JPH0144826Y2 - - Google Patents
Info
- Publication number
- JPH0144826Y2 JPH0144826Y2 JP1984025314U JP2531484U JPH0144826Y2 JP H0144826 Y2 JPH0144826 Y2 JP H0144826Y2 JP 1984025314 U JP1984025314 U JP 1984025314U JP 2531484 U JP2531484 U JP 2531484U JP H0144826 Y2 JPH0144826 Y2 JP H0144826Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- wear
- sliding surfaces
- ring spring
- spring
- 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.)
- Expired
Links
Landscapes
- Springs (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は重荷重を支持、緩衝する輪ばねに関す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a ring spring that supports and buffers heavy loads.
この種の輪ばねは限られたスペースで、ばねと
して大きなエネルギを吸収し、しかも相当の減衰
力が要求され、たとえば大容量電流遮断器のステ
ー端部の受けや、鋼片剪断機の上刃の受け等に使
用される。 This type of ring spring is used in a limited space, absorbs a large amount of energy as a spring, and is required to have a considerable damping force. It is used for receiving etc.
通常輪ばねの摺動面、すなわち、内外コイル状
部分の摺接面は、機械仕上げまたは研磨仕上げさ
れているが、荷重が負荷された場合、その構造上
内輪と外輪が互に押し付けられて摺動面の面圧が
極端に大きくなるため、乾燥状態で使用するとは
なはだしい摩耗や焼付きを起こす。したがつて、
輪ばねの使用に際しては、グラフアイトグリース
のような自己潤滑機能を持つ潤滑剤を摺動面に塗
布するのが一般的であつた。
Normally, the sliding surfaces of ring springs, that is, the sliding surfaces of the inner and outer coiled parts, are machined or polished, but due to their structure, when a load is applied, the inner and outer rings are pressed against each other and slide. Since the surface pressure on the moving surfaces becomes extremely large, excessive wear and seizure will occur if used in dry conditions. Therefore,
When using ring springs, it was common to apply a self-lubricating lubricant such as graphite grease to the sliding surfaces.
しかしながら、使用前に潤滑剤を塗布するだけ
では、長期にわたる使用に際して安定した潤滑効
果を維持することは困難であり、部分的に油切れ
を起こした箇所にて摩耗したり、焼付きを生じた
りする。また、新たな潤滑剤を供給することも、
摺動面が高面圧であるがゆえに、非常に困難であ
る。予圧縮された状態で使用する際には、上記の
問題はさらに大きくなる。 However, simply applying lubricant before use makes it difficult to maintain a stable lubrication effect over long periods of use, and may cause wear or seizure in areas where the oil is partially depleted. do. Also, supplying new lubricants
This is extremely difficult due to the high surface pressure on the sliding surfaces. When used in a pre-compressed state, the above problems become even more serious.
なお、従来、金属素材に他の金属を溶射肉盛
し、耐摩耗、耐食、耐熱性を高めることは種々行
なわれている（例えば特公昭42−23803号公報、
特公昭46−22571号公報）が、輪ばねに適用した
例はない。 In the past, various methods have been used to thermal spray overlay metal materials with other metals to improve wear resistance, corrosion resistance, and heat resistance (for example, Japanese Patent Publication No. 42-23803,
(Japanese Patent Publication No. 46-22571) has not been applied to ring springs.
本考案は、摩耗や焼付きを生じにくい、摺動面
の耐摩耗性及び潤滑特性に優れた、長寿命の信頼
性が高い輪ばねを提供することを目的とする。
The object of the present invention is to provide a ring spring that is resistant to wear and seizure, has excellent wear resistance and lubrication properties on sliding surfaces, and has a long life and high reliability.
上記目的を達成するために本考案においては、
輪ばねは内外コイル状部分の摺接面の少なくとも
一方を、耐摩耗材溶射層で被覆したものとする。
In order to achieve the above purpose, in this invention,
In the ring spring, at least one of the sliding surfaces of the inner and outer coiled portions is coated with a sprayed layer of wear-resistant material.
以下図面を参照して本考案の詳細を説明する。
第１図に本考案の一実施例を示す。この実施例に
おいて、通常と同じく、輪ばねはばね鋼で作られ
た外輪１と内輪２の組合せで構成されており、縦
方向の荷重が負荷された場合、外輪１が膨張し、
内輪２が収縮することによつてその荷重を支持し
かつ緩衝する。 The details of the present invention will be explained below with reference to the drawings.
FIG. 1 shows an embodiment of the present invention. In this embodiment, as usual, the ring spring is composed of a combination of an outer ring 1 and an inner ring 2 made of spring steel, and when a longitudinal load is applied, the outer ring 1 expands.
The inner ring 2 supports and buffers the load by contracting.
この実施例では、外輪１の内側摺動面及び内輪
２の外側摺動面、すなわち外輪１と内輪２の接触
する摺動面に、モリブデンやニツケル−クロム合
金等の耐摩耗性金属をプラズマ溶射等により被覆
している。プラズマ溶射は従来のガス溶射に比較
して溶融温度が高く溶射された組繊が非常に微細
なポーラス状となるため、溶射層の接着強度が大
きく剥離しにくいという特徴をもつている。 In this embodiment, a wear-resistant metal such as molybdenum or a nickel-chromium alloy is plasma sprayed on the inner sliding surface of the outer ring 1 and the outer sliding surface of the inner ring 2, that is, on the contacting sliding surfaces of the outer ring 1 and the inner ring 2. It is covered with etc. Compared to conventional gas spraying, plasma spraying has a higher melting temperature and the sprayed fibers become very fine and porous, so the adhesive strength of the sprayed layer is high and it is difficult to peel off.
この溶射層を研磨によつて最終寸法に仕上げ、
ポーラスな溶射組織に潤滑油を含浸させている。 This sprayed layer is polished to the final dimensions,
The porous sprayed structure is impregnated with lubricating oil.
これによれば、摺動面の耐摩耗性及び潤滑特性
が改善され、苛酷な使用条件下に於ける輪ばねの
耐久性及び信頼性が向上する。 According to this, the wear resistance and lubrication characteristics of the sliding surface are improved, and the durability and reliability of the ring spring under severe usage conditions are improved.
以上の通りであるので、本考案の輪ばねは従来
のものと比較して次の通りの利点がある。
As described above, the ring spring of the present invention has the following advantages compared to the conventional one.
(1) 摺動面が耐摩耗性溶射層であるので、長期使
用に際しても耐摩耗性に優れている。(1) Since the sliding surface is coated with a wear-resistant sprayed layer, it has excellent wear resistance even during long-term use.
(2) ポーラスな溶射層に潤滑油が含浸されている
ので、外部から潤滑剤を補給しなくても長期間
にわたつて良好な潤滑特性を維持する。(2) Since the porous sprayed layer is impregnated with lubricating oil, it maintains good lubrication properties over a long period of time without having to replenish lubricant from the outside.
上記２点は互に影響を及ぼし合つて輪ばねの耐
久性向上に寄与し、長寿命がもたらされる。また
長期間にわたる安定な使用が保証されるので、輪
ばねの信頼性が向上する。 The above two points influence each other and contribute to improving the durability of the ring spring, resulting in a long life. Furthermore, since stable use over a long period of time is guaranteed, the reliability of the ring spring is improved.
第１図は本考案の一実施例を示す斜視図であ
り、一部分は破断して示す。
１：外輪、２：内輪、３：耐摩耗材料溶射層。
FIG. 1 is a perspective view showing an embodiment of the present invention, with a part cut away. 1: Outer ring, 2: Inner ring, 3: Wear-resistant material sprayed layer.
Claims (1)
潤滑油を含浸するプラズマ溶射耐摩耗性金属の被
覆で構成したことを特徴とする輪ばね。 At least one of the sliding surfaces of the inner and outer coiled parts,
A ring spring comprising a plasma sprayed wear-resistant metal coating impregnated with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2531484U JPS60138040U (en) | 1984-02-24 | 1984-02-24 | ring spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2531484U JPS60138040U (en) | 1984-02-24 | 1984-02-24 | ring spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60138040U JPS60138040U (en) | 1985-09-12 |
| JPH0144826Y2 true JPH0144826Y2 (en) | 1989-12-25 |
Family
ID=30520274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2531484U Granted JPS60138040U (en) | 1984-02-24 | 1984-02-24 | ring spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60138040U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008115953A (en) * | 2006-11-06 | 2008-05-22 | Ntn Corp | Chain tensioner |
| CN113700784B (en) * | 2021-09-18 | 2022-12-23 | 常州三众弹性技术有限公司 | Pull-type ring spring and assembly method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4215454Y1 (en) * | 1966-01-18 | 1967-09-05 |
-
1984
- 1984-02-24 JP JP2531484U patent/JPS60138040U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60138040U (en) | 1985-09-12 |
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