JP7185723B2 - ロードセル - Google Patents
ロードセル Download PDFInfo
- Publication number
- JP7185723B2 JP7185723B2 JP2021080242A JP2021080242A JP7185723B2 JP 7185723 B2 JP7185723 B2 JP 7185723B2 JP 2021080242 A JP2021080242 A JP 2021080242A JP 2021080242 A JP2021080242 A JP 2021080242A JP 7185723 B2 JP7185723 B2 JP 7185723B2
- Authority
- JP
- Japan
- Prior art keywords
- strain
- generating body
- load
- load cell
- strain gauge
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Description
cmの範囲とし、ここでは、具体的には直径10cmでありながら金型で生じる数t~数千tの力を許容荷重と想定して換算すると、少なくとも150kgf/mm2 を超える圧縮荷重で塑性変形しない起歪体とすれば、前記具体例の直径10cm(面積約78.5cm2)では、約1180tfを許容荷重とすることができる。
2 起歪体
3 荷重受け部
4 歪ゲージ
4a 第1歪ゲージ
4b 第2歪ゲージ
5 保護体
Claims (2)
- 金型装置に内装され、金型で生じる数t~数千tの圧縮荷重を計測するロードセルであって、150kgf/mm2 を超える圧縮荷重で塑性変形しない材質で、荷重受け部分と一体とされたコラム型で直径15cm未満の起歪体と、この起歪体の軸方向の途中位置の周面に設けた歪ゲージと、前記歪ゲージを設けた前記起歪体の中央部に被覆され、該起歪体の歪みに追従する保護体とを有し、前記起歪体の周辺には、前記荷重受け部、前記歪ゲージ、前記保護体のみが存在する構成とされたロードセル。
- 前記歪ゲージは、一方端側と他方端側とを往復するように複数折り返された抵抗体の前記往復方向が、前記起歪体の軸と平行とされた第1歪ゲージと、前記起歪体の軸と直交とされた第2歪ゲージと、を1対とした請求項1記載のロードセル。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021080242A JP7185723B2 (ja) | 2021-05-11 | 2021-05-11 | ロードセル |
PCT/JP2021/024933 WO2022239260A1 (ja) | 2021-05-11 | 2021-07-01 | ロードセル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021080242A JP7185723B2 (ja) | 2021-05-11 | 2021-05-11 | ロードセル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022174445A JP2022174445A (ja) | 2022-11-24 |
JP7185723B2 true JP7185723B2 (ja) | 2022-12-07 |
Family
ID=84028111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021080242A Active JP7185723B2 (ja) | 2021-05-11 | 2021-05-11 | ロードセル |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7185723B2 (ja) |
WO (1) | WO2022239260A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040251059A1 (en) | 2003-06-10 | 2004-12-16 | The Flintec Group, Ltd. | Compression column load cell |
JP2008232670A (ja) | 2007-03-16 | 2008-10-02 | Tohnichi Mfg Co Ltd | ひずみゲージ式トルク変換器の製作方法及びひずみゲージ式トルク変換器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07113587B2 (ja) * | 1991-02-27 | 1995-12-06 | 計測技販株式会社 | 衝撃荷重用ロードセル |
JPH0581672U (ja) * | 1992-04-10 | 1993-11-05 | 大和製衡株式会社 | ロードセル |
JP2566191B2 (ja) * | 1993-07-05 | 1996-12-25 | 中小企業事業団 | 鍛造機の鍛造状態計測装置 |
JP3499321B2 (ja) * | 1995-03-14 | 2004-02-23 | 大和化成工業株式会社 | 圧力検出ピン |
US5837946A (en) * | 1995-06-16 | 1998-11-17 | Weigh-Tronix, Inc. | Force sensitive scale and dual load sensor cell for use therewith |
JPH09229785A (ja) * | 1996-02-27 | 1997-09-05 | Kubota Corp | ロードセル |
JPH11223565A (ja) * | 1997-12-01 | 1999-08-17 | Mitsubishi Materials Corp | 荷重センサ |
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2021
- 2021-05-11 JP JP2021080242A patent/JP7185723B2/ja active Active
- 2021-07-01 WO PCT/JP2021/024933 patent/WO2022239260A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040251059A1 (en) | 2003-06-10 | 2004-12-16 | The Flintec Group, Ltd. | Compression column load cell |
JP2008232670A (ja) | 2007-03-16 | 2008-10-02 | Tohnichi Mfg Co Ltd | ひずみゲージ式トルク変換器の製作方法及びひずみゲージ式トルク変換器 |
Also Published As
Publication number | Publication date |
---|---|
JP2022174445A (ja) | 2022-11-24 |
WO2022239260A1 (ja) | 2022-11-17 |
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