JPS62196254U - - Google Patents
Info
- Publication number
- JPS62196254U JPS62196254U JP1986082448U JP8244886U JPS62196254U JP S62196254 U JPS62196254 U JP S62196254U JP 1986082448 U JP1986082448 U JP 1986082448U JP 8244886 U JP8244886 U JP 8244886U JP S62196254 U JPS62196254 U JP S62196254U
- Authority
- JP
- Japan
- Prior art keywords
- grooves
- seal
- fitted
- peripheral surface
- seal structure
- 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
- 238000010276 construction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Jib Cranes (AREA)
Description
第１図は本考案の建設機械における旋回軸受の
シール構造の一実施例を示す断面図、第２図は第
１図のシールのみによる作用状態を示す断面図、
第３図は一般的な油圧シヨベルを示す側面図、第
４図は従来の建設機械における旋回軸受のシール
構造を示す断面図、第５図は第４図のＡ部拡大図
である。
３……旋回軸受、１３……外輪、１６……内輪
、２２……溝、２７……リツプ部、２８……シー
ル、２９，３０……逃げ溝。
FIG. 1 is a sectional view showing an embodiment of the seal structure of a swing bearing in a construction machine of the present invention, and FIG. 2 is a sectional view showing an operating state only by the seal of FIG. 1.
3 is a side view showing a general hydraulic excavator, FIG. 4 is a sectional view showing a seal structure of a swing bearing in a conventional construction machine, and FIG. 5 is an enlarged view of section A in FIG. 4. 3... Swivel bearing, 13... Outer ring, 16... Inner ring, 22... Groove, 27... Lip portion, 28... Seal, 29, 30... Relief groove.
Claims (1)
面側に溝を形成し、その溝にシールを嵌め込ませ
た建設機械における旋回軸受のシール構造におい
て、前記シールの前記溝へ嵌め込ませた部分の上
面部もしくは下面部のうちの少なくとも一方に、
リツプ部からシール全体にかかるモーメントを吸
収させる逃げ溝を形成させたことを特徴とする建
設機械における旋回軸受のシール構造。 In a seal structure for a swing bearing in a construction machine, in which grooves are formed on the outer peripheral surface of an inner ring and on the inner peripheral surface of an outer ring of the swing bearing, and seals are fitted into the grooves, a portion of the seal is fitted into the grooves. On at least one of the upper surface part or the lower surface part of
A seal structure for a slewing bearing for construction machinery, characterized by forming a relief groove that absorbs the moment applied from the lip portion to the entire seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986082448U JPS62196254U (en) | 1986-06-02 | 1986-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986082448U JPS62196254U (en) | 1986-06-02 | 1986-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62196254U true JPS62196254U (en) | 1987-12-14 |
Family
ID=30935115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986082448U Pending JPS62196254U (en) | 1986-06-02 | 1986-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62196254U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004278738A (en) * | 2003-03-18 | 2004-10-07 | Koyo Seiko Co Ltd | Bearing unit |
| JP2012159114A (en) * | 2011-01-31 | 2012-08-23 | Ntn Corp | Sealing structure for turning bearing |
| KR101321737B1 (en) * | 2012-09-25 | 2013-10-28 | 주식회사 신라정밀 | Slewing bearing and a seal for use in the same |
-
1986
- 1986-06-02 JP JP1986082448U patent/JPS62196254U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004278738A (en) * | 2003-03-18 | 2004-10-07 | Koyo Seiko Co Ltd | Bearing unit |
| JP2012159114A (en) * | 2011-01-31 | 2012-08-23 | Ntn Corp | Sealing structure for turning bearing |
| KR101321737B1 (en) * | 2012-09-25 | 2013-10-28 | 주식회사 신라정밀 | Slewing bearing and a seal for use in the same |
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