JPH0287120U - - Google Patents

Info

Publication number
JPH0287120U
JPH0287120U JP10937589U JP10937589U JPH0287120U JP H0287120 U JPH0287120 U JP H0287120U JP 10937589 U JP10937589 U JP 10937589U JP 10937589 U JP10937589 U JP 10937589U JP H0287120 U JPH0287120 U JP H0287120U
Authority
JP
Japan
Prior art keywords
touch
bearing
magnetic bearing
radial
shock absorption
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
Application number
JP10937589U
Other languages
Japanese (ja)
Other versions
JPH0343467Y2 (en
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 JP1989109375U priority Critical patent/JPH0343467Y2/ja
Publication of JPH0287120U publication Critical patent/JPH0287120U/ja
Application granted granted Critical
Publication of JPH0343467Y2 publication Critical patent/JPH0343467Y2/ja
Expired 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
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings
    • 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
    • F16C32/0459—Details of the magnetic circuit
    • F16C32/0461—Details of the magnetic circuit of stationary parts of the magnetic circuit
    • F16C32/0465—Details of the magnetic circuit of stationary parts of the magnetic circuit with permanent magnets provided in the magnetic circuit of the electromagnets

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Support Of The Bearing (AREA)
  • Vibration Prevention Devices (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

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

第１図は従来の磁気軸受の実施例を示す縦断面
図、第２図はこの考案にかかる磁気軸受の実施例
を示す縦断面図である。 図において、１は固定体、２は回転体、３ａ，
３ｂは上下タツチダウンベアリング、４ａ，４ｂ
は回転体の上下ヨーク、５ａ，５ｂは上下永久磁
石、６ａ，６ｂは固定体の上下ヨーク、７ａ，７
ｂはその励磁コイル、８はモーターのステーター
、９はモーターのローター、１０は位置検出装置
、１１は位置制御装置、１２はその増幅器、１３
ａ，１３ｂは上下スラスト衝撃吸収装置、１３ｃ
，１３ｄは上下ラジアル衝撃吸収装置である。な
お、図中同一符号はそれぞれ同一又は相当部分を
示す。 FIG. 1 is a longitudinal sectional view showing an embodiment of a conventional magnetic bearing, and FIG. 2 is a longitudinal sectional view showing an embodiment of a magnetic bearing according to the present invention. In the figure, 1 is a fixed body, 2 is a rotating body, 3a,
3b is the upper and lower touch down bearing, 4a, 4b
are the upper and lower yokes of the rotating body, 5a and 5b are the upper and lower permanent magnets, 6a and 6b are the upper and lower yokes of the fixed body, and 7a and 7 are the upper and lower yokes of the rotating body.
b is its excitation coil, 8 is a stator of the motor, 9 is a rotor of the motor, 10 is a position detection device, 11 is a position control device, 12 is its amplifier, 13
a, 13b are vertical thrust shock absorbers, 13c
, 13d are upper and lower radial shock absorbers. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】 磁気の力を用いて回転体を固定側に対して浮上
させて軸受する磁気軸受において、 タツチダウンベアリングをラジアル方向の衝撃
吸収装置とスラスト方向の衝撃吸収装置とで固定
側に支持し、上記タツチダウンベアリングをラジ
アルおよびスラスト方向に移動可能とすることに
より、異常事態のタツチダウン時における危険を
低減し、磁気軸受のタツチダウン後の機械的精度
の再現を可能とすることを特徴とする磁気軸受。[Scope of Claim for Utility Model Registration] In a magnetic bearing that levitates a rotating body relative to a stationary side using magnetic force, the touch-down bearing is equipped with a radial shock absorption device and a thrust direction shock absorption device. By supporting it on the fixed side and making the touch-down bearing movable in the radial and thrust directions, it is possible to reduce the danger during touch-down in an abnormal situation and to reproduce the mechanical accuracy of the magnetic bearing after touch-down. A magnetic bearing featuring
JP1989109375U 1989-09-19 1989-09-19 Expired JPH0343467Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989109375U JPH0343467Y2 (en) 1989-09-19 1989-09-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989109375U JPH0343467Y2 (en) 1989-09-19 1989-09-19

Publications (2)

Publication Number Publication Date
JPH0287120U true JPH0287120U (en) 1990-07-10
JPH0343467Y2 JPH0343467Y2 (en) 1991-09-11

Family

ID=31345564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989109375U Expired JPH0343467Y2 (en) 1989-09-19 1989-09-19

Country Status (1)

Country Link
JP (1) JPH0343467Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH056221U (en) * 1991-07-08 1993-01-29 セイコー精機株式会社 Magnetic bearing type spindle
WO2014032727A1 (en) * 2012-08-31 2014-03-06 Siemens Aktiengesellschaft Backup bearing for backing up a shaft of a machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930977A (en) * 1972-07-20 1974-03-19
JPS5548000A (en) * 1978-09-28 1980-04-05 Teldix Gmbh Flyywheel or reaction car

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930977A (en) * 1972-07-20 1974-03-19
JPS5548000A (en) * 1978-09-28 1980-04-05 Teldix Gmbh Flyywheel or reaction car

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH056221U (en) * 1991-07-08 1993-01-29 セイコー精機株式会社 Magnetic bearing type spindle
WO2014032727A1 (en) * 2012-08-31 2014-03-06 Siemens Aktiengesellschaft Backup bearing for backing up a shaft of a machine

Also Published As

Publication number Publication date
JPH0343467Y2 (en) 1991-09-11

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