CN102661347A - Impact damper - Google Patents
Impact damper Download PDFInfo
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- CN102661347A CN102661347A CN2012101444886A CN201210144488A CN102661347A CN 102661347 A CN102661347 A CN 102661347A CN 2012101444886 A CN2012101444886 A CN 2012101444886A CN 201210144488 A CN201210144488 A CN 201210144488A CN 102661347 A CN102661347 A CN 102661347A
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- cylinder
- impact damper
- column body
- opening
- cylindrical cavity
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Abstract
An impact damper for damping an impacter comprises a column body and a cover, wherein the column body is provided with a cylindrical cavity; and an opening is arranged at one end of the column body, and the other end of the column body is sealed by a base. The column body and the base are integrated into a whole, n (n is an integer which is more than or equal to three) completely-identical arc-shaped anti-seismic plates extending from the opening of the column body to the other end of the column are mounted on the inner wall of the cylindrical cavity along the axis direction of the column body; the cylindrical cavity is symmetrically and uniformly divided by the n arc-shaped anti-seismic plates into n independent spaces with the same size and a middle space; the middle space is used for placing the impacter; the cover is in threaded connection with the opening at one end of the column body; and a straight groove is arranged in the center of the top of the cover, and the cover can be tightened up and dismantled conveniently. According to the impact damper, the impacter and particle damping agent are enabled to be better contacted and collided in the damper, the energy of the energy is consumed, and the purpose of damping is better achieved.
Description
Technical field
The present invention relates to a kind of impact damper that can impact device vibration damping.
Background technique
Collisional damping belongs to the Passive Control technology of vibration, and it utilizes free quality (impactor) and the collision of main system in the vibration processes to control the response of main system.Because the impact damper simple structure, with low cost, easy to implement, non-powered, be adapted under the rugged environment using and effectiveness in vibration suppression good; Thereby, obtaining swift and violent development recently and in the vibration control in fields such as lathe, turbomachinery, robot, automobile, aircraft, space shuttle and tall building, obtaining using widely about the research of collisional damping.
The general structure of vibration damping as required of impact damper designs, and the inner shape of damper can be divided into cylinder type, cubic type, irregular type etc. substantially.Impact damper, it produces momentum transfer through the collision between mass block and the main system and controls vibration.Result of study shows; Impact damping can more effectively reduce the response amplitude of main system; But there is following shortcoming in it: (1) desirable opposite direction collisions will produce high acceleration peak value and strong velocity discontinuity, thereby produce higher noise, and cause the vessel surface damage; (2) restitution coefficient of collision is higher, and the kinetic energy rejection of impactor is little, thereby must take place in a series of residue collision processes significant amount of energy to be turned back to main system with container.
The impact damper of band particle vibration damping agent, be meant by airtight damper cavity with insert steel ball and a certain amount of impact damper of being formed as the subparticle material of vibration damping agent wherein as impactor.Its damping mechanism is that the particle vibration damping agent that utilizes the strong effect of impact of steel ball in the vibration processes to make to be clipped in therebetween produces plastic deformation, thereby for good and all consumes the vibrational energy of system.The collisional damping of band particle vibration damping agent broken through the conventional butt damping with momentum transfer and the narrow limitation of friction as damping mechanism, in collisional damping, having introduced first with the particle plastic deformation is the irreversible energy consumption mechanism of characteristic.
Existing impact damper and particles-impact damper are not all planned once more, are designed the damper inner space, so effectiveness in vibration suppression does not also reach best.
Summary of the invention
The object of the present invention is to provide a kind of cylinder type impact damper; Mainly solve existing existing impact damper and particles-impact damper all do not carry out time planning, design to the damper inner space technical problem; Impact damper provided by the invention is through design again, the planning of internal structure; Make that impactor and particle vibration damping agent can better contact-impacts in damper, thereby the energy of consumption systems better reaches the purpose of vibration damping.
Be to realize above-mentioned purpose, impact damper provided by the invention comprises: one have a cylindrical cavity and an end opening and the other end by the base sealing cylinder; And the lid that can cover the opening of cylinder.Wherein, Cylinder and base form as one; Extend to the identical arc antivibration plate of the other end of cylinder from the opening of cylinder along symmetrical n (n is the integer more than or equal to the three) sheet that is equipped with of the axis direction of cylinder on the inwall of the cylindrical cavity of cylinder; Said n sheet arc antivibration plate symmetry and average n equal-sized separate space and central space that cylindrical cavity is divided into; Central space is used to place said impactor, and lid is connected through worm structure with the said opening of an end of said cylinder, thus the center of cap top be provided with a straight-line groove can said lid for convenience detach.
Further, impact damper provided by the invention can also have such characteristic: have a plurality of screws that can mounting screw on the base.
Further, impact damper provided by the invention can also have such characteristic: n and can equal 4.
Further, impact damper provided by the invention can also have such characteristic: the antivibration plate can be steel plate.
Invention effect and effect
Space according in the cavity of impact damper of the present invention is fully utilized; Impactor and particle vibration damping agent can collide, rub in the cylinder type cavity more fully; The particle vibration damping agent more is easy to generate plastic deformation; The contact frequency of particle vibration damping agent and impactor and cavity increases, and has guaranteed sufficient contact-impact, rubbing machine meeting, and the system that makes obtains better damping property.
Description of drawings
Fig. 1 is the structural representation of the present invention's impact damper in an embodiment;
Fig. 2 is the separation structure schematic representation of the present invention's impact damper in an embodiment.
Embodiment
Fig. 1 is the structural representation of the present invention's impact damper in an embodiment; Fig. 2 is the separation structure schematic representation of the present invention's impact damper in an embodiment.Like Fig. 1, shown in 2, this impact damper comprise one have a cylindrical cavity 1 and an end opening and the other end by base 4 sealing cylinder 1 and the lid 3 that can cover the opening of cylinder.Wherein, Cylinder 1 forms as one with base 4; On the inwall of the cylindrical cavity of cylinder 1 along the identical curved plate 2 that four openings from cylinder 1 extend to the other end of cylinder 1 that is equipped with of the axis direction of cylinder symmetry; This four curved plates symmetry and average four equal-sized separate space 22 (volume equates) and a central space 21 (volume is bigger) that cylindrical cavity is divided into; Central space 21 is used to place said impactor, have on the base 4 can mounting screw screw 41.
The quantity of the antivibration sheet of the impact damper in the present embodiment is 4, and its quantity can also be for greater than 2 integer.
Embodiment's effect and effect
Space according in the cavity of impact damper among the embodiment is fully utilized; Impactor and particle vibration damping agent can collide, rub in the cylinder type cavity more fully; The particle vibration damping agent more is easy to generate plastic deformation; The contact frequency of particle vibration damping agent and impactor and cavity increases, and has guaranteed sufficient contact-impact, rubbing machine meeting, and the system that makes obtains better damping property.
Being preferred embodiment of the present invention more than, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be technological category of the present invention.
Claims (4)
- One kind can impact device vibration damping impact damper, it is characterized in that, comprising:One have a cylindrical cavity and an end opening and the other end by base (4) sealing cylinder (1); AndCan cover the lid (4) of the said opening of said cylinder,Wherein, said cylinder (1) forms as one with said base (4),Extend to the identical arc antidetonation plate (2) of the other end of said cylinder from the said opening of said cylinder along symmetrical n (n is the integer more than or equal to the three) sheet that is equipped with of the axis direction of said cylinder on the inwall of the said cylindrical cavity of said cylinder (1); Said n sheet arc antidetonation plate (2) symmetry and an average n equal-sized separate space and a central space (21) that said cylindrical cavity is divided into; Said central space is used to place said impactorSaid lid is connected through worm structure with the said opening of a said end of said cylinder,Thereby being provided with a straight-line groove, the center of said cap top can conveniently tighten and dismantle said lid.
- 2. impact damper according to claim 1 is characterized in that:Wherein, have a plurality of screws that can mounting screw on the said base.
- 3. impact damper according to claim 1 is characterized in that:Wherein, said n equals 4.
- 4. impact damper according to claim 1 is characterized in that:Wherein, said antidetonation plate is a steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101444886A CN102661347A (en) | 2012-05-10 | 2012-05-10 | Impact damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101444886A CN102661347A (en) | 2012-05-10 | 2012-05-10 | Impact damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102661347A true CN102661347A (en) | 2012-09-12 |
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ID=46770893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101444886A Pending CN102661347A (en) | 2012-05-10 | 2012-05-10 | Impact damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102661347A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853019A (en) * | 2012-10-09 | 2013-01-02 | 上海理工大学 | Cylindrical impact damper |
| CN106224422A (en) * | 2016-09-18 | 2016-12-14 | 厦门大学 | Reverse axial rotary motive power bump leveller |
| CN108869605A (en) * | 2017-05-16 | 2018-11-23 | 武汉科技大学 | Damp the adjustable double-deck Buoyant Raft Shock-resistant System |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2226416A1 (en) * | 1997-02-10 | 1998-08-10 | Gec Alsthom Transport Sa | Energy absorption device and vehicle, notably railway, comprising such an absorption device |
| DE19720329C1 (en) * | 1997-05-15 | 1998-11-05 | Abb Daimler Benz Transp | Rail vehicle with shock absorbing element device |
| CN101070072A (en) * | 2006-05-10 | 2007-11-14 | 株式会社日立制作所 | Collision energy absorbing apparatus and railway vehicle equipped with the same |
| CN202418383U (en) * | 2011-12-14 | 2012-09-05 | 上海理工大学 | Cylindrical particle collision damper |
-
2012
- 2012-05-10 CN CN2012101444886A patent/CN102661347A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2226416A1 (en) * | 1997-02-10 | 1998-08-10 | Gec Alsthom Transport Sa | Energy absorption device and vehicle, notably railway, comprising such an absorption device |
| DE19720329C1 (en) * | 1997-05-15 | 1998-11-05 | Abb Daimler Benz Transp | Rail vehicle with shock absorbing element device |
| CN101070072A (en) * | 2006-05-10 | 2007-11-14 | 株式会社日立制作所 | Collision energy absorbing apparatus and railway vehicle equipped with the same |
| CN202418383U (en) * | 2011-12-14 | 2012-09-05 | 上海理工大学 | Cylindrical particle collision damper |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853019A (en) * | 2012-10-09 | 2013-01-02 | 上海理工大学 | Cylindrical impact damper |
| CN106224422A (en) * | 2016-09-18 | 2016-12-14 | 厦门大学 | Reverse axial rotary motive power bump leveller |
| CN108869605A (en) * | 2017-05-16 | 2018-11-23 | 武汉科技大学 | Damp the adjustable double-deck Buoyant Raft Shock-resistant System |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120912 |