a shock absorber

A shock absorber, ball screw technology, applied in the direction of shock absorber, shock absorber, shock absorber-spring combination, etc. Effect

Active Publication Date: 2020-01-10
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the shock absorber which is designed as a whole by the damper, the inertial container and the spring, etc., there is no design to adjust the damping coefficient and the inertial coefficient at the same time.

Method used

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Embodiment Construction

[0027] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0028] It should be noted that the "up and down" mentioned in the present invention only represent the relative orientation relationship, and do not represent the absolute orientation in the earth coordinate system. For example, the "down" direction does not necessarily coincide with the direction of gravity. "Up" refers to the direction of the roller screw towards the flywheel chamber, and "down" refers to the opposite direction.

[0029] Such as figure 1 As shown, the ball screw 5 is embedded in the chamber of the flywheel chamber 8 and the stroke chamber 17, and is threadedly connected with the nut 13 to form a kinematic pair, and the nut 13 is installed on the stroke chamber 17 through the fastening screw 6. During the movement, the nut 13 does not move, a...

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PUM

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Abstract

The invention belongs to the technical field of mechanical vibration reduction and energy consumption, and particularly relates to a vibration absorber with adjustable damping and inertance coefficient. The vibration absorber comprises a flywheel chamber, a travel chamber, a ball screw and a nut; the upper shaft end of the ball screw is connected with a flywheel located in the flywheel chamber, and the lower shaft end of the ball screw is connected with a blade wheel located in the travel chamber; the nut is fixed at the upper end of the travel chamber and is in threaded connection with the ball screw; the lower part of the chamber of the travel chamber is filled with magnetorheological fluid; and a battery coil is wound on the position, corresponding to the magnetorheological fluid, of the shell of the travel chamber. According to the vibration absorber with adjustable damping and inertance coefficient at the same time, the inertance coefficient can be changed along with the change ofthe external input, the vibration absorber has the advantages that sensitivity is high, the size is small, the structure is simple, the phenomenon of the time lag does not exist, and the adaptabilityof the vibration absorber to the working environment is improved.

Description

technical field [0001] The invention belongs to the technical field of mechanical vibration reduction and energy consumption, in particular to a shock absorber with adjustable damping and inertia coefficient. Background technique [0002] The shock absorber is a device to accelerate the attenuation of the vibration of the frame and the body to improve the ride comfort (comfort) of the car. The suspension system of most cars is equipped with a shock absorber. In addition to automobile suspensions, shock absorbers are also widely used in ships, bridges, etc., and people's requirements for shock absorbers' vibration reduction performance are getting higher and higher. [0003] Traditional vibration reduction devices mainly include dampers, springs, inerters, etc. After the processing of these vibration reduction devices is completed, the vibration reduction parameters are generally determined, which will cause the entire vibration reduction system to be unable to change paramet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F13/30
CPCF16F13/305
Inventor 李小彭李凡杰王琳琳张姗沃旭曹洲
Owner NORTHEASTERN UNIV LIAONING
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