JP6762114B2 - 電動アクチュエータ - Google Patents
電動アクチュエータ Download PDFInfo
- Publication number
- JP6762114B2 JP6762114B2 JP2016061626A JP2016061626A JP6762114B2 JP 6762114 B2 JP6762114 B2 JP 6762114B2 JP 2016061626 A JP2016061626 A JP 2016061626A JP 2016061626 A JP2016061626 A JP 2016061626A JP 6762114 B2 JP6762114 B2 JP 6762114B2
- Authority
- JP
- Japan
- Prior art keywords
- axial direction
- unit
- electric actuator
- rotor
- screw shaft
- 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
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
- F16C19/32—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly for supporting the end face of a shaft or other member, e.g. footstep bearings
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/545—Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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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
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- 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
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
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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
- 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
-
- 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
- F16H2025/2087—Arrangements for driving the actuator using planetary gears
-
- 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
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
Description
2 筐体
3 第1のアクチュエータユニット
4 第2のアクチュエータユニット
10 遊星歯車減速機(減速機)
20 ケーシング
23 ステータ
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
33b 貫通穴
34 ボール
39 アクチュエータヘッド(操作部)
47 針状ころ軸受(スラスト軸受)
50 ターミナル本体
50A 筒状部
50B 円盤状部
50c 開口部
80 中間ケーシング
91 フランジ付軸部材(操作部)
A モータ部
B 運動変換機構部
C 操作部
D ターミナル部
Claims (7)
- 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ことにより、前記ねじ軸に取り付けられた操作部が操作対象を軸方向に操作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、
電装部品を保持したターミナル部を構成するターミナル本体が、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と共に、該筒状部に前記筐体の内外を連通させる開口部が設けられ、
前記電装部品は、前記モータ部に駆動電力を供給するための給電回路、および前記モータ部の回転制御に用いる回転角度検出用センサを含んでおり、
前記ねじ軸が、軸方向に延びた貫通穴を有する中空状に形成され、
前記筒状部に、前記モータ部のステータの少なくとも一部が嵌合されていることを特徴とする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前記筐体に対して回転自在に支持された中空回転軸を有し、
前記ターミナル本体に、2つの前記転がり軸受が装着されていない請求項1に記載の電動アクチュエータ。 - 前記中空回転軸は、2つの前記転がり軸受のうち、一方の転がり軸受の内側軌道面を有する請求項2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3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1〜4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5に記載の電動アクチュエータ。
- それぞれが前記モータ部、前記運動変換機構部および前記ターミナル部を有する2つ以上のアクチュエータユニットを軸方向に連ねて同軸配置してなる請求項1〜6の何れか一項に記載の電動アクチュエータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016061626A JP6762114B2 (ja) | 2016-03-25 | 2016-03-25 | 電動アクチュエータ |
CN201780019355.7A CN108886297B (zh) | 2016-03-25 | 2017-03-09 | 电动致动器 |
US16/082,575 US20190085957A1 (en) | 2016-03-25 | 2017-03-09 | Electrically driven actuator |
EP17769953.5A EP3435527A4 (en) | 2016-03-25 | 2017-03-09 | ELECTRICALLY OPERATED ACTUATOR |
PCT/JP2017/009524 WO2017163908A1 (ja) | 2016-03-25 | 2017-03-09 | 電動アクチュエータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016061626A JP6762114B2 (ja) | 2016-03-25 | 2016-03-25 | 電動アクチュエータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017175837A JP2017175837A (ja) | 2017-09-28 |
JP6762114B2 true JP6762114B2 (ja) | 2020-09-30 |
Family
ID=59901242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016061626A Active JP6762114B2 (ja) | 2016-03-25 | 2016-03-25 | 電動アクチュエータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20190085957A1 (ja) |
EP (1) | EP3435527A4 (ja) |
JP (1) | JP6762114B2 (ja) |
CN (1) | CN108886297B (ja) |
WO (1) | WO2017163908A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6765193B2 (ja) * | 2016-01-27 | 2020-10-07 | Ntn株式会社 | 電動アクチュエータ |
JP6682316B2 (ja) * | 2016-03-29 | 2020-04-15 | Ntn株式会社 | 電動アクチュエータ |
EP3432097A1 (de) * | 2017-07-20 | 2019-01-23 | Siemens Aktiengesellschaft | Summenstreams für istzustände und steuersignale eines verteilten steuerungssystems |
CN107612205B (zh) * | 2017-08-21 | 2019-12-20 | 北京精密机电控制设备研究所 | 一种机电作动器及其控制方法 |
JP7183587B2 (ja) * | 2018-06-29 | 2022-12-06 | 日本電産トーソク株式会社 | 電動アクチュエータ |
US11410694B2 (en) * | 2018-07-19 | 2022-08-09 | Western Digital Technologies, Inc. | Axial flux permanent magnet motor for ball screw cam elevator mechanism for reduced-head hard disk drive |
JP7383915B2 (ja) * | 2018-10-09 | 2023-11-21 | 日本精工株式会社 | アクチュエータ |
US11784535B2 (en) | 2018-10-09 | 2023-10-10 | Nsk Ltd. | Actuator |
US11383071B2 (en) * | 2020-03-10 | 2022-07-12 | Long Xiao | Tattoo device with motor having built-in motion conversion member |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521707A (en) * | 1983-12-12 | 1985-06-04 | The Boeing Company | Triple redundant electromechanical linear actuator and method |
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 |
JP2003329070A (ja) * | 2002-05-15 | 2003-11-19 | Nissin Kogyo Co Ltd | 電気式ディスクブレーキ |
US7190096B2 (en) * | 2004-06-04 | 2007-03-13 | The Boeing Company | Fault-tolerant electro-mechanical actuator having motor armatures to drive a ram and having an armature release mechanism |
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 |
-
2016
- 2016-03-25 JP JP2016061626A patent/JP6762114B2/ja active Active
-
2017
- 2017-03-09 WO PCT/JP2017/009524 patent/WO2017163908A1/ja active Application Filing
- 2017-03-09 US US16/082,575 patent/US20190085957A1/en not_active Abandoned
- 2017-03-09 CN CN201780019355.7A patent/CN108886297B/zh not_active Expired - Fee Related
- 2017-03-09 EP EP17769953.5A patent/EP3435527A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN108886297B (zh) | 2021-01-08 |
JP2017175837A (ja) | 2017-09-28 |
US20190085957A1 (en) | 2019-03-21 |
EP3435527A4 (en) | 2019-10-23 |
CN108886297A (zh) | 2018-11-23 |
WO2017163908A1 (ja) | 2017-09-28 |
EP3435527A1 (en) | 2019-01-30 |
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