JPS6049403U - Steel pipe eccentricity detector - Google Patents
Steel pipe eccentricity detectorInfo
- Publication number
- JPS6049403U JPS6049403U JP14241183U JP14241183U JPS6049403U JP S6049403 U JPS6049403 U JP S6049403U JP 14241183 U JP14241183 U JP 14241183U JP 14241183 U JP14241183 U JP 14241183U JP S6049403 U JPS6049403 U JP S6049403U
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- subtraction circuit
- output
- eccentricity detector
- threshold level
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の鋼管偏心検出装置を示す正面図、第２図
は第１図のものの側面図、第３図はこの考案の一実施例
を示す鋼管偏心検出器の正面図、第４図は第３図のもの
の側面図、第５図は第３図のものに用いる回路のブ画ン
ク図、第６図は第３図のものによる検出特性を示す図で
ある。
１：鋼管、６，７：検出器、８：減算回路、９：比較器
。なお各図中同一符号は同一または相当部分を示すもの
とする。Fig. 1 is a front view showing a conventional steel pipe eccentricity detection device, Fig. 2 is a side view of the device shown in Fig. 1, Fig. 3 is a front view of a steel pipe eccentricity detector showing an embodiment of this invention, and Fig. 4 3 is a side view of the device shown in FIG. 3, FIG. 5 is a block diagram of a circuit used in the device shown in FIG. 3, and FIG. 6 is a diagram showing the detection characteristics of the device shown in FIG. 3. 1: steel pipe, 6, 7: detector, 8: subtraction circuit, 9: comparator. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
位置に対向してそれぞれ配設された２個の非接触式の渦
流式距離検出器と、これらの検出器の出力電圧が入力さ
れ、この入力された電圧の差を算出する減算回路と、こ
の減算回路の出力を所定のスレッショルドレベルと比較
する比較器とを備え、上記減算回路の出力が上記スレッ
ショルドレベルを越えたことにより、鋼管の偏心を検出
するようにしたことを特徴とする鋼管偏心検出器。Two non-contact eddy current distance detectors are placed facing each other at 180° angles around the axis of the steel pipe to be detected, and the output voltages of these detectors are input. , a subtraction circuit that calculates the difference between the input voltages, and a comparator that compares the output of the subtraction circuit with a predetermined threshold level, and when the output of the subtraction circuit exceeds the threshold level, the steel pipe A steel pipe eccentricity detector characterized in that it detects the eccentricity of a steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14241183U JPS6049403U (en) | 1983-09-13 | 1983-09-13 | Steel pipe eccentricity detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14241183U JPS6049403U (en) | 1983-09-13 | 1983-09-13 | Steel pipe eccentricity detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6049403U true JPS6049403U (en) | 1985-04-06 |
Family
ID=30318216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14241183U Pending JPS6049403U (en) | 1983-09-13 | 1983-09-13 | Steel pipe eccentricity detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6049403U (en) |
-
1983
- 1983-09-13 JP JP14241183U patent/JPS6049403U/en active Pending
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