JPH03163214A - Bearing device - Google Patents
Bearing deviceInfo
- Publication number
- JPH03163214A JPH03163214A JP1297532A JP29753289A JPH03163214A JP H03163214 A JPH03163214 A JP H03163214A JP 1297532 A JP1297532 A JP 1297532A JP 29753289 A JP29753289 A JP 29753289A JP H03163214 A JPH03163214 A JP H03163214A
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- conical
- detection sensor
- temperature detection
- journal
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000002159 abnormal effect Effects 0.000 abstract description 12
- 230000005856 abnormality Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
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
- 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
- F16C17/246—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 related to wear, e.g. sensors for measuring wear
-
- 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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/525—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to temperature and heat, e.g. insulation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的］
（産業上の利用分野）
この発明は、回転軸又は摺動軸を受ける軸受装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a bearing device for receiving a rotating shaft or a sliding shaft.
（従来の技術）
加工機械を含め産業機械では、回転軸の支持、摺動軸の
支持に、ジャーナル、二一ドル、ボールといった各種タ
イプの軸受が用いられている。(Prior Art) In industrial machines including processing machines, various types of bearings such as journals, bearings, and ball bearings are used to support rotating shafts and sliding shafts.
ところで、こうした軸受装置は、可動部（軸側）と固定
部（軸受側）をもつので、軸受部に磨耗が生じやすい。By the way, since such a bearing device has a movable part (shaft side) and a fixed part (bearing side), the bearing part is likely to wear out.
この磨耗は、ジャーナルが溶ける（ジャーナル軸受の場
合）、ボールや二一ドルがｔｉｔ ｍする（ボールベア
リング、二一ドルベアリングの場合）といったトラブル
を起こし、焼付け等の事故を発生させてしまう不具合を
もたらす。This wear can cause problems such as melting of the journal (in the case of journal bearings), tightness of the ball or 21 dollar (in the case of ball bearings and 21 dollar bearings), and problems that can cause accidents such as seizure. bring.
こうした磨耗により生じる事故を最少限にするよう、従
来では、潤滑剤、潤滑油を摺動部に使用したり、各種ベ
アリングを組合わせて使用して磨耗を最少限に抑制した
りなどして、軸受部の焼付け等の事故を防ぐことが行わ
れている。In order to minimize accidents caused by such wear, conventional methods have been to use lubricants and oils on sliding parts, and to use various types of bearings in combination to minimize wear. Measures are being taken to prevent accidents such as seizure of bearings.
しかし、このようにしても不具合は生じるおそれがある
。例えば精密加工の分野では、軸受部の潤滑に不具合が
生じると、加工機械の動作が円滑性が損なわれ、加工精
度に影響を及ぼしてしまう。However, even if this is done, problems may occur. For example, in the field of precision machining, if a problem occurs in the lubrication of a bearing, the smoothness of the operation of the machining machine will be impaired, which will affect the machining accuracy.
そこで、上記の不具合の予防策として、従来、入力側と
出力側との温度差を検知して軸受部の異状な状態を検出
するＡＥ技術、磨耗するときに生じる音から軸受部の異
状な状態を検出する音響分析技術を用いて、軸受部の異
状発生を早期に検出するようにしたものが提案されてい
る。Therefore, as a preventive measure against the above-mentioned problems, conventional AE technology detects the abnormal condition of the bearing by detecting the temperature difference between the input side and the output side. A system has been proposed that uses acoustic analysis technology to detect abnormalities in bearings at an early stage.
（発明が解決しようとする課題）
ところが、こうした予防保全技術はコンピューター等の
解析手段を用いなければならないので、かなり高価であ
る不具合をもっている。(Problem to be Solved by the Invention) However, since these preventive maintenance techniques require the use of analysis means such as computers, they have the drawback of being quite expensive.
この発明はこのような事情に着目してなされたもので、
その目的とするところは、安価なコスト、簡単な構造で
軸受部の異状な状態を素早く検出することができる軸受
装置を提供することにある。This invention was made with attention to these circumstances,
The purpose is to provide a bearing device that can quickly detect abnormal conditions in the bearing portion at low cost and with a simple structure.
［発明の構成］
（課題を解決するための手段）
の内部に、軸受の軸支持面に近くに位置して温度検出セ
ンサーを設けたことにある。[Structure of the Invention] (Means for Solving the Problems) A temperature detection sensor is provided inside the bearing near the shaft support surface of the bearing.
（作用）
この発明の軸受装置によると、外部から隔離された軸受
の袖支持面の近くに温度検出センサーがあるので、例え
ば滑り軸受においてジャーナルが磨耗したり、ボールベ
アリングにおいてボールが破壊されて磨耗したりすると
、上記温度検出センサーにて磨耗で起きた発熱の瞬間を
捕らえて、その異状な状態を検出することになる。(Function) According to the bearing device of the present invention, since the temperature detection sensor is located near the sleeve support surface of the bearing isolated from the outside, the journal may be worn out in a sliding bearing, or the balls may be broken and worn out in a ball bearing, for example. In this case, the temperature detection sensor detects the moment of heat generation caused by wear and detects the abnormal state.
しかるに、温度検出センサーを組込むといった簡単、安
価なコストで、軸受部の異状な状態を検出できるように
なる。However, by simply incorporating a temperature detection sensor, it is possible to detect abnormal conditions in the bearing at a low cost.
（実施例）
以下、この発明を第１図および第２図に示す第１の実施
例にもとづいて説明する。第１図はこの発明を適用した
滑り軸受装置の一例を示し、１は回転軸、２はその回転
軸１の一部分に形威された円錐部である。上記円錐部２
の周囲には円錐ジャーナル３（ｆｉｌｌ受に相当）が設
けられている。そして、この円錐ジャーナル３は所定の
据付部位に据え付けた軸受固定具４（軸受支持部材に相
当）に支持され、上記円錐ジャーナル３で回転軸１を回
転自在に支持している。また上記円錐ジャーナル３の内
部には、例えば側部壁３ａの外面から摺動面の幅方向中
央となる軸受壁３ｂ部分に渡って穴部６が設けられてい
る。この穴部６の先端部となる円錐ジャーナル３の摺動
面の中央に至る部分には、温度検出センサー５が設けら
れ、磨耗による発熱を検出できるようにしている。なお
、この温度検出センサー５につながるリード線５ａは、
穴部６から外部に導出している。そして、このリード線
５ａの端部は、例えば上記回転軸１を駆動する駆動源の
電源制御部に接続、あるいは報知器に通電制御部（いず
れも図示しない）を介して接続されていて、温度検出セ
ンサー５から異状温度上昇を示す信号が通電制御に出力
されることにより、駆動源の運転を停止したり、異状が
発生したことを報知したりできるようにしている。(Example) The present invention will be described below based on a first example shown in FIGS. 1 and 2. FIG. 1 shows an example of a sliding bearing device to which the present invention is applied, in which 1 is a rotating shaft, and 2 is a conical portion shaped as a part of the rotating shaft 1. FIG. The above conical part 2
A conical journal 3 (corresponding to a fill holder) is provided around the . The conical journal 3 is supported by a bearing fixture 4 (corresponding to a bearing support member) installed at a predetermined installation location, and the rotary shaft 1 is rotatably supported by the conical journal 3. Further, inside the conical journal 3, a hole 6 is provided, for example, extending from the outer surface of the side wall 3a to a portion of the bearing wall 3b that is the widthwise center of the sliding surface. A temperature detection sensor 5 is provided at the tip of the hole 6 that reaches the center of the sliding surface of the conical journal 3 to detect heat generated by wear. Note that the lead wire 5a connected to this temperature detection sensor 5 is
It is led out from the hole 6. The end of this lead wire 5a is connected, for example, to a power supply control section of a drive source that drives the rotating shaft 1, or to an alarm via an energization control section (none of which is shown). By outputting a signal indicating an abnormal temperature rise from the detection sensor 5 to the energization control, it is possible to stop the operation of the drive source or to notify that an abnormality has occurred.
つぎに、このように構成された軸受装置の作用について
説明する。駆動源等により回転される回転軸１は、円錐
ジャーナル３で軸受されていく。Next, the operation of the bearing device configured as described above will be explained. A rotating shaft 1 rotated by a drive source or the like is supported by a conical journal 3.
このように円滑に支持されているときは、温度検出セン
サー５からは低い温度を示す温度信号が出力されていく
。When it is supported smoothly in this way, the temperature detection sensor 5 outputs a temperature signal indicating a low temperature.
ここで、軸受中、潤滑等の不都合などが生じると、円錐
部２と円錐ジャーナル３との間に磨耗が発生する。これ
により、発熱が生じていく。そして、この磨耗にしたが
って、当該軸受部の温度が上昇していく。Here, if problems such as lubrication occur during the bearing, wear will occur between the conical portion 2 and the conical journal 3. This causes heat generation. As the wear progresses, the temperature of the bearing increases.
ここで、温度検出センサー５は外部から隔離された円錐
ジャーナル３の内部にあるから、この温度検出センサー
５にて、その発熱が起きた瞬間を素早く捕らえていく。Here, since the temperature detection sensor 5 is located inside the conical journal 3 isolated from the outside, the temperature detection sensor 5 quickly detects the moment when heat generation occurs.
つまり、温度検出センサー５から、回転面の異状温度上
昇を示す信号が速やかに出力されていく。In other words, the temperature detection sensor 5 rapidly outputs a signal indicating an abnormal temperature rise on the rotating surface.
かくして、この信号にしたがって駆動部を止めて交換な
どの作業を施せば、早期検出により、軸受破壊が防げる
ことになる。実験によれば、軸受固定具４の外部に露出
する面に温度検出センサー５を設けた場合、第２図中の
符号Ｂの一点鎖線で示されるように軸受部の磨耗が相当
に進まなければ異状状態が検出できなかったが、本実施
例のように円錐ジャーナル３に温度検出センサー５を埋
込んだときは、第２図中の符号Ａで示す実線で示される
ように磨耗が生じて発熱した瞬間が検知されるので、か
なり早期の異状状態の検出ができるものであった。Thus, if the drive unit is stopped in accordance with this signal and work such as replacement is performed, bearing damage can be prevented by early detection. According to experiments, when the temperature detection sensor 5 is provided on the surface exposed to the outside of the bearing fixture 4, as shown by the dashed-dotted line with symbol B in FIG. Although no abnormal condition could be detected, when the temperature detection sensor 5 is embedded in the conical journal 3 as in this embodiment, wear occurs and heat is generated as shown by the solid line indicated by the symbol A in FIG. Since the detection is performed at the moment of occurrence, abnormal conditions can be detected at a fairly early stage.
それ故、予防保全の効果は高い。しかも、こうした高い
性能は温度検出センサー５をジャーナル３内に設けるだ
けでよいから、構造も簡単で、コストも安価ですむ。Therefore, preventive maintenance is highly effective. Furthermore, such high performance can be achieved by simply providing the temperature detection sensor 5 within the journal 3, so the structure is simple and the cost is low.
なお、上記第１の実施例では滑り軸受装置にこの発明を
適用したが、これに限らず、ボール軸受にも適用しても
よい。この一例が第３図に第２の実施例として示されて
いる。In the first embodiment, the present invention is applied to a sliding bearing device, but the present invention is not limited thereto, and may be applied to a ball bearing. An example of this is shown in FIG. 3 as a second embodiment.
第３図について説明すれば、１０は回転軸１に嵌挿され
た、各ボール１１，外輪１２，内輪１３から構成された
極小のボール軸受、１４はそのボール軸受１０の外輪１
２に固定された軸受固定部材である。Referring to FIG. 3, reference numeral 10 indicates an extremely small ball bearing that is fitted into the rotating shaft 1 and is composed of balls 11, an outer ring 12, and an inner ring 13, and 14 indicates an outer ring 1 of the ball bearing 10.
This is a bearing fixing member fixed to 2.
ここで、ボール軸受自身には設けられないので、上記軸
受固定部材１０の内部に、当該軸支持面に近くに位置し
て、温度検出センサー５を設けた構造となっている。詳
しくは、外輪１２の軸受固定部材１０の側部と外輪１２
の外周端の厚み方向中央部分とに渡り貫通孔１５を設け
、この貫通孔１５の先端部内に一部を外輪１２に接触さ
せて温度検出センサー５を設けている。そして、貫通孔
１４の後端部から温度検出センサー５のリード線５ａを
導出させている。Here, since the temperature detection sensor 5 is not provided on the ball bearing itself, the temperature detection sensor 5 is provided inside the bearing fixing member 10, close to the shaft support surface. Specifically, the side part of the bearing fixing member 10 of the outer ring 12 and the outer ring 12
A through hole 15 is provided across the outer circumferential end and the central portion in the thickness direction, and a temperature detection sensor 5 is provided within the tip of the through hole 15 with a portion thereof in contact with the outer ring 12. The lead wire 5a of the temperature detection sensor 5 is led out from the rear end of the through hole 14.
このような構造でも、上記実施例と同様、摺動面におけ
る異状温度を速やか（早期）に検出することができる。Even with such a structure, abnormal temperatures on the sliding surface can be quickly (early) detected as in the above embodiment.
実験によれば、第２図中の符号Ｃで示される二点鎖線の
ように上記ジャーナル内に設けた第１の実施例のときよ
りは応答性がよくないものの、かなり早期の検出ができ
るものであった。但し、第２図中の符号Ｃで示す線図は
ボール軸受のボール１１の一部が破損を検出する場合を
示している。According to experiments, although the responsiveness is not as good as that of the first embodiment provided in the journal, as shown by the two-dot chain line indicated by the symbol C in FIG. Met. However, the diagram indicated by the symbol C in FIG. 2 shows a case where damage is detected in some of the balls 11 of the ball bearing.
なお、この軸受固定部材１０に温度検出センサー５を埋
設する構造を、上記第１の実施例に適用してもよい。Note that this structure in which the temperature detection sensor 5 is embedded in the bearing fixing member 10 may be applied to the first embodiment.
また、上述した第１および第２の実施例共、１つの温度
検出センサーを埋設した構造を挙げたが、むろん温度検
出センサーは複数個でもよいことはいうまでもない。Further, in both the first and second embodiments described above, a structure in which one temperature detection sensor is embedded is described, but it goes without saying that a plurality of temperature detection sensors may be used.
また、上記以外のタイプの軸受装置、例えば二ドルベア
リング、ブレーンベアリング等の各種軸受装置にも、こ
の発明を適用してもよい。また回転方向でなく、例えば
スライドような一方向に沿って移動するような摺動軸を
もつ軸受装置にこの発明を適用してもよい。Further, the present invention may also be applied to various types of bearing devices other than those described above, such as double bearings, brane bearings, and the like. Further, the present invention may be applied to a bearing device having a sliding shaft that moves along one direction, such as sliding, instead of the rotational direction.
［発明の効果コ
以上説明したようにこの発明によれば、安価なコスト、
簡単な構造で軸受部の異状な状態を素早く検出すること
ができる。[Effects of the invention] As explained above, according to this invention, the cost is low,
With a simple structure, abnormal conditions in the bearing can be quickly detected.
【図面の簡単な説明】
第１図および第２図はこの発明の第１の実施例を示し、
第１図はこの発明を適用した滑り軸受装置を示す断面図
、第２図は温度検出センサーの検出特性を示す線図、第
３図はこの発明の第２の実施例の要部であるこの発明を
適用したボール軸受装置を示す断面図である。[BRIEF DESCRIPTION OF THE DRAWINGS] FIGS. 1 and 2 show a first embodiment of the present invention,
Fig. 1 is a sectional view showing a sliding bearing device to which the present invention is applied, Fig. 2 is a diagram showing the detection characteristics of a temperature detection sensor, and Fig. 3 is a diagram showing the main part of a second embodiment of the present invention. FIG. 1 is a sectional view showing a ball bearing device to which the invention is applied.
Claims (1)
る軸受支持部材と、前記軸受又は前記軸受支持部材の内
部に前記軸受の軸支持面に近くに位置して設けられた温
度検出センサーとを具備してなることを特徴とする軸受
装置。A bearing that supports a rotating shaft or a sliding shaft, a bearing support member that supports this bearing, and a temperature detection sensor that is provided inside the bearing or the bearing support member and located close to the shaft support surface of the bearing. A bearing device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1297532A JPH03163214A (en) | 1989-11-17 | 1989-11-17 | Bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1297532A JPH03163214A (en) | 1989-11-17 | 1989-11-17 | Bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03163214A true JPH03163214A (en) | 1991-07-15 |
Family
ID=17847753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1297532A Pending JPH03163214A (en) | 1989-11-17 | 1989-11-17 | Bearing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03163214A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0542749U (en) * | 1991-11-05 | 1993-06-11 | 光洋精工株式会社 | Rolling bearing operating condition monitoring device |
| JP2002144177A (en) * | 2000-11-06 | 2002-05-21 | Mori Seiki Co Ltd | Spindle device for machine tool |
| JP2008223818A (en) * | 2007-03-09 | 2008-09-25 | Somic Ishikawa Inc | Ball joint |
| WO2010046976A1 (en) * | 2008-10-22 | 2010-04-29 | 株式会社前川製作所 | Refueling screw compressor |
| WO2019012116A1 (en) * | 2017-07-14 | 2019-01-17 | Krones Ag | Device for treating a container in a fill-product filling plant |
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|---|---|---|---|---|
| JPS6015649B2 (en) * | 1974-04-03 | 1985-04-20 | インペリヤル ケミカル インダストリ−ズ リミテツド | Polyisocyanate composition |
| JPS6131324A (en) * | 1984-07-23 | 1986-02-13 | Furukawa Electric Co Ltd:The | Production of base material for optical fiber |
| JPS6140966U (en) * | 1984-08-21 | 1986-03-15 | 清松 謝 | Rear seat cover device |
-
1989
- 1989-11-17 JP JP1297532A patent/JPH03163214A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015649B2 (en) * | 1974-04-03 | 1985-04-20 | インペリヤル ケミカル インダストリ−ズ リミテツド | Polyisocyanate composition |
| JPS6131324A (en) * | 1984-07-23 | 1986-02-13 | Furukawa Electric Co Ltd:The | Production of base material for optical fiber |
| JPS6140966U (en) * | 1984-08-21 | 1986-03-15 | 清松 謝 | Rear seat cover device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0542749U (en) * | 1991-11-05 | 1993-06-11 | 光洋精工株式会社 | Rolling bearing operating condition monitoring device |
| JP2002144177A (en) * | 2000-11-06 | 2002-05-21 | Mori Seiki Co Ltd | Spindle device for machine tool |
| JP2008223818A (en) * | 2007-03-09 | 2008-09-25 | Somic Ishikawa Inc | Ball joint |
| WO2010046976A1 (en) * | 2008-10-22 | 2010-04-29 | 株式会社前川製作所 | Refueling screw compressor |
| JP5426565B2 (en) * | 2008-10-22 | 2014-02-26 | 株式会社前川製作所 | Lubricated screw compressor |
| US9115714B2 (en) | 2008-10-22 | 2015-08-25 | Mayekawa Mfg. Co., Ltd. | Screw compressor having lubricating oil system |
| WO2019012116A1 (en) * | 2017-07-14 | 2019-01-17 | Krones Ag | Device for treating a container in a fill-product filling plant |
| CN110944933A (en) * | 2017-07-14 | 2020-03-31 | 克罗内斯股份公司 | Device for handling containers in a filling product bottling plant |
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