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1. (WO2019026655) LOAD CELL AND BEARING
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Pub. No.: WO/2019/026655 International Application No.: PCT/JP2018/027407
Publication Date: 07.02.2019 International Filing Date: 20.07.2018
IPC:
G01L 1/22 (2006.01) ,F16C 17/04 (2006.01) ,F16C 41/00 (2006.01) ,G01L 5/00 (2006.01)
G PHYSICS
01
MEASURING; TESTING
L
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
1
Measuring force or stress, in general
20
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
22
using resistance strain gauges
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
17
Sliding-contact bearings for exclusively rotary movement
04
for axial load only
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
41
Other accessories for bearings
G PHYSICS
01
MEASURING; TESTING
L
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
5
Apparatus for, or methods of, measuring force, e.g. due to impact, work, mechanical power, or torque, adapted for special purposes
Applicants:
オイレス工業株式会社 OILES CORPORATION [JP/JP]; 東京都港区港南一丁目2番70号 1-2-70 Konan, Minato-ku, Tokyo 1080075, JP
Inventors:
持丸 昌己 MOCHIMARU, Masami; JP
五十嵐 美照 IGARASHI, Yoshiteru; JP
Agent:
大関 光弘 OHZEKI, Mitsuhiro; JP
Priority Data:
2017-14845631.07.2017JP
Title (EN) LOAD CELL AND BEARING
(FR) CELLULE DE CHARGE ET PALIER
(JA) ロードセルおよび軸受
Abstract:
(EN) Provided are: a load cell capable of accurately measuring a load in a thrust direction; and a bearing using the load cell. This load cell (1) is provided with: a deformable body (2); strain gauge sets (3a-3d) for detecting strain occurring in the deformable body (2). The deformable body (2) has: two annular flat plates (20a, 20b) arranged in the direction of an axis O; and a connection member (21) connecting the annular flat plates (20a, 20b). The connection member (21) comprises a plurality of arms (22) arranged on a circle centered on the axis O, the plurality of arms (22) being positioned at equal intervals and being line-symmetric with respect to the axis O, and the connection member (21) is tilted relative to the axis O. The strain gauge sets (3a-3d) each comprise four strain gauges (30a-30d) constituting a Wheatstone bridge circuit, and are attached to locations line-symmetric with respect to the axis O of the connection member (21).
(FR) L'invention concerne une cellule de charge permettant de mesurer avec précision une charge dans une direction de poussée ; et un palier utilisant la cellule de charge. Ladite cellule de charge (1) comprend : un corps déformable (2) ; des ensembles de jauge de contrainte (3a-3d) permettant de détecter une contrainte se produisant dans le corps déformable (2). Le corps déformable (2) comprend : deux plaques plates annulaires (20a, 20b) disposées dans la direction d'un axe O ; et un élément de liaison (21) reliant les plaques plates annulaires (20a, 20b). L'élément de liaison (21) comprend une pluralité de bras (22) disposés sur un cercle centré sur l'axe O, la pluralité de bras (22) étant positionnés à des intervalles égaux et étant symétriques par rapport à l'axe O, et l'élément de liaison (21) étant incliné par rapport à l'axe O. Les ensembles de jauge de contrainte (3a-3d) comprennent chacun quatre jauges de contrainte (30a-30d) constituant un circuit en pont de Wheatstone, et sont fixés à des emplacements symétriques en ligne par rapport à l'axe O de l'élément de liaison (21).
(JA) スラスト方向の荷重を精度よく測定することのできるロードセルおよびこのロードセルを用いた軸受を提供する。ロードセル(1)は、起歪体(2)と、起歪体(2)に生じた歪みを検出する歪みゲージセット(3a~3d)と、を備えている。起歪体(2)は、軸心O方向に配置された2つの環状平板(20a、20b)と、環状平板(20a、20b)間を連結する連結部材(21)と、を有する。連結部材(21)は、軸心Oを中心とする円周上に等間隔でかつ軸心Oに対して線対称となるように配置された複数のアーム部(22)で構成され、軸心Oに対して傾斜している。歪みゲージセット(3a~3d)は、ホイートストンブリッジ回路を構成する4つの歪みゲージ(30a~30d)で構成され、連結部材(21)の軸心Oに対して線対称な位置にそれぞれに取り付けられている。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)