JPWO2014068761A1 - ロードセル - Google Patents
ロードセル Download PDFInfo
- Publication number
- JPWO2014068761A1 JPWO2014068761A1 JP2014544173A JP2014544173A JPWO2014068761A1 JP WO2014068761 A1 JPWO2014068761 A1 JP WO2014068761A1 JP 2014544173 A JP2014544173 A JP 2014544173A JP 2014544173 A JP2014544173 A JP 2014544173A JP WO2014068761 A1 JPWO2014068761 A1 JP WO2014068761A1
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- load cell
- fixed
- strain
- end portion
- 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
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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
- G01L1/26—Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/005—Means for preventing overload
-
- 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
- G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
-
- 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
- G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
- G01L1/2243—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being parallelogram-shaped
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Force In General (AREA)
Abstract
Description
前記ストッパの先端部を前記起歪体の可動部よりも幅広に形成して、前記可動部の幅方向外側に突出するように構成した。
12 起歪体
13 貫通孔
14 上ビーム
15 下ビーム
16 固定部
17 可動部
18 薄肉部
19 凹部
19a 凹部のエッジ部
20 歪ゲージ
30 ストッパ
32 ストッパ先端部
32b ストッパ先端部の可動部側面からの突出部分
34 ストッパ基端部
36 側板部
Claims (6)
- 薄肉部が形成された上下一対の平行ビームのそれぞれの端部が固定部と可動部で接続一体化されたロバーバル機構である起歪体と、前記固定部に固定されて前記一対のビーム間に配設された過荷重防止用ストッパとを備え、前記可動部の(前記固定部に対向する)内側面には、起歪体(該可動部)の幅方向に延びるストッパ係合用凹部が設けられ、前記ストッパは、その基端部が前記固定部に固定されてその先端部が前記凹部内に所定のクリアランスをもって配置されたロードセルであって、
前記ストッパの先端部は、前記起歪体の可動部よりも幅広に形成されて、前記可動部の幅方向外側に突出することを特徴とするロードセル。 - 前記ストッパの基端部は、前記固定部の左右の外側面の少なくとも一方と面接触する幅広の側板部を備え、該側板部が前記固定部の左右の外側面に固定されたことを特徴とする請求項1に記載のロードセル。
- 前記側板部は、前記ストッパの先端部の幅方向両側にそれぞれ設けられ、該一対の側板部がそれぞれ前記固定部の左右の外側面に固定されたことを特徴とする請求項2に記載のロードセル。
- 前記ストッパの基端部は、前記固定部の基端面に面接触する端板部を備え、該端板部が前記固定部の基端面に固定されたことを特徴とする請求項1〜3のいずれか1に記載のロードセル。
- 前記ストッパは、前記起歪体の幅方向に2つに分割されており、該2つの分割ストッパそれぞれが前記起歪体の固定部に固定されたことを特徴とする請求項1〜4のいずれか1に記載のロードセル。
- 前記ストッパは、上下高さが一定で、水平断面コ字型(略U字型)に形成され、一対のコ字横棒状部が前記起歪体の固定部の左右の外側面に固定されたことを特徴とする請求項1に記載のロードセル。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/078447 WO2014068761A1 (ja) | 2012-11-02 | 2012-11-02 | ロードセル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2014068761A1 true JPWO2014068761A1 (ja) | 2016-09-08 |
JP6016937B2 JP6016937B2 (ja) | 2016-10-26 |
Family
ID=50626725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014544173A Active JP6016937B2 (ja) | 2012-11-02 | 2012-11-02 | ロードセル |
Country Status (4)
Country | Link |
---|---|
US (1) | US9778120B2 (ja) |
JP (1) | JP6016937B2 (ja) |
CN (1) | CN104603590B (ja) |
WO (1) | WO2014068761A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10595951B2 (en) * | 2016-08-15 | 2020-03-24 | Covidien Lp | Force sensor for surgical devices |
DE102017104349A1 (de) * | 2017-03-02 | 2018-09-06 | Bizerba SE & Co. KG | Wägezelle für eine Waage |
JP6967914B2 (ja) * | 2017-08-15 | 2021-11-17 | ミネベアミツミ株式会社 | 荷重変換器 |
JP7061718B2 (ja) * | 2017-08-15 | 2022-04-28 | ミネベアミツミ株式会社 | 荷重変換器 |
CN108593059B (zh) * | 2018-05-30 | 2019-12-31 | 张阿宁 | 一种多梁式结构弹性元件 |
CN110836714A (zh) * | 2018-08-17 | 2020-02-25 | 测量专业股份有限公司 | 具有超载保护的荷重单元 |
CN108692798A (zh) | 2018-08-21 | 2018-10-23 | 上海寺冈电子有限公司 | 称重传感器及包括其的称重秤 |
US11698309B2 (en) * | 2020-03-05 | 2023-07-11 | Delta Electronics, Inc. | Linear actuator |
CN112033585B (zh) * | 2020-09-01 | 2023-01-03 | 天津动网信息科技有限公司 | 可焊接安装的应力传感装置 |
CN116989876A (zh) * | 2023-07-27 | 2023-11-03 | 中山精量衡器制造有限公司 | 具有过载保护功能的称重装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0357934A (ja) * | 1989-07-27 | 1991-03-13 | Orientetsuku:Kk | 複合並行ビーム型ロードセル |
EP1070945A1 (fr) * | 1999-07-23 | 2001-01-24 | Sidel | Capteur d'effort comportant un dispositif de protection contre les surcharges |
JP2002365125A (ja) * | 2001-06-08 | 2002-12-18 | A & D Co Ltd | ロバーバル機構および同ロバーバル機構の四隅誤差調整方法 |
US20030097887A1 (en) * | 2001-11-26 | 2003-05-29 | Interface, Inc. | Load cell having overload protection |
WO2012049714A1 (ja) * | 2010-10-15 | 2012-04-19 | 大和製衡株式会社 | 過負荷防止機構を備えたロードセル |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254841A (en) * | 1979-10-17 | 1981-03-10 | Maatschappij Van Berkel's Patent N.V. | Load cell overload protection device |
US4419902A (en) * | 1981-10-02 | 1983-12-13 | Maatschappij Van Berkel's Patent N.V. | Constant strain load cell |
JPS58182132U (ja) * | 1982-05-31 | 1983-12-05 | 株式会社寺岡精工 | ロ−ドセル |
JPS6247929U (ja) | 1985-09-12 | 1987-03-24 | ||
EP0227850B1 (de) * | 1985-12-20 | 1988-06-15 | Hottinger Baldwin Messtechnik Gmbh | Kraftaufnehmer |
JP2506104Y2 (ja) | 1991-11-28 | 1996-08-07 | 株式会社テック | ロ―ドセル秤 |
US5313023A (en) * | 1992-04-03 | 1994-05-17 | Weigh-Tronix, Inc. | Load cell |
JP3314107B2 (ja) * | 1993-07-22 | 2002-08-12 | 株式会社イシダ | 加速度センサの取付構造 |
US6472618B1 (en) * | 1999-03-30 | 2002-10-29 | A&D Co., Ltd. | Electronic weighing scale using general purpose block member |
JP2010249731A (ja) | 2009-04-17 | 2010-11-04 | Yamato Scale Co Ltd | 過負荷防止機構を備えたロードセル |
-
2012
- 2012-11-02 US US14/438,384 patent/US9778120B2/en active Active
- 2012-11-02 WO PCT/JP2012/078447 patent/WO2014068761A1/ja active Application Filing
- 2012-11-02 JP JP2014544173A patent/JP6016937B2/ja active Active
- 2012-11-02 CN CN201280075591.8A patent/CN104603590B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0357934A (ja) * | 1989-07-27 | 1991-03-13 | Orientetsuku:Kk | 複合並行ビーム型ロードセル |
EP1070945A1 (fr) * | 1999-07-23 | 2001-01-24 | Sidel | Capteur d'effort comportant un dispositif de protection contre les surcharges |
JP2002365125A (ja) * | 2001-06-08 | 2002-12-18 | A & D Co Ltd | ロバーバル機構および同ロバーバル機構の四隅誤差調整方法 |
US20030097887A1 (en) * | 2001-11-26 | 2003-05-29 | Interface, Inc. | Load cell having overload protection |
WO2012049714A1 (ja) * | 2010-10-15 | 2012-04-19 | 大和製衡株式会社 | 過負荷防止機構を備えたロードセル |
Also Published As
Publication number | Publication date |
---|---|
CN104603590B (zh) | 2017-06-23 |
US9778120B2 (en) | 2017-10-03 |
WO2014068761A1 (ja) | 2014-05-08 |
US20150285695A1 (en) | 2015-10-08 |
CN104603590A (zh) | 2015-05-06 |
JP6016937B2 (ja) | 2016-10-26 |
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