JPH01104559U - - Google Patents
Info
- Publication number
- JPH01104559U JPH01104559U JP19932487U JP19932487U JPH01104559U JP H01104559 U JPH01104559 U JP H01104559U JP 19932487 U JP19932487 U JP 19932487U JP 19932487 U JP19932487 U JP 19932487U JP H01104559 U JPH01104559 U JP H01104559U
- Authority
- JP
- Japan
- Prior art keywords
- abnormality
- measured object
- hammer
- inspection device
- degree
- 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
- 230000005856 abnormality Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
第１図は本考案の実施例に係る打撃検査装置の
異常判別回路の説明図、第２図は前記実施例のハ
ンマ駆動制御回路の説明図、第３図は本考案の実
施例に係る打撃検査装置の構成説明図、第４図は
ハンマ駆動制御回路の動作を説明するタイミクグ
チヤート、第５図はハンマと被測定物との接触時
間の求め方の説明図である。
１８…表示部、２２…ハンマ、２４…ハンマ駆
動部、２６…制御部、２８…ハンマ駆動制御回路
、３０…異常判別回路、４４…打撃センサ、９０
…接触時間演算部、９４…比較演算部、９６…異
常レベル判定部。
FIG. 1 is an explanatory diagram of the abnormality determination circuit of the impact inspection device according to the embodiment of the present invention, FIG. 2 is an explanatory diagram of the hammer drive control circuit of the embodiment, and FIG. FIG. 4 is a timing chart for explaining the operation of the hammer drive control circuit, and FIG. 5 is an explanatory diagram for determining the contact time between the hammer and the object to be measured. 18... Display section, 22... Hammer, 24... Hammer drive section, 26... Control section, 28... Hammer drive control circuit, 30... Abnormality determination circuit, 44... Impact sensor, 90
...Contact time calculation section, 94...Comparison calculation section, 96...Abnormal level determination section.
Claims (1)
物の異常の有無を検知する打撃検査装置において
、前記ハンマが前記被測定物を打撃したことを検
知する打撃センサと、この打撃センサの検知信号
を基準の信号と比較する比較演算部と、この比較
演算部の出力に基づき、前記被測定物の異常の程
度を判別する異常レベル判定部と、この異常レベ
ル判定部が出力する異常の有無、異常の程度に応
じて表示内容を変える表示部とを有することを特
徴とする打撃検査装置。 In a striking inspection device that detects whether there is an abnormality in a measured object by applying a striking force to the measured object with a hammer, a hitting sensor detects that the hammer hits the measured object, and a detection signal from the hitting sensor a comparison calculation unit that compares the signal with a reference signal; an abnormality level determination unit that determines the degree of abnormality of the object to be measured based on the output of the comparison calculation unit; and the presence or absence of an abnormality output by the abnormality level determination unit; A blow inspection device comprising: a display section that changes display content depending on the degree of abnormality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19932487U JPH01104559U (en) | 1987-12-29 | 1987-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19932487U JPH01104559U (en) | 1987-12-29 | 1987-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01104559U true JPH01104559U (en) | 1989-07-14 |
Family
ID=31489780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19932487U Pending JPH01104559U (en) | 1987-12-29 | 1987-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01104559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04113256A (en) * | 1990-09-04 | 1992-04-14 | Mitsui Eng & Shipbuild Co Ltd | Impact type apparatus for detecting change in structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60259955A (en) * | 1984-06-06 | 1985-12-23 | Chishitsu Keisoku Kk | Electromagnetic hammer |
| JPS61169761A (en) * | 1985-01-22 | 1986-07-31 | Taisei Corp | Gap inspection device |
| JPS61292554A (en) * | 1985-06-20 | 1986-12-23 | Taisei Corp | Diagnosis for scaling of finished surface of building |
| JPS6267448A (en) * | 1985-09-20 | 1987-03-27 | Kajima Corp | Hitting apparatus for separation detector of wall surface tile or the like |
-
1987
- 1987-12-29 JP JP19932487U patent/JPH01104559U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60259955A (en) * | 1984-06-06 | 1985-12-23 | Chishitsu Keisoku Kk | Electromagnetic hammer |
| JPS61169761A (en) * | 1985-01-22 | 1986-07-31 | Taisei Corp | Gap inspection device |
| JPS61292554A (en) * | 1985-06-20 | 1986-12-23 | Taisei Corp | Diagnosis for scaling of finished surface of building |
| JPS6267448A (en) * | 1985-09-20 | 1987-03-27 | Kajima Corp | Hitting apparatus for separation detector of wall surface tile or the like |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04113256A (en) * | 1990-09-04 | 1992-04-14 | Mitsui Eng & Shipbuild Co Ltd | Impact type apparatus for detecting change in structure |
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