body is sealed. The magnet exciting coil on the iron core is connected with an outside power source through hole ducts in the pulling rods. According to the magnetorheological mud damper, the magnetorheological mud channel is located in the piston, the adjusting and controlling effect is good, the iron core can be replaced, the mechanical property of the damper can be adjusted, the iron core is not directly forced, the durability is good, the shear yield strength of the magnetorheological mud is high, and the precipitation-resistance performance is good.

Description

technical field [0001] The invention relates to a magneto-rheological mud damper, which belongs to the technical field of vibration isolation devices. Background technique [0002] With the development of the country and the improvement of living standards, important structures such as high-rise buildings, high-rise structures, and long-span structures are increasing day by day. Under the action of dynamic loads (such as strong wind and earthquake), these structures will generate relatively large vibrations, which will affect the normal use and safety of the structure. How to reduce the wind vibration or earthquake response of the structure is a frontier and important topic. Structural vibration control is a new type of anti-seismic measure, that is, to dissipate or isolate vibration energy by setting shock absorption or isolation devices in the structure, or to apply external energy to offset the effect of external excitation on the structure. Magnetorheological mud is a s...

AI Technical Summary

Problems solved by technology

These problems currently exist make the magneto-rheological mud damper very limited in practical application

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