FI20145089A - Method for Expansion of Ball Screw Slit and Drive Mechanism with Ball Screw Expansion for Fine Movement of Control Rods - Google Patents

Method for Expansion of Ball Screw Slit and Drive Mechanism with Ball Screw Expansion for Fine Movement of Control Rods Download PDF

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Publication number
FI20145089A
FI20145089A FI20145089A FI20145089A FI20145089A FI 20145089 A FI20145089 A FI 20145089A FI 20145089 A FI20145089 A FI 20145089A FI 20145089 A FI20145089 A FI 20145089A FI 20145089 A FI20145089 A FI 20145089A
Authority
FI
Finland
Prior art keywords
expansion
ball screw
drive mechanism
fine movement
control rods
Prior art date
Application number
FI20145089A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI125265B (en
Inventor
Yuuichi Matsushita
Toshihiro Kodama
Kiyoshi Harada
Hirokazu Akatsuka
Takahiro Tsuchiya
Original Assignee
Hitachi Ge Nuclear Energy 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 Hitachi Ge Nuclear Energy Ltd filed Critical Hitachi Ge Nuclear Energy Ltd
Publication of FI20145089A publication Critical patent/FI20145089A/en
Application granted granted Critical
Publication of FI125265B publication Critical patent/FI125265B/en

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/12—Means for moving control elements to desired position
    • G21C7/14—Mechanical drive arrangements
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Transmission Devices (AREA)
FI20145089A 2013-02-20 2014-01-28 Method for Expansion of Ball Screw Slit and Drive Mechanism with Ball Screw Expansion for Fine Movement of Nuclear Reactor Control Rods FI125265B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013030545 2013-02-20
JP2013030545A JP5963311B2 (en) 2013-02-20 2013-02-20 Drive screw clearance expanding method and control rod drive mechanism using these drive screws

Publications (2)

Publication Number Publication Date
FI20145089A true FI20145089A (en) 2014-08-21
FI125265B FI125265B (en) 2015-08-14

Family

ID=51350159

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20145089A FI125265B (en) 2013-02-20 2014-01-28 Method for Expansion of Ball Screw Slit and Drive Mechanism with Ball Screw Expansion for Fine Movement of Nuclear Reactor Control Rods

Country Status (3)

Country Link
US (2) US9695918B2 (en)
JP (1) JP5963311B2 (en)
FI (1) FI125265B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106409366B (en) * 2016-11-14 2018-01-02 清华大学天津高端装备研究院 A kind of grabbing device of fuel assembly
CN111219464A (en) * 2019-11-18 2020-06-02 歌尔股份有限公司 Axial drive mechanism and electromechanical device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6110158A (en) * 1984-06-25 1986-01-17 Ntn Toyo Bearing Co Ltd Ball screw
JPS62149886A (en) 1985-12-24 1987-07-03 Kawasaki Steel Corp Manufacture of surface coated steel pipe having superior corrosion resistance
JPS63169597A (en) * 1987-01-07 1988-07-13 株式会社東芝 Electric type control-rod drive mechanism
JPS6455356U (en) * 1987-09-30 1989-04-05
JPH02221894A (en) * 1989-02-21 1990-09-04 Mitsubishi Atom Power Ind Inc Control rod driving device
JP2760663B2 (en) * 1991-03-06 1998-06-04 株式会社東芝 Control rod drive mechanism
JPH06288458A (en) 1993-03-31 1994-10-11 Tsubakimoto Seiko:Kk Ball screw with removable screw shaft, and reactor control rod driving device utilizing this ball screw
JP3935618B2 (en) * 1998-07-23 2007-06-27 Ｎｔｎ株式会社 Ball screw
JP2003329101A (en) * 2002-05-14 2003-11-19 Nsk Ltd Ball screw
JP2004150587A (en) * 2002-10-31 2004-05-27 Nsk Ltd Spacer for linear motion device and linear motion device
JP4193530B2 (en) * 2003-03-17 2008-12-10 株式会社ジェイテクト Electric power steering device
JP2005076650A (en) 2003-08-29 2005-03-24 Nsk Ltd Ball screw
ES2255427B2 (en) 2004-10-22 2007-08-16 Shuton, S.A. PRE-LOADED BALL SPINDLE PERFECTED WITH PROFILED THREAD WITH MULTIPLE GOTICO-OJIVAL ARC SHAPE.
JP2009063075A (en) 2007-09-06 2009-03-26 Nsk Ltd Ball screw and its manufacturing method
JP4560091B2 (en) * 2008-01-23 2010-10-13 日立Ｇｅニュークリア・エナジー株式会社 Control rod position detection device and control rod drive mechanism
JP5420922B2 (en) * 2009-02-06 2014-02-19 株式会社日本自動車部品総合研究所 Electric power steering device
JP5537225B2 (en) 2010-03-31 2014-07-02 日立Ｇｅニュークリア・エナジー株式会社 Improved control rod drive mechanism handling device and method of handling the device

Also Published As

Publication number Publication date
JP5963311B2 (en) 2016-08-03
FI125265B (en) 2015-08-14
US20140230585A1 (en) 2014-08-21
US9695918B2 (en) 2017-07-04
US9822859B2 (en) 2017-11-21
JP2014160010A (en) 2014-09-04
US20170268642A1 (en) 2017-09-21

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