JPH0487016U - - Google Patents

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Publication number
JPH0487016U
JPH0487016U JP13032190U JP13032190U JPH0487016U JP H0487016 U JPH0487016 U JP H0487016U JP 13032190 U JP13032190 U JP 13032190U JP 13032190 U JP13032190 U JP 13032190U JP H0487016 U JPH0487016 U JP H0487016U
Authority
JP
Japan
Prior art keywords
magnetic sensor
permanent magnet
monitoring device
bearing
wear monitoring
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
JP13032190U
Other languages
Japanese (ja)
Other versions
JPH0547293Y2 (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 JP1990130321U priority Critical patent/JPH0547293Y2/ja
Publication of JPH0487016U publication Critical patent/JPH0487016U/ja
Application granted granted Critical
Publication of JPH0547293Y2 publication Critical patent/JPH0547293Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Sliding-Contact Bearings (AREA)

Description

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

第１図は本考案に係る磁気センサによる軸受摩
耗監視装置をキヤンドモータポンプに適用した場
合の一実施例を示す断面図、第２図および第３図
はそれぞれ第１図における後部軸受および前部軸
受の近傍を拡大して示す詳細図、第４図ａ，ｂは
それぞれ各磁気センサから出力されるパルス信号
およびその平均値を示すグラフ、第５図ａ，ｂは
それぞれ回転軸の正回転および逆回転時における
各パルスの発生位相を説明するグラフ、第６図は
各監視部位に対する検出表示回路、第７図は本考
案に係る磁気センサによる軸受摩耗監視装置の別
の実施例の要部断面図である。 １０……ポンプ部、１２……モータ部、１４…
…回転軸、１６，１８……端板、２０……キヤン
、２２，２４……スリーブ、２６……後部軸受、
２８……前部軸受、３０，３２，３８……永久磁
石、３４，３６，４０……磁気センサ、３４ａ，
３６ａ，４０ａ……リード線、３４ｂ，３６ｂ，
４０ｂ……パルス信号、４２……エンドナツト、
４４……検出部、４６……フレーム、６６……パ
ルス計数表示回路、７４……回転方向検出表示回
路、８０……強磁性材。 FIG. 1 is a sectional view showing an embodiment of the bearing wear monitoring device using a magnetic sensor according to the present invention applied to a canned motor pump, and FIGS. 2 and 3 are the rear bearing and front bearing shown in FIG. Figures 4a and 4b are graphs showing the pulse signals output from each magnetic sensor and their average values, and Figures 5a and b are graphs showing normal rotation of the rotating shaft. and a graph explaining the generation phase of each pulse during reverse rotation, FIG. 6 is a detection display circuit for each monitored part, and FIG. 7 is a main part of another embodiment of the bearing wear monitoring device using a magnetic sensor according to the present invention. FIG. 10...Pump section, 12...Motor section, 14...
... Rotating shaft, 16, 18 ... End plate, 20 ... Can, 22, 24 ... Sleeve, 26 ... Rear bearing,
28... Front bearing, 30, 32, 38... Permanent magnet, 34, 36, 40... Magnetic sensor, 34a,
36a, 40a...Lead wire, 34b, 36b,
40b...pulse signal, 42...end nut,
44...Detection unit, 46...Frame, 66...Pulse count display circuit, 74...Rotation direction detection display circuit, 80...Ferromagnetic material.

Claims (1)

【実用新案登録請求の範囲】 (1) 滑り軸受で支承される回転軸にその一部軸
周面に対して軸直角方向一様な磁場を有しかつ軸
方向長手の永久磁石を設けると共に軸端面に対し
て軸方向一様な磁場を有する永久磁石を設け、さ
らに前記各永久磁石に対応してその近傍に磁気セ
ンサを配置してなる磁気センサによる軸受摩耗監
視装置。 (2) 永久磁石および磁気センサの周りを強磁性
材で構成してなる請求項１記載の磁気センサによ
る軸受摩耗監視装置。[Claims for Utility Model Registration] (1) A part of the rotating shaft supported by a sliding bearing is provided with a permanent magnet having a uniform magnetic field perpendicular to the axis and elongated in the axial direction. A bearing wear monitoring device using a magnetic sensor, comprising: a permanent magnet having a uniform magnetic field in the axial direction with respect to an end face; and a magnetic sensor disposed in the vicinity of each permanent magnet. (2) A bearing wear monitoring device using a magnetic sensor according to claim 1, wherein the permanent magnet and the magnetic sensor are surrounded by a ferromagnetic material.
JP1990130321U 1990-11-30 1990-11-30 Expired - Lifetime JPH0547293Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990130321U JPH0547293Y2 (en) 1990-11-30 1990-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990130321U JPH0547293Y2 (en) 1990-11-30 1990-11-30

Publications (2)

Publication Number Publication Date
JPH0487016U true JPH0487016U (en) 1992-07-29
JPH0547293Y2 JPH0547293Y2 (en) 1993-12-13

Family

ID=31877674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990130321U Expired - Lifetime JPH0547293Y2 (en) 1990-11-30 1990-11-30

Country Status (1)

Country Link
JP (1) JPH0547293Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001231217A (en) * 2000-02-14 2001-08-24 Teikoku Electric Mfg Co Ltd Axial direction bearing wear detecting device of a canned motor

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037458A (en) * 1973-08-04 1975-04-08
JPS5054903A (en) * 1973-09-14 1975-05-14
JPS5056153U (en) * 1973-09-22 1975-05-27
JPS5056154U (en) * 1973-09-22 1975-05-27
JPS5116085A (en) * 1974-07-30 1976-02-09 Nikkiso Co Ltd Bearingumamo oyobi kaitenshijikukaitenhokokenchisochi
JPS5432801U (en) * 1977-08-10 1979-03-03
JPS5721924A (en) * 1980-07-15 1982-02-04 Hiroshi Nagato Emulsifier
JPS5854580A (en) * 1981-09-29 1983-03-31 株式会社日立ホームテック High frequency heater
JPS6321396A (en) * 1986-07-14 1988-01-28 Nikkiso Co Ltd Bearing monitoring system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037458A (en) * 1973-08-04 1975-04-08
JPS5054903A (en) * 1973-09-14 1975-05-14
JPS5056153U (en) * 1973-09-22 1975-05-27
JPS5056154U (en) * 1973-09-22 1975-05-27
JPS5116085A (en) * 1974-07-30 1976-02-09 Nikkiso Co Ltd Bearingumamo oyobi kaitenshijikukaitenhokokenchisochi
JPS5432801U (en) * 1977-08-10 1979-03-03
JPS5721924A (en) * 1980-07-15 1982-02-04 Hiroshi Nagato Emulsifier
JPS5854580A (en) * 1981-09-29 1983-03-31 株式会社日立ホームテック High frequency heater
JPS6321396A (en) * 1986-07-14 1988-01-28 Nikkiso Co Ltd Bearing monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001231217A (en) * 2000-02-14 2001-08-24 Teikoku Electric Mfg Co Ltd Axial direction bearing wear detecting device of a canned motor

Also Published As

Publication number Publication date
JPH0547293Y2 (en) 1993-12-13

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