JPS643119U - - Google Patents
Info
- Publication number
- JPS643119U JPS643119U JP9688187U JP9688187U JPS643119U JP S643119 U JPS643119 U JP S643119U JP 9688187 U JP9688187 U JP 9688187U JP 9688187 U JP9688187 U JP 9688187U JP S643119 U JPS643119 U JP S643119U
- Authority
- JP
- Japan
- Prior art keywords
- electrostrictive element
- rolling bearing
- outer ring
- axial end
- rotating shaft
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Support Of The Bearing (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
その要部の断面図、第３図はその要部の平面図、
第４図はその要部の半裁断面図、第５図は電歪素
子の一実施例の一部破砕した側面図、第６図乃至
第８図は電歪素子の作用を説明するための図、第
９図、第１０図は電歪素子の機械的変位量の制御
装置の図、第１１図乃至第１５図は各種の従来例
の断面図である。
１…回転軸、３，１０…ころがり軸受、６，１
３…外輪、２０…電歪素子、４０…ハウジング。
Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a sectional view of its main parts, and Fig. 3 is a plan view of its main parts.
FIG. 4 is a half-cut sectional view of the main part thereof, FIG. 5 is a partially fragmented side view of an embodiment of the electrostrictive element, and FIGS. 6 to 8 are diagrams for explaining the action of the electrostrictive element. , FIGS. 9 and 10 are diagrams of a control device for the amount of mechanical displacement of an electrostrictive element, and FIGS. 11 to 15 are sectional views of various conventional examples. 1...Rotating shaft, 3,10...Rolling bearing, 6,1
3... Outer ring, 20... Electrostrictive element, 40... Housing.
Claims (1)
ともに電歪素子２０を配置し、この電歪素子２０
の軸方向の一端部を、一方のころがり軸受１０の
外輪１３に当接させ、電歪素子２０の軸方向の他
端部は、他方のころがり軸受３の外輪６の側部を
押圧できるように配置し、そして、この電歪素子
２０は電圧を印加することにより軸方向に延伸す
るように形成した軸受の予荷重調整装置。 A rolling bearing 3 is arranged on the outer periphery of the rotating shaft 1, and an electrostrictive element 20 is arranged.
One axial end of the electrostrictive element 20 is brought into contact with the outer ring 13 of one rolling bearing 10, and the other axial end of the electrostrictive element 20 is pressed against the side of the outer ring 6 of the other rolling bearing 3. The electrostrictive element 20 is arranged such that the electrostrictive element 20 is extended in the axial direction by applying a voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9688187U JPS643119U (en) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9688187U JPS643119U (en) | 1987-06-24 | 1987-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643119U true JPS643119U (en) | 1989-01-10 |
Family
ID=31322018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9688187U Pending JPS643119U (en) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643119U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0373205A (en) * | 1989-08-11 | 1991-03-28 | Nippon Seiko Kk | Preload variable spindle |
| JP2009174681A (en) * | 2008-01-28 | 2009-08-06 | Seiko Instruments Inc | Arm support mechanism and information regenerating device |
| JP2020159431A (en) * | 2019-03-26 | 2020-10-01 | Ckd株式会社 | Butterfly valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61127922A (en) * | 1984-11-27 | 1986-06-16 | Okuma Mach Works Ltd | Automatic preload regulating method for rolling bearing and device thereof |
-
1987
- 1987-06-24 JP JP9688187U patent/JPS643119U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61127922A (en) * | 1984-11-27 | 1986-06-16 | Okuma Mach Works Ltd | Automatic preload regulating method for rolling bearing and device thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0373205A (en) * | 1989-08-11 | 1991-03-28 | Nippon Seiko Kk | Preload variable spindle |
| JP2009174681A (en) * | 2008-01-28 | 2009-08-06 | Seiko Instruments Inc | Arm support mechanism and information regenerating device |
| JP2020159431A (en) * | 2019-03-26 | 2020-10-01 | Ckd株式会社 | Butterfly valve |