JPH01166127U - - Google Patents

Info

Publication number
JPH01166127U
JPH01166127U JP1988055698U JP5569888U JPH01166127U JP H01166127 U JPH01166127 U JP H01166127U JP 1988055698 U JP1988055698 U JP 1988055698U JP 5569888 U JP5569888 U JP 5569888U JP H01166127 U JPH01166127 U JP H01166127U
Authority
JP
Japan
Prior art keywords
rotating shaft
inner ring
rolling bearing
protective rolling
magnetic
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
JP1988055698U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1988055698U priority Critical patent/JPH01166127U/ja
Publication of JPH01166127U publication Critical patent/JPH01166127U/ja
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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例における保護用ころ
がり軸受と回転軸との間に設けられた隙間を示す
拡大図、第２図は磁気軸受を用いた回転装置の一
例であるモータの構成を示す断面図、第３図は従
来の保護用ころがり軸受と回転軸との間に設けら
れた隙間を示す拡大図である。 ２…回転軸、５…ラジアル磁気軸受、６…スラ
スト磁気軸受、１２…保護用ころがり軸受、１２
ａ…内輪、１３…環状突部。 Fig. 1 is an enlarged view showing the gap provided between the protective rolling bearing and the rotating shaft in an embodiment of the present invention, and Fig. 2 shows the configuration of a motor, which is an example of a rotating device using magnetic bearings. The sectional view shown in FIG. 3 is an enlarged view showing a gap provided between a conventional protective rolling bearing and a rotating shaft. 2... Rotating shaft, 5... Radial magnetic bearing, 6... Thrust magnetic bearing, 12... Protective rolling bearing, 12
a... Inner ring, 13... Annular protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸と、該回転軸を磁気作用によつて非接触
状態で支持する磁気軸受と、その内輪と前記回転
軸の外周面との間に隙間が空くように前記回転軸
の外周に設けられた保護用ころがり軸受とを具備
してなる回転装置において、前記保護用ころがり
軸受内輪及び該保護用ころがり軸受内輪と向かい
合う前記回転軸の外周面の少なくともいずれか一
方に、該回転軸の周方向に沿つて環状突部を設け
たことを特徴とする回転装置。 A rotating shaft, a magnetic bearing that supports the rotating shaft in a non-contact state by magnetic action, and a magnetic bearing provided on the outer periphery of the rotating shaft so that a gap is left between the inner ring and the outer peripheral surface of the rotating shaft. In a rotating device comprising a protective rolling bearing, at least one of the protective rolling bearing inner ring and the outer circumferential surface of the rotating shaft facing the protective rolling bearing inner ring is provided along the circumferential direction of the rotating shaft. A rotating device characterized by being provided with an annular protrusion.
JP1988055698U 1988-04-25 1988-04-25 Pending JPH01166127U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988055698U JPH01166127U (en) 1988-04-25 1988-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988055698U JPH01166127U (en) 1988-04-25 1988-04-25

Publications (1)

Publication Number Publication Date
JPH01166127U true JPH01166127U (en) 1989-11-21

Family

ID=31281602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988055698U Pending JPH01166127U (en) 1988-04-25 1988-04-25

Country Status (1)

Country Link
JP (1) JPH01166127U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60164012A (en) * 1984-02-03 1985-08-27 Toshiba Corp Magnetic bearing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60164012A (en) * 1984-02-03 1985-08-27 Toshiba Corp Magnetic bearing device

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