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Composite damper

A shock absorber and particle technology, applied in the direction of shock absorber, shock absorber, shock absorber-spring combination, etc., can solve the problems that the wire rope shock absorber cannot meet the energy dissipation, the vibration reduction effect is not excellent, etc. Good radial and axial stiffness characteristics, good absorption of high and low frequency vibration, and the effect of increasing the damping value

Inactive Publication Date: 2017-09-05
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still little research on how to apply the wire rope damper to the stretcher vibration damping system, so the damping effect it can achieve is not excellent
In addition, the damping of the wire rope shock absorber itself cannot meet the needs of energy dissipation, so additional damping and vibration reduction devices are required

Method used

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Examples

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0023] Such as figure 1 and figure 2 As shown, a composite shock absorber includes an air spring component and a particle damping component; the air spring component includes a cover plate 1, a bottom plate 3 and an air bag 2; the air bag 2 is located between the cover plate 1 and the bottom plate 3; the The particle damping part includes a particle holding chamber 5, a feedback spring 6, particles and an orifice 8; the particle damping part is located inside the airbag 2, and the top of the particle holding chamber 5 is fixed under the cover plate 1; The bottom plate 3 is provided with a spring slot 7, and one end of the feedback spring 6 is fixed in the spring slot 7; the other end is fixed at the bottom of the particle storage chamber 5; the particle storage chamber ...

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Abstract

The invention provides a composite shock absorber, comprising an air spring component and a particle damping component; the air spring component includes a cover plate, a bottom plate and an air bag; the air bag is located between the cover plate and the bottom plate; the particle damping component includes Particle storage chamber, feedback spring, particle and orifice; the particle damping part is located inside the airbag, the particle storage chamber is fixed on the cover plate; the bottom plate is provided with a spring slot, and the feedback spring is fixed Between the spring card slot and the particle storage room; the particle storage room is provided with several particle storage holes, and the particles are placed in the several particle storage holes; the particle storage room is provided with There are several throttling holes that are not connected to each other and correspond to the particle holding holes one by one; each of the throttling holes only communicates with the corresponding particle holding hole. The invention has lower natural frequency, can better dissipate vibration energy and alleviate dynamic impact, and can also reduce noise while achieving the effect of damping vibration.

Description

technical field [0001] The invention relates to the field of shock absorbers, in particular to a composite shock absorber. Background technique [0002] Take the stretcher as an example, during the driving process of the equipment carrying personnel, the vibration of the body floor will be transmitted to the human body through the "human body-support frame" system. If the vibration intensity is too large, it will not only be harmful to the emergency work during transportation, but will also aggravate the patient's health. pain, and even exacerbate the condition. According to data, there are about 10% of patients whose condition inevitably deteriorates during transportation. [0003] The traditional vibration damping device is mainly composed of ordinary elastic or rubber components. This kind of vibration damping device has been the mainstream in the early days, but it is difficult to achieve a lower natural frequency, and the vibration damping effect is not ideal. Later, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F13/00F16F9/50
CPCF16F13/002F16F9/50F16F13/007F16F2228/066
Inventor 潘公宇冯事成陈磊陈丽晶丁秋月陈萱
Owner JIANGSU UNIV
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