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Vibration isolator for floating plate track based on magnetorheological material

A magnetorheological, floating plate technology, applied in the direction of shock absorber, shock absorber-spring combination, shock absorber, etc., to achieve the effect of improving the vibration isolation effect and attenuating the vibration energy

Active Publication Date: 2017-09-05
CHONGQING MATERIALS RES INST
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Problems solved by technology

Springs are used to store vibrational energy

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  • Vibration isolator for floating plate track based on magnetorheological material
  • Vibration isolator for floating plate track based on magnetorheological material

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[0018] In order to make the purpose, technical scheme and advantages of the present invention clearer, detailed implementation and specific operation process are provided, and the present invention will be further described in detail below in conjunction with the accompanying drawings:

[0019] see figure 1 and figure 2 , a floating plate track vibration isolator based on a magnetorheological material 13, including a fixed sleeve 14, the upper and lower inner iron cores are fixed in the fixed sleeve 14, and a The sealed space is located between the upper inner iron core and the lower inner iron core 11 . The sealed space is filled with magnetorheological material 13 . The magnetorheological material 13 is a well-known magnetron intelligent material, such as the material described in the patent CN201210495593.4. The inner and outer walls of the upper inner iron core and the lower inner iron core 11 are provided with grooves, and sealing rings are installed in the grooves to...

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Abstract

The invention relates to a floating-slab vibration isolator based on magnetorheological materials. The floating-slab vibration isolator comprises an energy storage device and a damping adjusting device. A spring is fixed between a base and a bottom plate and is used for storing vibration energy; the damping adjusting device is fixed above a cylinder barrel and is designed through an extrusion working mode of the magnetorheological materials; a disc piston is fixed to a piston rod, and when releasing storage energy, the spring transmits the motion to the disc piston through a piston rod; the disc piston is surrounded by the magnetorheological materials, and a coil is powered with different currents so as to change the magnetic field strength of the magnetorheological materials; the rheological properties of the magnetorheological materials are controlled, and the damping adjusting function is achieved; and the vibration energy generated in a track train running process can be attenuated.

Description

technical field [0001] The invention belongs to the field of rail transit vibration isolation, in particular to a rail vibration isolator for a floating plate based on a magnetorheological material. Background technique [0002] The development of rail transit has become the focus of a new round of urban construction. In Beijing, Shanghai, Guangzhou, Shenzhen, Chongqing, Wuhan and Changchun, many new subway, light rail and elevated rail transit lines have been put into operation, and many other cities have planned or are building urban rail transit lines. Rail transit plays an important role in solving traffic problems in big cities and improving the quality of urban life, and has advantages that other means of transportation cannot replace. But at the same time, the development of urban rail transit has also brought vibration and noise problems, causing great noise pollution to residential areas, office buildings, schools and hospitals along the line, and has become the fo...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/53F16F13/00
CPCF16F9/535F16F13/002
Inventor 居本祥唐锐张登友杨百炼
Owner CHONGQING MATERIALS RES INST
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