JP2017184317A - 電動アクチュエータ - Google Patents
電動アクチュエータ Download PDFInfo
- Publication number
- JP2017184317A JP2017184317A JP2016063956A JP2016063956A JP2017184317A JP 2017184317 A JP2017184317 A JP 2017184317A JP 2016063956 A JP2016063956 A JP 2016063956A JP 2016063956 A JP2016063956 A JP 2016063956A JP 2017184317 A JP2017184317 A JP 2017184317A
- Authority
- JP
- Japan
- Prior art keywords
- electric actuator
- rotor
- axial direction
- screw shaft
- nut member
- 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
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 31
- 238000005096 rolling process Methods 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
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- 238000009429 electrical wiring Methods 0.000 description 2
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/205—Screw mechanisms comprising alternate power paths, e.g. for fail safe back-up
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2031—Actuator casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2075—Coaxial drive motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Transmission Devices (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
2 筐体
10 遊星歯車減速機
20 ケーシング
24 ロータ
25 モータ
26 ロータインナ(中空回転軸)
29 カバー
31 ボールねじ装置
32 ナット部材
33 ねじ軸
40 リングギヤ
41 サンギヤ
42 遊星ギヤ
43 遊星ギヤキャリア
43a 円筒部
47 針状ころ軸受(スラスト軸受)
48 圧縮コイルばね
50 ターミナル本体
50A 筒状部
50c 開口部
A モータ部
B 運動変換機構部
C 操作部
D ターミナル部
L 筐体の軸方向寸法
M 筐体の径方向寸法
Claims (8)
- 電力の供給を受けて駆動するモータ部と、該モータ部の回転運動を直線運動に変換して出力する運動変換機構部と、前記モータ部および前記運動変換機構部を収容した筐体とを備え、前記運動変換機構部が、前記モータ部のロータの回転中心と同軸に配置されたねじ軸、およびその外周に回転可能に嵌合されたナット部材を有し、前記ロータの回転運動を受けて前記ナット部材が回転するのに伴って前記ねじ軸が軸方向に直線運動する電動アクチュエータであって、
前記筐体は、軸方向に結合された複数部材からなり、
前記モータ部に前記電力を供給するための給電回路を保持したターミナル部が、前記筐体の構成部材により軸方向両側から挟持された筒状部を有することを特徴とする電動アクチュエータ。 - 前記モータ部のステータの少なくとも一部が、前記筒状部の内周に嵌合されている請求項1に記載の電動アクチュエータ。
- 前記ターミナル部が、前記ロータの回転角度を検出する回転角度検出用センサを保持している請求項1又は2に記載の電動アクチュエータ。
- 前記筒状部が、前記筐体の内外を連通させる開口部を有する請求項1〜3の何れか一項に記載に電動アクチュエータ。
- 前記ロータは、前記ナット部材を内周に配置し、軸方向に離間した二箇所に配置された転がり軸受により回転自在に支持された中空回転軸を有し、該中空回転軸は、2つの前記転がり軸受のうち、一方の前記転がり軸受の内側軌道面を有する請求項1〜4の何れか一項に記載の電動アクチュエータ。
- 前記内側軌道面が、前記ナット部材の軸方向幅の内側に配置されている請求項5に記載の電動アクチュエータ。
- 前記運動変換機構部が、前記ロータの回転を減速して前記ナット部材に伝達する減速機を有する請求項1〜6の何れか一項に記載の電動アクチュエータ。
- 前記減速機が遊星歯車減速機である請求項7に記載の電動アクチュエータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016063956A JP6671209B2 (ja) | 2016-03-28 | 2016-03-28 | 電動アクチュエータ |
US16/083,592 US11177718B2 (en) | 2016-03-28 | 2017-03-10 | Electric actuator with screw shaft |
PCT/JP2017/009706 WO2017169657A1 (ja) | 2016-03-28 | 2017-03-10 | 電動アクチュエータ |
EP17774201.2A EP3439155B1 (en) | 2016-03-28 | 2017-03-10 | Electric actuator |
CN201780019496.9A CN108886303A (zh) | 2016-03-28 | 2017-03-10 | 电动致动器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016063956A JP6671209B2 (ja) | 2016-03-28 | 2016-03-28 | 電動アクチュエータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017184317A true JP2017184317A (ja) | 2017-10-05 |
JP6671209B2 JP6671209B2 (ja) | 2020-03-25 |
Family
ID=59964133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016063956A Active JP6671209B2 (ja) | 2016-03-28 | 2016-03-28 | 電動アクチュエータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US11177718B2 (ja) |
EP (1) | EP3439155B1 (ja) |
JP (1) | JP6671209B2 (ja) |
CN (1) | CN108886303A (ja) |
WO (1) | WO2017169657A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023234127A1 (ja) * | 2022-05-31 | 2023-12-07 | パナソニックIpマネジメント株式会社 | モータフレーム及びモータ装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6671209B2 (ja) * | 2016-03-28 | 2020-03-25 | Ntn株式会社 | 電動アクチュエータ |
EP3745566B1 (en) * | 2016-03-30 | 2022-12-07 | NTN Corporation | Electric actuator |
DE102017115183A1 (de) * | 2017-07-06 | 2019-01-10 | Edscha Engineering Gmbh | Antriebsvorrichtung für eine Fahrzeugklappe |
US11035446B2 (en) * | 2018-03-08 | 2021-06-15 | Linak A/S | Linear actuator |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3362967B2 (ja) | 1994-07-08 | 2003-01-07 | 日野自動車株式会社 | 交流電動機の端子構造 |
JP3360023B2 (ja) * | 1997-06-25 | 2002-12-24 | 山洋電気株式会社 | 直進・回転アクチュエータ及び該アクチュエータを備えた巻線機 |
US6081051A (en) * | 1998-05-13 | 2000-06-27 | Sanyo Denki Co., Ltd. | Linear/rotary actuator and winding machine including same |
NL1011142C2 (nl) * | 1999-01-27 | 2000-07-31 | Skf Eng & Res Centre Bv | Compacte actuator. |
NL1013651C2 (nl) | 1999-11-23 | 2001-05-28 | Skf Eng & Res Centre Bv | Actuator met compensatie van uitlijningsverschillen. |
US7140998B2 (en) * | 2004-10-15 | 2006-11-28 | Gear Driving System Co., Ltd. | Device of an improvement on the structure of linear actuator |
JP2008172881A (ja) * | 2007-01-10 | 2008-07-24 | Hitachi Ltd | 電動機および電動機制御装置 |
JP5634610B2 (ja) * | 2011-09-12 | 2014-12-03 | 三菱電機株式会社 | 電動式駆動装置 |
CN103378707B (zh) * | 2012-04-23 | 2017-12-19 | 德昌电机(深圳)有限公司 | 电机、线性驱动器、及使用该线性驱动器的车灯调节器 |
JP6303437B2 (ja) | 2013-11-26 | 2018-04-04 | 日本電産株式会社 | モータ |
JP2015149799A (ja) * | 2014-02-05 | 2015-08-20 | トヨタ紡織株式会社 | 中空モータ |
DE202014103629U1 (de) | 2014-08-05 | 2014-09-18 | Perma Gear Gmbh Magnetische Antriebselemente | Schieber |
JP6765193B2 (ja) * | 2016-01-27 | 2020-10-07 | Ntn株式会社 | 電動アクチュエータ |
JP6647900B2 (ja) | 2016-02-09 | 2020-02-14 | Ntn株式会社 | 電動アクチュエータ |
JP6632909B2 (ja) | 2016-02-18 | 2020-01-22 | Ntn株式会社 | 電動アクチュエータ |
JP6671209B2 (ja) * | 2016-03-28 | 2020-03-25 | Ntn株式会社 | 電動アクチュエータ |
-
2016
- 2016-03-28 JP JP2016063956A patent/JP6671209B2/ja active Active
-
2017
- 2017-03-10 EP EP17774201.2A patent/EP3439155B1/en active Active
- 2017-03-10 WO PCT/JP2017/009706 patent/WO2017169657A1/ja active Application Filing
- 2017-03-10 US US16/083,592 patent/US11177718B2/en active Active
- 2017-03-10 CN CN201780019496.9A patent/CN108886303A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023234127A1 (ja) * | 2022-05-31 | 2023-12-07 | パナソニックIpマネジメント株式会社 | モータフレーム及びモータ装置 |
Also Published As
Publication number | Publication date |
---|---|
CN108886303A (zh) | 2018-11-23 |
JP6671209B2 (ja) | 2020-03-25 |
EP3439155A1 (en) | 2019-02-06 |
US20200313508A1 (en) | 2020-10-01 |
US11177718B2 (en) | 2021-11-16 |
EP3439155A4 (en) | 2019-10-30 |
EP3439155B1 (en) | 2022-07-27 |
WO2017169657A1 (ja) | 2017-10-05 |
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