AU2020100576A4 - Damping Device - Google Patents

Damping Device Download PDF

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Publication number
AU2020100576A4
AU2020100576A4 AU2020100576A AU2020100576A AU2020100576A4 AU 2020100576 A4 AU2020100576 A4 AU 2020100576A4 AU 2020100576 A AU2020100576 A AU 2020100576A AU 2020100576 A AU2020100576 A AU 2020100576A AU 2020100576 A4 AU2020100576 A4 AU 2020100576A4
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AU
Australia
Prior art keywords
damper
damping device
head
base
sphere
Prior art date
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Ceased
Application number
AU2020100576A
Inventor
Yanchen DU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to AU2020100576A priority Critical patent/AU2020100576A4/en
Application granted granted Critical
Publication of AU2020100576A4 publication Critical patent/AU2020100576A4/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3235Constructional features of cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3264Arrangements for indicating, e.g. fluid level; Arrangements for checking dampers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/53Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • F16F9/535Magnetorheological [MR] fluid dampers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

Abstract The invention provides an elastic impact damping device with adjustable clearance, variable stiffness, and micro-powder particles. The damping device achieves the purposes of visible collision process, adjustable collision clearance ratio, and variable collision stiffness. The damping device of the present invention includes: a base to support a collision damper; and a collision damper to absorb vibration energy. The base includes: a base body supporting the impact damper through a slide rail and a spring device; a slide rail detachably fixed to the base body for slidingly supporting the impact damper. The impact damper includes: a damper housing having a circular cross-section and a head at both ends; at least one spring device; at least one piston body; it is mounted inside the damper housing to absorb the vibration energy particles by colliding with the head, piston, powder particles; and it is mounted with the sphere in a cavity to collide with the sphere to absorb the vibration energy powder particles.

Description

Damping Device
Technical Field
The invention relates to a damping device, in particular to a adjustable clearance, variable stiffness, and micro-powder elastic impact damper.
Background Technology
Impact damping is a passive control. Its working principle is to use the impactor (metal ball) to collide with the main system during vibration to control the collision response.
The impact damper is a kind of device which reduces the motion amplitude, loses the moving energy and achieves the effect of vibration reduction through resistance; the vibration damper has a very obvious characteristic is that it does not need external energy input to achieve its vibration reduction effect through its own particularity, so that it can work normally under extreme harsh conditions and obtain obvious effect.The traditional impact damper is to add a spherical impactor (sphere) in a closed cavity. The spherical impactor can continuously impact both ends of the container wall at high frequency vibration, because the impact consumes the energy of the system, the magnitude of its impact force directly determines the damping effect of the damper.
However, up to now, the invisibility of the invariable clearance ratio, the fixed stiffness (the structure of the damper and the fixed spring device), the invisibility of the motion law of the impactor (the small metal ball) makes the damper become (the damper and its use function), which hinders the flexible application of the damper, also hinders the observation of the damper impactor (metal ball), and also increases the cost of the damper during use.
Invention Summary
The present invention has been made in order to solve the above problems, and aims to provide a damping device for adjustable clearance, variable stiffness, and elastic collision of fine powder particles. The damping device achieves the purposes of process visibility, adjustable clearance ratio, and changeable stiffness of the spring device.
A damping device provided by the present invention has such characteristics as: a base to support a collision damper; and a impact damper to absorb vibration energy. The base includes: a base body that supports the impact damper through a slide rail and a spring device; and a slide rail that is detachably fixed
2020100576 16 Apr 2020 to the base body for slidingly supporting the impact damper. The impact damper includes: a damper housing, which includes: a shell with a circular cross section and a head at both ends; at least one spring device including a spring and a fixed end; One end of the spring is detachably fixed on the fixed end on the outside of the head, and the other end of the spring is detachably fixed on the fixed end of the base body; At least one piston body is installed in the damper housing, and one side is connected to the outside of the head with a screw in an adjustable state; the ball is installed in the damper housing and absorbs vibration energy by colliding with the head, piston, and powder particles; And, the powder particles are installed in the shell together with the sphere, and collide with the sphere, the shell, and the head to absorb vibration energy.
The damping device provided by the present invention may also have the characteristics that the shell is made of a transparent material.
The damping device provided by the present invention may also have the characteristics that the transparent material is transparent organic glass.
The damping device provided by the present invention may also have the characteristics that the base, the slide rail, the head, the piston body, the fixed end of the spring device, the sphere, and the powder particles are made of a metal material.
The damping device provided by the present invention may also have the characteristics that the metal material is an aluminum alloy.
The role and effect of the invention
According to the damping device of the present invention, because of the use of an adjustable piston body and a detachable spring device, the damping device of the present invention has the functions of adjustable clearance ratio and adjustable stiffness, and can achieve the damping vibration requirements of different clearance ratio and different stiffness.
Descriptions with Drawings
Figture 1 is a sectional view of a damping device in an embodiment of the present invention.
Figture 2 is a top view of the damping device in the embodiment of the present invention.
Detailed Description of the Presently Preferred Embodiment
2020100576 16 Apr 2020
In order to make the technical means realized by the present invention, the creation characteristics, the purpose and the effect easy to understand, the following embodiments will specifically explain the damping device of the present invention with reference to the accompanying drawings of the description.
Figture 1 is a sectional view of a damping device in an embodiment of the present invention. Figture 2 is a plan view of the damping device in the embodiment of the present invention, which is used to assist in explaining Figture 1.
As shown in Figture 1 and Figture 2, the damping device 100 of the present invention includes: a base 10 is used for supporting the impact damper 20, and the impact damper 20 is used for absorbing vibration energy; the impact damper 20 is supported by the slide rail 12 and at least one spring device 13 detachably fixed on the base body 11; and the slide rail 12 is detachably fixed on the base body 11 for slidingly supporting the impact damper 20.
The impact damper 20 includes: a damper shell composed of a circular cross section of the shell body 21 and the head 22, and the spring device 13 is detachably fixed outside the head 22; at least one piston body 23 is installed on the damper inside the housing, one side is connected to the outside of the head 22 with a screw 24 in an adjustable state; the sphere 25 is installed in the damper housing and absorbs vibration energy by colliding with the head 22, piston 23, and powder particles 26; and the powder particles 26 are installed in the housing together with the sphere 25, and collide with the sphere 25 to absorb vibration energy.
According to the damping device 100 of the present invention, by adjusting the position of the piston body 23 and replacing the spring of the spring device 13, the damping vibration requirements of different clearance ratios and different stiffness.
In the damping device 100 according to the present invention, the casing 21 is made of a transparent material, such as transparent plexiglass.
The base body 11, the slide rail 12, the head 22, the piston body 23, the fixed end of the spring device 13, the sphere 25, and the powder particles 26 are also made of a metal material, such as an aluminum alloy.
According to the damping device 100 of the present invention, not only can the damping vibration requirements of different clearance ratio and different stiffness requirements be
2020100576 16 Apr 2020 realized by adjusting the position of the piston body and removing the replacement spring device, but also the vibration characteristics of the sphere 25 can be seen through the transparent casing 21 for easy study.
Function and effect of the embodiment
According to the damping device of the embodiment of the present invention, because the cavity of the impact damper housing is designed as a piston, the size of the sphere motion space can be changed by adjusting the piston position through a threaded rod.Therefore, the adjustability of the clearance ratio is realized; and because the impact damper casing is made of transparent material, the damping device can be used to clearly observe the movement and impact of the sphere when it is used in a crash research test; The spring device of the damper is removable and replaceable. Therefore, the damper device can be used for damping tests with different stiffness requirements, which expands the use of the same damping device.
The damping device of the invention has the advantages of exquisite structure design, simple, convenient and easy operation, wide application surface, and a damping device can complete damping tests with various stiffness requirements.
Because the damping device of the present invention has good impact resistance and can work normally under severe environmental conditions, it is made by using aluminum alloy materials to meet the requirements for light weight and stability and good wear resistance.
The embodiments of the present invention described above are preferred cases of the present invention and are not intended to limit the protection scope of the present invention.

Claims (5)

  1. Claims
    2020100576 16 Apr 2020
    1 .A magnetorheological fluid particle collision damper is characterized in that , comprising:
    The base to support the impact damper;
    The base to support the impact damper;
    Among them, the base includes:
    A base body, and the impact damper supported by a slide rail and a spring device; and
    The slide rail is detachably fixed on the base body for slidingly supporting the impact damper,
    The impact damper includes:
    The damper shell includes: a round body with a cross section and a head at both ends;
    At least one spring device includes a spring and a fixed end; One end of the spring is detachably fixed on the fixing end outside the head, the other end of the spring is detachably fixed on the fixing end of the base body;
    At least one piston body is installed in the damper housing, and one side is connected to the outside of the head with a screw in an adjustable and fixed state.
    A sphere is installed in the damper housing, and absorbs vibration energy through collision with the head, piston, and powder particles; and
    The powder particles are installed in the housing together with the sphere, it collides with the sphere, the shell and the head and absorbs vibration energy.
  2. 2. The damping device described in claim 1 is characterized by:
    Wherein, the shell body is made of transparent material.
  3. 3. The damping device described in claim 2 is characterized by:
    Wherein, the transparent material is transparent organic glass.
  4. 4. The damping device described in claim 1 is characterized by:
    Wherein, the base, the slide rail, the head, the piston body, the fixed end of the spring device, the sphere, and the powder particles are made of a metal material.
  5. 5. The damping device described in claim 4 is characterized by:
    Wherein, the metal material is an aluminum alloy.
AU2020100576A 2020-04-16 2020-04-16 Damping Device Ceased AU2020100576A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2020100576A AU2020100576A4 (en) 2020-04-16 2020-04-16 Damping Device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2020100576A AU2020100576A4 (en) 2020-04-16 2020-04-16 Damping Device

Publications (1)

Publication Number Publication Date
AU2020100576A4 true AU2020100576A4 (en) 2020-05-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020100576A Ceased AU2020100576A4 (en) 2020-04-16 2020-04-16 Damping Device

Country Status (1)

Country Link
AU (1) AU2020100576A4 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113586656A (en) * 2021-07-21 2021-11-02 江苏力科丹普机械技术有限公司 Energy-consuming spring composite particle damper
CN114738414A (en) * 2022-05-11 2022-07-12 西南石油大学 Easily-controlled semi-active nonlinear double-acting vibration absorber
CN115182953A (en) * 2022-08-02 2022-10-14 成都工业学院 New energy automobile damping device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113586656A (en) * 2021-07-21 2021-11-02 江苏力科丹普机械技术有限公司 Energy-consuming spring composite particle damper
CN114738414A (en) * 2022-05-11 2022-07-12 西南石油大学 Easily-controlled semi-active nonlinear double-acting vibration absorber
CN114738414B (en) * 2022-05-11 2023-05-23 西南石油大学 Easily-controlled semi-active nonlinear double-acting vibration absorber
CN115182953A (en) * 2022-08-02 2022-10-14 成都工业学院 New energy automobile damping device

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FGI Letters patent sealed or granted (innovation patent)
MK22 Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry