CN117693641A - 直动致动器 - Google Patents

直动致动器 Download PDF

Info

Publication number
CN117693641A
CN117693641A CN202380012807.4A CN202380012807A CN117693641A CN 117693641 A CN117693641 A CN 117693641A CN 202380012807 A CN202380012807 A CN 202380012807A CN 117693641 A CN117693641 A CN 117693641A
Authority
CN
China
Prior art keywords
screw shaft
stopper
nut
outer peripheral
peripheral surface
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.)
Pending
Application number
CN202380012807.4A
Other languages
English (en)
Chinese (zh)
Inventor
坂井幹史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NSK Ltd filed Critical NSK Ltd
Publication of CN117693641A publication Critical patent/CN117693641A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • 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
    • 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
    • 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
    • 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
    • F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
    • 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
    • F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
    • 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
    • F16H2025/2081—Parallel arrangement of drive motor to screw axis

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
CN202380012807.4A 2022-04-22 2023-04-04 直动致动器 Pending CN117693641A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022071135 2022-04-22
JP2022-071135 2022-04-22
PCT/JP2023/013952 WO2023204016A1 (ja) 2022-04-22 2023-04-04 直動アクチュエータ

Publications (1)

Publication Number Publication Date
CN117693641A true CN117693641A (zh) 2024-03-12

Family

ID=88419838

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380012807.4A Pending CN117693641A (zh) 2022-04-22 2023-04-04 直动致动器

Country Status (5)

Country Link
US (1) US12072004B1 (https=)
JP (1) JP7392903B1 (https=)
CN (1) CN117693641A (https=)
DE (1) DE112023000635T5 (https=)
WO (1) WO2023204016A1 (https=)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009036884A1 (de) * 2009-08-10 2011-05-19 Schaeffler Technologies Gmbh & Co. Kg Kugelgewindetrieb, mit axial abgestützter Gewindespindel
DE102011050814B3 (de) * 2011-06-01 2012-08-23 Sfs Intec Holding Ag Welle mit einem Lager
DE102016216496A1 (de) * 2016-09-01 2018-03-01 Schaeffler Technologies AG & Co. KG Gewindetrieb
JP2019056460A (ja) * 2017-09-22 2019-04-11 Ntn株式会社 電動アクチュエータ
US11209060B2 (en) * 2018-04-25 2021-12-28 Mando Corporation Electromechanical brake caliper with rolling friction motion converters
JP2020143693A (ja) * 2019-03-04 2020-09-10 Ntn株式会社 直動アクチュエータ
US11536355B2 (en) * 2019-08-28 2022-12-27 Koyo Bearings North America Llc Segmented spring for a ball screw
KR102670367B1 (ko) * 2019-08-29 2024-05-30 현대모비스 주식회사 차고 조절장치
JP2021042801A (ja) 2019-09-10 2021-03-18 日本精工株式会社 ボールねじ装置
EP4100665A1 (en) * 2020-02-04 2022-12-14 Koyo Bearings North America LLC Stop pin for a ball screw assembly
EP4199320B1 (en) 2020-10-23 2025-08-13 NSK Ltd. Linear actuator
WO2023276822A1 (ja) * 2021-07-01 2023-01-05 日本精工株式会社 ボールねじ装置
WO2023026808A1 (ja) * 2021-08-24 2023-03-02 日本精工株式会社 ボールねじ装置およびその製造方法
US20240060551A1 (en) * 2022-08-19 2024-02-22 Jtekt Bearings North America Llc Linear actuator having wobble joint

Also Published As

Publication number Publication date
WO2023204016A1 (ja) 2023-10-26
US12072004B1 (en) 2024-08-27
US20240263690A1 (en) 2024-08-08
JP7392903B1 (ja) 2023-12-06
DE112023000635T5 (de) 2024-11-21
JPWO2023204016A1 (https=) 2023-10-26

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