CN1072784C - Device for damping of vibrations between objects - Google Patents
Device for damping of vibrations between objects Download PDFInfo
- Publication number
- CN1072784C CN1072784C CN 96180493 CN96180493A CN1072784C CN 1072784 C CN1072784 C CN 1072784C CN 96180493 CN96180493 CN 96180493 CN 96180493 A CN96180493 A CN 96180493A CN 1072784 C CN1072784 C CN 1072784C
- Authority
- CN
- China
- Prior art keywords
- damping body
- rigidly
- vibration
- secondary object
- damping
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention relates to a damping device among objects, particularly to a device for preventing transferring vibration from a vibrating primary object (12) to a secondary object (10) which is sensitive to vibration. The secondary object (10) is supported by a damping body (18) in a non-rigid mode, the mass of the damping body is equal to or essentially equal to the mass of the secondary object, and the damping body is supported by the primary object (12) in a non-rigid mode.
Description
The present invention relates to the vibration damping equipment between object, particularly in order to avoid from the elementary object that stands to vibrate to device to the secondary object transfer vibration of vibration sensing.
For example, in audio disc and optic disk apparatus for displaying, this device have from the rotation information carry the optical pickup device that dish reads information; In the automatic apparatus for displaying of analog record, the performance of the relevant part of corresponding laser reading device, contact pilotage reading device, gear drive and rotating disk is all very responsive to the vibration of surrounding environment.
One of purpose of the present invention is to propose a kind of improved device, in order to avoid undesirable vibration transfer to the object to vibration sensing, promptly isolates or this vibration that decays.First aspect according to the present invention, device for the described type of in invention field one joint, mentioning, the realization of this vibration-damping function is by will be bearing on the damping body to the secondary object of vibration sensing non-rigidly, damping body itself is bearing on the elementary object again non-rigidly, and damping body has the quality that equates or equate in essence with secondary object quality.Practice shows, the damping body of dynamic suspension is placed between the two articles, one side is to avoid the object that is supported that vibrates, opposite side is the object of vibration, wherein the quality of damping body equates with the quality that is supported object or equates in essence, like this, can guarantee to stop effectively to being supported the object transmitting vibrations.Quality by such arrangement damping body and the quality that is supported object, damping body be supported body and will be dynamic anti-phase relation each other, like this, the vibration below the vibration isolator is decayed by vibration isolator, so, be supported the unlikely influence that is subjected to following oscillating body of object.
This vibration attenuation mechanism also can be used for opposite situation, and wherein, being supported object is oscillating body, for example is compressor, washing machine or similar equipment, and its underlayment, for example supporting or floor then need be avoided vibrating.
For the present invention, several embodiments shown in give more detailed description below with reference to accompanying drawings, wherein:
Fig. 1 is the perspective illustration according to one of apparatus of the present invention principle embodiment;
Fig. 1 a-1g is placed on damping body and is supported dissimilar elastic device between the object;
Fig. 2 shows the schematic diagram that the present invention uses in the gear device of CD player and laser reading device;
Fig. 3 shows an embodiment, wherein, whole vibration sensing device be encapsulated in the casing and be bearing in the casing according on the vibration damping equipment of the present invention;
Fig. 4 shows the automatic apparatus for displaying of an analog record, wherein, is used for rotating disk on the one hand according to vibration damping equipment of the present invention, is used for the contact pilotage reading device on the other hand, and this contact pilotage reading device is supported on the pick-up arm;
Fig. 5 and Fig. 6 one of show according to the present invention the schematic diagram of vibration damping equipment, and this vibration damping equipment is used for speaker; With
Fig. 7 to Fig. 9 shows the other application example of the vibration damping equipment according to the present invention.
Fig. 1 shows the general example of vibration damping equipment one embodiment according to the present invention.10 are meant an object among the figure, and this object is for vibration sensing, and wish to keep being completely free of vibration, and this vibration may occur in the base layer 12 of supporting object 10.14 and 16 is two-part of symbolically on the object 10, does not allow to vibrate between these two-part.The vibration transfer that takes place for fear of base layer 12 is to object 10, according to the present invention, suggestion is bearing in object on the damping body 18 non-rigidly, and this damping body has the quality that equates or equate in essence with the quality of object 10, and damping body is bearing on the base layer 12 also non-rigidly.By suitably select and balance object 10 and damping body 18 between elastic element 20 and the elastic element 22 between damping body 18 and the base layer 12, can avoid effectively vibrating and be delivered on the vibration sensing object 10 from base layer 12.In this way, oscillating body 18 is in the state work down that is dynamic anti-phase relation with the base layer vibration, thereby vibration is isolated or decay.
Fig. 1 a-Fig. 1 g shows the schematic diagram of multi-form elastic element between damping body 18 and the object 10, wherein, Fig. 1 a-Fig. 1 c shows helical spring type elastic element 20 and 22, with this elastic element supporting vibration damping equipment arranged, respectively shown in 21a and 21b among Fig. 1 b and the 1c. Elastic element 20,22 among Fig. 1 d leaks the shape rubber body by solid water and constitutes, and the elastic element among Fig. 1 e and Fig. 1 f is to be made of hollow or cast rubber element.Fig. 1 g shows an embodiment, wherein, requires the object 10 of vibration damping to be suspended on the damping body 18 by elastic element 20, and this elastic element is to be shaped as oval-shaped rubber ring.Damping body 18 also is to be suspended on the suspending frame 12a by similar oval rubber ring.Nature, elastic element 22 bear the load that approximately doubles elastic element 20 load, must have bigger size, so that provide object 10 and damping body 18 required respective springs characteristic.
This vibration attenuation mechanism can put into practice in a lot of fields.Below with reference to several feasible suitable application examples.
Fig. 2 shows CD-audio player 24, wherein, the laser of phonograph reads arm 26 and gear device 28 boths support by the corresponding elastic element on the damping body 34,36 30,32 respectively non-rigidly, each damping body has respectively with laser and reads the quality that the quality of the quality of arm 26 and gear device 28 equates, this damping body also is to be bearing on the body or chassis of CD-audio player 24 by elastic element 38 and 40 respectively. Elastic element 30,32 and 38,40 suitably comprises the elastic caoutchouc element, and its shape and adaptability make and is supported device 26,28 and has identical spring performance with corresponding damping body 34,36 respectively.By means of this structural solution, the vibration sensing body 26,28 of CD-audio player can be isolated the vibration that produces fully below phonograph in normal range (NR) and normal amplitude.Embodiment analogizes according to this, and the present invention also broadcasts machine applicable to CD-ROM naturally.
Fig. 3 shows an embodiment, wherein, and whole HiFi device 42, for example CD-audio player right and wrong are bearing on the heelpiece 44 as damping body rigidly, this heelpiece has and device 42 quality that equate, heelpiece also right and wrong itself is bearing in the cabinet 46 rigidly, and this cabinet is around whole device 42.
Fig. 4 shows the automatic apparatus for displaying 48 of analog record, and wherein, the present invention has been used for three different positions.At this, the rotating disk 50 that writes down automatic apparatus for displaying 48 is supported by damping body disk 52 non-rigidly, and this damping body disk can be with rotating disk 50 rotations, and the quality of damping body equals or equals in essence rotating disk and is placed on the gross mass of the long-playing record on the rotating disk.Damping body disk 52 also right and wrong is driven disk 54 rigidly and supports, and driver plate may produce vibration.The bearing supporting 55b of contact pilotage reading device 55 and pick-up arm 55a also can realize isolated supporting with similar fashion.
Fig. 5 and Fig. 6 show the present invention and are applied to micropkonic situation, wherein Fig. 5 shows a large-scale multichannel speaker 56, this speaker is bearing on the damping body 58 non-rigidly, and this damping body has the quality that equates or equate in essence with speaker 56, is also being supported non-rigidly.Fig. 6 shows loudspeaker, mediant trumpet and the bass horn 60,62 and 64 of separation, and according to the present invention, these loudspeaker all right and wrong are bearing in respectively on the corresponding damping body 66,68 and 70 according to the present invention rigidly.
Fig. 7 shows instrument 72, and this instrument is furnished with according to vibration isolation and damping body 74 of the present invention and drawing board top 76, and this drawing board is furnished with similar vibration damping equipment, and this is flexibly to support with a kind of damping block 78.
In addition, Fig. 8 shows according to a kind of vibration damper of the present invention, this vibration damper is applicable to a kind of laser surveying instrument 80, this instrument is by the middle damping body 84 of a dynamic suspension, be bearing on the support 82, this centre damping body has the quality that equates or equate in essence with surveying instrument 80 quality non-rigidly.
The present invention also is applicable to such situation, wherein, wishes to avoid being supported in the supporting or floor of vibration transfer below it of object.Fig. 9 shows an example, wherein vibrative compressor 86 is bearing on the damping body 88 by elastic element non-rigidly, wherein damping body 88 has the quality that equals or equal compressor 86 quality in essence, and damping body itself is bearing on base plate or the supporting member 92 by elastic element 94 again non-rigidly.
According to vibration damping equipment of the present invention, can be useful for other many fields within the scope of the following claims in essence.
Claims (19)
1. the vibration damping equipment between object, particularly avoid from the elementary object that stands to vibrate it is characterized in that to device to the secondary object transfer vibration of vibration sensing:
Secondary vibration sensing object (10; 26; 28; 42; 50; 55; 56; 60; 62; 64; 72; 80) non-rigidly by damping body (18; 34; 36; 44; 52; 58; 66; 68; 70; 78; 84) supporting, this damping body has the quality that equates or equate in essence with secondary object (12) quality, and described damping body is bearing on the elementary object (12) also non-rigidly.
2. device as claimed in claim 1 is characterized in that: secondary object and damping body are with elastic device (20,22; 30,32) support non-rigidly.
3. device as claimed in claim 1 or 2 is characterized in that: secondary object is the parts (26 that are used for carrier information is done optics playback equipment (24); 28), for example CD, CD-ROM or optic disk playing device.
4. device as claimed in claim 3 is characterized in that: these parts are element (26), and this element is used to support the laser reading device.
5. device as claimed in claim 3 is characterized in that: these parts are gear device (28), are used for activation bit and carry disc spins.
6. device as claimed in claim 4 is characterized in that: these parts are gear device (28), are used for activation bit and carry disc spins.
7. device as claimed in claim 3 is characterized in that: these parts are to comprise the whole cabinet of its constituent element (42), and are supported on the damping body (44), and frame and damping body are contained in the public casing (46).
8. device as claimed in claim 1 or 2, it is characterized in that: secondary object is the record rotating disk (50) of analoglike record apparatus for displaying (48), wherein write down rotating disk (50) right and wrong and supported by the damping body of coaxial rotation (52) rigidly, this damping body also right and wrong is driven in rotation dish (54) rigidly and supports.
9. device as claimed in claim 1 or 2, it is characterized in that: secondary object is contact pilotage reading device (55), these contact pilotage reading device right and wrong are supported by damping body rigidly, and this damping body also right and wrong is supported in the tone arm (55a) that is used for analog record apparatus for displaying (48) rigidly.
10. device as claimed in claim 1 or 2 is characterized in that: secondary object is the pickup wall (55a) of analog record playing device (48).
11. device as claimed in claim 1 or 2 is characterized in that: secondary object is speaker (56), for example multichannel speaker.
12. device as claimed in claim 1 or 2 is characterized in that: secondary object is the microphone device of separating, for example bass horn (64), mediant trumpet (62) and loudspeaker (60), and one in these devices (64,62,60) are installed on another.
13. device as claimed in claim 1 or 2 is characterized in that: secondary object is surveying instrument (72).
14. device as claimed in claim 1 or 2 is characterized in that: secondary object is chart board top (76).
15. the vibration damping equipment between object is particularly avoided from the elementary object (86) that stands to vibrate it is characterized in that to the device to secondary object (92) transmitting vibrations of vibration sensing:
The elementary object (86) that stands to vibrate is supported by damping body (88) non-rigidly, and this damping body is supported by secondary object (92) again non-rigidly, and this damping body has the quality that equates or equate in essence with elementary object (86) quality.
16. device as claimed in claim 15 is characterized in that: elementary object (86) and damping body (88) all are to support with elastic device (90,94) non-rigidly.
17. as claim 15 or 16 described devices, it is characterized in that: elementary object (86) is vibrative machine.
18. as claim 15 or 16 described devices, it is characterized in that: secondary object (92) is support, floor or similar object.
19. device as claimed in claim 17 is characterized in that: secondary object (92) is support, floor or similar object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96180493 CN1072784C (en) | 1996-11-08 | 1996-11-08 | Device for damping of vibrations between objects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96180493 CN1072784C (en) | 1996-11-08 | 1996-11-08 | Device for damping of vibrations between objects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1234859A CN1234859A (en) | 1999-11-10 |
| CN1072784C true CN1072784C (en) | 2001-10-10 |
Family
ID=5127927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96180493 Expired - Fee Related CN1072784C (en) | 1996-11-08 | 1996-11-08 | Device for damping of vibrations between objects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1072784C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673733A (en) * | 2012-06-07 | 2012-09-19 | 江苏科技大学 | Vibration and noise reduction device |
| CN103090161B (en) * | 2012-12-19 | 2015-04-22 | 哈尔滨工业大学 | Gas magnetic vibration isolation platform based on spring zero position benchmark and laser auto-collimation measurement |
| CN103090162B (en) * | 2012-12-19 | 2015-04-22 | 哈尔滨工业大学 | Gas magnetic vibration isolation platform based on spring zero position benchmark and laser auto-collimation measurement |
| CN109322969B (en) * | 2018-11-09 | 2023-12-15 | 迅达（中国）电梯有限公司 | Vibration damper for main machine of elevator |
-
1996
- 1996-11-08 CN CN 96180493 patent/CN1072784C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1234859A (en) | 1999-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8611201B2 (en) | Vibration-reduced turntable | |
| JP2006352367A (en) | Acoustic device | |
| WO1998021500A1 (en) | Device for the damping of vibrations between objects | |
| CN1072784C (en) | Device for damping of vibrations between objects | |
| CN1118066C (en) | High-speed driving and reading device for data memory disc | |
| WO1982000383A1 (en) | Turntable system with low aggregate resonance | |
| US4225142A (en) | Turntable system with low aggregate resonance | |
| JP2004510280A (en) | Mounting disk drives using adhesive film | |
| WO2006100920A1 (en) | Disc device | |
| GB2307024A (en) | Support for vibrating apparatus | |
| JP4193735B2 (en) | Information recording / reproducing device | |
| JPH09191186A (en) | Audio device housing apparatus | |
| JPH11182623A (en) | Vibration damping mechanism | |
| JP2638008B2 (en) | Disc player chuck device | |
| JP2550850B2 (en) | Disc player | |
| JPS6316492A (en) | Disk reproducing device | |
| JPS6316491A (en) | Disk reproducing device for vehicle | |
| JP2003141866A (en) | Record player | |
| KR100237889B1 (en) | Vibration absorbing device for disc drive | |
| JP2623177B2 (en) | Information playback device | |
| JP2000113579A (en) | Disk driving device | |
| JP2002133826A (en) | Optical disk unit | |
| JP2000295815A (en) | Automatic balancing device and disc drive device | |
| JPH10283648A (en) | Objective lens driving device | |
| JP3799825B2 (en) | Disk unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |