JP2021107050A - 旋動式破砕機及び旋動式破砕機の軸受異常検出方法 - Google Patents
旋動式破砕機及び旋動式破砕機の軸受異常検出方法 Download PDFInfo
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- JP2021107050A JP2021107050A JP2019238826A JP2019238826A JP2021107050A JP 2021107050 A JP2021107050 A JP 2021107050A JP 2019238826 A JP2019238826 A JP 2019238826A JP 2019238826 A JP2019238826 A JP 2019238826A JP 2021107050 A JP2021107050 A JP 2021107050A
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- Prior art keywords
- spindle
- rotation
- bearing
- rotation speed
- rotary crusher
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- 230000005856 abnormality Effects 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims description 16
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- 230000002093 peripheral effect Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
-
- 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/02—Sliding-contact bearings
- F16C23/04—Sliding-contact bearings self-adjusting
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Flexible Shafts (AREA)
Abstract
Description
7 偏心スリーブ(旋回部材)
11 フレーム
14 スパイダ
15 軸受
33 ロータリエンコーダ(センサ)
35 フレキシブルシャフト
100 旋動式破砕機
S 破砕室
Claims (7)
- 軸線を中心として自転可能に支持された主軸と、
回転することで前記主軸の軸線を旋回させる旋回部材と、
を備え、
前記旋回部材の回転による前記主軸の運動によって破砕対象物を破砕する旋動式破砕機であって、
前記主軸の自転の回転数を検出するセンサを備え、
無負荷状態で前記旋回部材を所定の回転数で回転させた場合の前記主軸の自転の回転数に基づいて、軸受の異常の可能性が検知されることを特徴とする旋動式破砕機。 - 請求項1に記載の旋動式破砕機であって、
前記センサは、前記主軸の上面の回転を検出することで当該主軸の自転の回転数を検出することを特徴とする旋動式破砕機。 - 請求項2に記載の旋動式破砕機であって、
フレキシブルシャフトを備え、
前記センサはロータリエンコーダであり、
前記フレキシブルシャフトは、前記主軸の上面と、前記ロータリエンコーダの検出軸と、を連結することを特徴とする旋動式破砕機。 - 請求項1から3までの何れか一項に記載の旋動式破砕機であって、
前記主軸の上端部を内部に収容可能な第1中空部材と、
前記第1中空部材の上側に固定される第2中空部材と、
を備え、
前記第1中空部材の内部空間が、前記第2中空部材の内部空間と接続していることを特徴とする旋動式破砕機。 - 請求項1から4までの何れか一項に記載の旋動式破砕機であって、
前記主軸の上端部を回転可能に支持するスパイダを備え、
前記センサが前記スパイダに配置されていることを特徴とする旋動式破砕機。 - 軸線を中心として自転可能に支持された主軸と、
回転することで前記主軸の軸線を旋回させる旋回部材と、
を備え、
前記旋回部材の回転による前記主軸の運動によって破砕対象物を破砕する旋動式破砕機における、前記主軸を支持する軸受の異常の可能性を検知する軸受異常検出方法であって、
無負荷状態で前記旋回部材を所定の回転数で回転させた場合の前記主軸の自転の回転数をセンサによって検出することを特徴とする旋動式破砕機の軸受異常検出方法。 - 請求項6に記載の旋動式破砕機の軸受異常検出方法であって、
無負荷状態で前記旋回部材を所定の基準回転数で回転させた場合に前記センサにより得られた前記主軸の自転の回転数が、
正常な状態かつ無負荷状態で前記旋回部材を前記基準回転数で回転させた場合に前記センサにより予め得られた前記主軸の自転の回転数に基づく閾値回転数よりも、
大きい場合に、前記軸受の異常の可能性があると判断することを特徴とする旋動式破砕機の軸受異常検出方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019238826A JP7246835B2 (ja) | 2019-12-27 | 2019-12-27 | 旋動式破砕機及び旋動式破砕機の軸受異常検出方法 |
PCT/JP2020/049044 WO2021132702A1 (ja) | 2019-12-27 | 2020-12-25 | 旋動式破砕機及び旋動式破砕機の軸受異常検出方法 |
AU2020410580A AU2020410580B2 (en) | 2019-12-27 | 2020-12-25 | Gyratory crusher and method for detecting bearing failure thereof |
ZA2022/08338A ZA202208338B (en) | 2019-12-27 | 2022-07-26 | Rotary crushing machine, and bearing abnormality detecting method for rotary crushing machine |
Applications Claiming Priority (1)
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---|---|---|---|
JP2019238826A JP7246835B2 (ja) | 2019-12-27 | 2019-12-27 | 旋動式破砕機及び旋動式破砕機の軸受異常検出方法 |
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Publication Number | Publication Date |
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JP2021107050A true JP2021107050A (ja) | 2021-07-29 |
JP7246835B2 JP7246835B2 (ja) | 2023-03-28 |
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JP2019238826A Active JP7246835B2 (ja) | 2019-12-27 | 2019-12-27 | 旋動式破砕機及び旋動式破砕機の軸受異常検出方法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP7246835B2 (ja) |
AU (1) | AU2020410580B2 (ja) |
WO (1) | WO2021132702A1 (ja) |
ZA (1) | ZA202208338B (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240188A (en) * | 1975-09-26 | 1977-03-28 | Toshiba Corp | Device for detecting damages of bearings |
JPS52138466U (ja) * | 1976-04-13 | 1977-10-20 | ||
JPH08131854A (ja) * | 1994-11-07 | 1996-05-28 | Kobe Steel Ltd | 旋動破砕機 |
JP2003299973A (ja) * | 2002-04-08 | 2003-10-21 | Kurimoto Ltd | コンクリート塊の摩砕装置 |
JP2004519325A (ja) * | 2001-03-23 | 2004-07-02 | メッツオ ミネラルズ (タンペレ) オサケイシテヨ | 破砕機の軸受状態を監視する方法及びその破砕機 |
JP2018040456A (ja) * | 2016-09-08 | 2018-03-15 | オークマ株式会社 | 回転軸装置及び回転軸装置における軸受の異常診断方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS467215B1 (ja) * | 1967-01-24 | 1971-02-23 |
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2019
- 2019-12-27 JP JP2019238826A patent/JP7246835B2/ja active Active
-
2020
- 2020-12-25 AU AU2020410580A patent/AU2020410580B2/en active Active
- 2020-12-25 WO PCT/JP2020/049044 patent/WO2021132702A1/ja active Application Filing
-
2022
- 2022-07-26 ZA ZA2022/08338A patent/ZA202208338B/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240188A (en) * | 1975-09-26 | 1977-03-28 | Toshiba Corp | Device for detecting damages of bearings |
JPS52138466U (ja) * | 1976-04-13 | 1977-10-20 | ||
JPH08131854A (ja) * | 1994-11-07 | 1996-05-28 | Kobe Steel Ltd | 旋動破砕機 |
JP2004519325A (ja) * | 2001-03-23 | 2004-07-02 | メッツオ ミネラルズ (タンペレ) オサケイシテヨ | 破砕機の軸受状態を監視する方法及びその破砕機 |
JP2003299973A (ja) * | 2002-04-08 | 2003-10-21 | Kurimoto Ltd | コンクリート塊の摩砕装置 |
JP2018040456A (ja) * | 2016-09-08 | 2018-03-15 | オークマ株式会社 | 回転軸装置及び回転軸装置における軸受の異常診断方法 |
Also Published As
Publication number | Publication date |
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AU2020410580B2 (en) | 2024-06-13 |
AU2020410580A1 (en) | 2022-08-18 |
WO2021132702A1 (ja) | 2021-07-01 |
JP7246835B2 (ja) | 2023-03-28 |
ZA202208338B (en) | 2023-11-29 |
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