JPS62133174U - - Google Patents
Info
- Publication number
- JPS62133174U JPS62133174U JP1800786U JP1800786U JPS62133174U JP S62133174 U JPS62133174 U JP S62133174U JP 1800786 U JP1800786 U JP 1800786U JP 1800786 U JP1800786 U JP 1800786U JP S62133174 U JPS62133174 U JP S62133174U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- direction perpendicular
- hole axis
- hammer
- base body
- 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
- 239000013013 elastic material Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
Description
第１図Ａは本考案の実施例を示した断面図、第
１図Ｂは第１図ＡにおけるＡ―Ａ線断面図、第２
図は実施例におけるＰＳ検層システムを示した説
明図、第３図Ａ〜Ｃは従来の振源並びに本考案の
他の実施例の振源を示した断面図、第４図Ａ〜Ｃ
はこれらの振源の周波数特性を示したグラフ、第
５図は凝灰岩中における従来及び本考案の振源を
用いた場合に発生する地震波を示したグラフであ
る。
１，１５，２０…基体、２，１６，２１…ソレ
ノイドコイル、４，１７，２２…ハンマー、５…
振動体、６…Ｏリング、８…ボーリング孔、１ａ
…透孔。
FIG. 1A is a sectional view showing an embodiment of the present invention, FIG. 1B is a sectional view taken along line A--A in FIG. 1A, and FIG.
The figure is an explanatory diagram showing the PS logging system in the embodiment, Figures 3A to C are sectional views showing the conventional vibration source and the vibration source of another embodiment of the present invention, and Figures 4A to C
is a graph showing the frequency characteristics of these sources, and FIG. 5 is a graph showing seismic waves generated in tuff using the conventional and inventive sources. 1, 15, 20... Base body, 2, 16, 21... Solenoid coil, 4, 17, 22... Hammer, 5...
Vibrating body, 6...O ring, 8...Borehole, 1a
...through hole.
Claims (1)
孔軸との直交方向に振源力を作用させるものであ
つて、孔軸との直交方向に可動なハンマーと、孔
軸との直交方向に該ハンマーを駆動する駆動機構
と、該駆動機構を固定支持し且つ孔軸と直交方向
には該ハンマーを収納した透孔が形成された基体
と、該基体の外周上空面に位置して該透孔を覆い
且つ孔軸方向に延在する円筒状の振動体と、該基
体の外周と該振動体の内周面との間に密着された
弾性材とからなることを特徴とするＰＳ検層用振
源。 Retained in liquid in a hole drilled into the ground,
A hammer that applies a vibration source force in a direction perpendicular to the hole axis and is movable in the direction perpendicular to the hole axis, a drive mechanism that drives the hammer in the direction perpendicular to the hole axis, and the drive mechanism. a base body that is fixedly supported and has a through hole in which the hammer is housed in a direction perpendicular to the hole axis; and a cylindrical shape that is located above the outer periphery of the base body, covers the through hole, and extends in the hole axis direction. A vibration source for PS well logging, comprising: a vibrating body; and an elastic material closely attached between the outer periphery of the base body and the inner circumferential surface of the vibrating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1800786U JPH0355907Y2 (en) | 1986-02-10 | 1986-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1800786U JPH0355907Y2 (en) | 1986-02-10 | 1986-02-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62133174U true JPS62133174U (en) | 1987-08-22 |
| JPH0355907Y2 JPH0355907Y2 (en) | 1991-12-13 |
Family
ID=30811287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1800786U Expired JPH0355907Y2 (en) | 1986-02-10 | 1986-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355907Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011242340A (en) * | 2010-05-20 | 2011-12-01 | Japan Atomic Energy Agency | Intra-hole excitation source |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6306346B2 (en) * | 2013-12-26 | 2018-04-04 | 株式会社不動テトラ | Soft sandy ground compaction method and ground compaction device used for the method |
-
1986
- 1986-02-10 JP JP1800786U patent/JPH0355907Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011242340A (en) * | 2010-05-20 | 2011-12-01 | Japan Atomic Energy Agency | Intra-hole excitation source |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355907Y2 (en) | 1991-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62133174U (en) | ||
| JPH02119697U (en) | ||
| JPS6385998U (en) | ||
| JPS5838720Y2 (en) | piezoelectric buzzer | |
| JPS61143398U (en) | ||
| JPH01166493U (en) | ||
| JPH0314488U (en) | ||
| JPS63202193U (en) | ||
| JPS63177753U (en) | ||
| JPS63111089U (en) | ||
| JPS63120592U (en) | ||
| JPS6038000U (en) | piezoelectric speaker | |
| JPS60160699U (en) | Ultrasonic transducer | |
| JPH0278250U (en) | ||
| JPS6277344U (en) | ||
| JPH0348998U (en) | ||
| JPS62198798U (en) | ||
| JPS6162944U (en) | ||
| JPH01123489U (en) | ||
| JPH0191280U (en) | ||
| JPS63103746U (en) | ||
| JPH0241190U (en) | ||
| JPS6339639U (en) | ||
| JPS6417483U (en) | ||
| JPH0391085U (en) |