JPH026228U - - Google Patents

Info

Publication number
JPH026228U
JPH026228U JP8491288U JP8491288U JPH026228U JP H026228 U JPH026228 U JP H026228U JP 8491288 U JP8491288 U JP 8491288U JP 8491288 U JP8491288 U JP 8491288U JP H026228 U JPH026228 U JP H026228U
Authority
JP
Japan
Prior art keywords
wood
measured
needle
attached
longitudinal vibration
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
Application number
JP8491288U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP8491288U priority Critical patent/JPH026228U/ja
Publication of JPH026228U publication Critical patent/JPH026228U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は加速度センサーに針を取り付けた本考
案の斜視図。第2図は本考案の他の実施例を示し
加速度センサーを装着した構造体Gを被測定木材
に押し込み取着した状態の断面図。第3図は加速
度センサーを装備した構造体Gの被測定木材への
着脱装置の側面図。第4図は木材の縦振動よりヤ
ング率Eを求める概念図である。 1……センサー、1a……取着面、1b……鍔
部、2……針、3……台盤、4……カバー、5a
,5b……ビス、6a,6b……ハンド、7……
アーム、8……軸、9……信号線、A……被測定
木材、B……マグネスケール、C……ハンマー、
D……高速フーリエ級数変換器、F……演算器、
G……構造体、H……着脱装置。
Figure 1 is a perspective view of the present invention in which a needle is attached to an acceleration sensor. FIG. 2 is a sectional view showing another embodiment of the present invention, in which a structure G equipped with an acceleration sensor is pushed into a piece of wood to be measured. FIG. 3 is a side view of a device for attaching and detaching structure G equipped with an acceleration sensor to and from a timber to be measured. FIG. 4 is a conceptual diagram for determining Young's modulus E from longitudinal vibration of wood. 1... Sensor, 1a... Mounting surface, 1b... Flange, 2... Needle, 3... Base plate, 4... Cover, 5a
, 5b... screw, 6a, 6b... hand, 7...
Arm, 8... Axis, 9... Signal line, A... Wood to be measured, B... Magnescale, C... Hammer,
D... Fast Fourier series converter, F... Arithmetic unit,
G...Structure, H...Attachment/detaching device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被測定木材Aに密着する面1a側の中央部に針
2を突設し、該針2を前記被測定木材Aに差し込
んで取着するようにしたことを特徴とする木材の
縦振動測定用加速度センサー。
For longitudinal vibration measurement of wood, characterized in that a needle 2 is provided protruding from the center of the surface 1a side that is in close contact with the wood A to be measured, and the needle 2 is inserted into the wood A to be measured and attached. Accelerometer.
JP8491288U 1988-06-27 1988-06-27 Pending JPH026228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8491288U JPH026228U (en) 1988-06-27 1988-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8491288U JPH026228U (en) 1988-06-27 1988-06-27

Publications (1)

Publication Number Publication Date
JPH026228U true JPH026228U (en) 1990-01-16

Family

ID=31309594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8491288U Pending JPH026228U (en) 1988-06-27 1988-06-27

Country Status (1)

Country Link
JP (1) JPH026228U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618388A (en) * 1992-07-03 1994-01-25 Ichijiyou Komuten:Kk Lumber classifying apparatus
JP2002544481A (en) * 1999-05-11 2002-12-24 リン、フランク Material inspection device
JP2008261871A (en) * 2001-10-12 2008-10-30 Sekisui Chem Co Ltd Method and equipment for inspecting reinforced concrete pipe
JP2018029516A (en) * 2016-08-24 2018-03-01 株式会社南星機械 Head for work vehicles, work vehicle, and quality evaluation sensor unit for head attachment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918068U (en) * 1972-05-19 1974-02-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918068U (en) * 1972-05-19 1974-02-15

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618388A (en) * 1992-07-03 1994-01-25 Ichijiyou Komuten:Kk Lumber classifying apparatus
JP2002544481A (en) * 1999-05-11 2002-12-24 リン、フランク Material inspection device
JP2008261871A (en) * 2001-10-12 2008-10-30 Sekisui Chem Co Ltd Method and equipment for inspecting reinforced concrete pipe
JP4603599B2 (en) * 2001-10-12 2010-12-22 積水化学工業株式会社 Inspection equipment for reinforced concrete pipes
JP2018029516A (en) * 2016-08-24 2018-03-01 株式会社南星機械 Head for work vehicles, work vehicle, and quality evaluation sensor unit for head attachment

Similar Documents

Publication Publication Date Title
JPH026228U (en)
JPS6357700U (en)
JPH0212626U (en)
JPH0333373U (en)
JPS62173286U (en)
JPH0272901U (en)
JPH0225885U (en)
JPH03113145U (en)
JPH0378217U (en)
JPH0164376U (en)
JPH0267243U (en)
JPH02125123U (en)
JPH0267202U (en)
JPH01165403U (en)
JPS6319202U (en)
JPS6338372U (en)
JPH02141832U (en)
JPS6440550U (en)
JPS63105022U (en)
JPH0386844U (en)
JPH0488041U (en)
JPH0386846U (en)
JPH02148425U (en)
JPS6255137U (en)
JPS62133297U (en)