JPH0383251U - - Google Patents
Info
- Publication number
- JPH0383251U JPH0383251U JP14281289U JP14281289U JPH0383251U JP H0383251 U JPH0383251 U JP H0383251U JP 14281289 U JP14281289 U JP 14281289U JP 14281289 U JP14281289 U JP 14281289U JP H0383251 U JPH0383251 U JP H0383251U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- displacement
- spool valve
- vibration generator
- chamber
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
Landscapes
- Shovels (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
第１図は、この考案の一実施例を示す振動発生
装置の断面概略図。第２図及び第３図は、それぞ
れ第１図の他の作動態様を示す部分図。第４図は
、第１図に示す振動発生装置を備えたバケツトの
断面概略図。
２……振動発生装置、８……圧電素子、１０…
…ベローズ式油密室、１４……固定弁体、１６…
…スプール弁、１８……変位増幅室、２０，２２
……圧縮ばね、２４……固定ピストン、２６……
振動体、２７……ハンマー、２８……シリンダ、
３０，３２……油室、４２……圧油供給ライン、
４４……戻りライン、４６……バケツト、４８…
…テイース。
FIG. 1 is a schematic cross-sectional view of a vibration generator showing an embodiment of this invention. 2 and 3 are partial views showing other operating modes of FIG. 1, respectively. FIG. 4 is a schematic cross-sectional view of a bucket bag equipped with the vibration generator shown in FIG. 1. 2... Vibration generator, 8... Piezoelectric element, 10...
...Bellows type oiltight chamber, 14...Fixed valve body, 16...
...Spool valve, 18...Displacement amplification chamber, 20, 22
...Compression spring, 24...Fixed piston, 26...
Vibrating body, 27... Hammer, 28... Cylinder,
30, 32...oil chamber, 42...pressure oil supply line,
44...Return line, 46...Bucket, 48...
...Tease.
Claims (1)
子と、一端が該変位素子の該変形により駆動させ
られるよう位置され、他端が固定弁体内に設けら
れた変位増幅油室に連通されたベローズ式油密室
と、一端が該変位増幅油室に面するよう該固定弁
体内に配置されたスプール弁と、該スプール弁の
両端に設けられた二つの圧縮ばねと、該固定弁体
に設けられた固定ピストンによつて分けられた二
つの油室を有する振動体と、該スプール弁の往復
移動により、圧油が該振動体の該二つの油室内に
交互に供給されて、該振動体が往復移動させられ
るような油圧システムとが備えられ、該変位増幅
油室の断面積は、該ベローズ式油密室の断面積よ
りも所定比だけ小さく形成され、該スプール弁の
質量と該二つの圧縮ばねのばね定数とで二次系の
共振周波数特性を有するよう構成されたことを特
徴とする振動発生装置。 ２ 該変位素子が圧電素子により構成されたこと
を特徴とする請求項１記載の振動発生装置。[Claims for Utility Model Registration] 1. A displacement element that is deformed in a specific direction by electrical input, and a displacement amplification whose one end is positioned to be driven by the deformation of the displacement element and whose other end is provided within a fixed valve body. a bellows-type oil-tight chamber communicating with the oil chamber; a spool valve disposed within the fixed valve body so that one end faces the displacement amplification oil chamber; and two compression springs provided at both ends of the spool valve; A vibrating body having two oil chambers separated by a fixed piston provided on the fixed valve body, and a reciprocating movement of the spool valve, whereby pressure oil is alternately supplied into the two oil chambers of the vibrating body. and a hydraulic system for reciprocating the vibrating body, the cross-sectional area of the displacement amplifying oil chamber is smaller than the cross-sectional area of the bellows-type oil-tight chamber by a predetermined ratio, and the spool valve 1. A vibration generator characterized in that the mass of the vibration generator and the spring constants of the two compression springs have a quadratic resonance frequency characteristic. 2. The vibration generator according to claim 1, wherein the displacement element is constituted by a piezoelectric element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14281289U JPH0712449Y2 (en) | 1989-12-12 | 1989-12-12 | Vibration generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14281289U JPH0712449Y2 (en) | 1989-12-12 | 1989-12-12 | Vibration generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0383251U true JPH0383251U (en) | 1991-08-23 |
| JPH0712449Y2 JPH0712449Y2 (en) | 1995-03-22 |
Family
ID=31689625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14281289U Expired - Fee Related JPH0712449Y2 (en) | 1989-12-12 | 1989-12-12 | Vibration generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0712449Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101289751B1 (en) * | 2011-07-07 | 2013-07-26 | 한신공영 주식회사 | Horizontal blowing apparatus |
-
1989
- 1989-12-12 JP JP14281289U patent/JPH0712449Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0712449Y2 (en) | 1995-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3686460B2 (en) | Vibrating compressor | |
| JPH0383251U (en) | ||
| JPH03127089U (en) | ||
| JPH03125852U (en) | ||
| RU2002111325A (en) | Vehicle air suspension spring | |
| JPH0215063Y2 (en) | ||
| JPH02134342U (en) | ||
| JPS6320545U (en) | ||
| RU97109234A (en) | PNEUMA HYDRAULIC SPRING SUSPENSION VEHICLE | |
| JPH02138251U (en) | ||
| SU1199934A1 (en) | Percussive pneumatic machine | |
| JPS62112337U (en) | ||
| JPS62106075U (en) | ||
| JPH01144293U (en) | ||
| JPH0336532U (en) | ||
| JPH0449262U (en) | ||
| JPS647933U (en) | ||
| JPH0369507U (en) | ||
| JPH03107561U (en) | ||
| JPS5929440U (en) | Vibration damper for internal combustion engines for vehicles | |
| JPS59196584U (en) | Control mechanism of swash plate type variable displacement hydraulic motor | |
| JPH02138249U (en) | ||
| JPS6432974U (en) | ||
| JPH02138250U (en) | ||
| JPH02127758U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |